GOST R 52204-2004

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  ГОСТ Р 52204-2004

GOST R 52204−2004 Tinplate, cold rolled, black and white. Technical specifications (with Amendment)

GOST R 52204−2004
Group B33

NATIONAL STANDARD OF THE RUSSIAN FEDERATION

TINPLATE, COLD ROLLED, BLACK AND WHITE

Specifications

Cold-rolled tinplate and blackplate W/.
Specifications

OKS 77.140.45
GST 11 1400
11 1500

Date of introduction 2004−09−01

Preface

1 DEVELOPED by FGUP tsniichermet im. I. P. Bardin

SUBMITTED by the Technical Committee for standardization TC 375 «steel Products from ferrous metals and alloys"

2 APPROVED AND put INTO effect by the Resolution of Gosstandart of Russia from January 19, 2004 N 21 St

3 INTRODUCED FOR THE FIRST TIME


AMENDED, published in the IUS N 7, 2004

An amendment made by the manufacturer of the database

1 Scope

This standard applies to cold rolled single and double rolling black and white (electric and hot-dip tinning) tin, used for making tin containers, packaging and other products.

2 Normative references

The present standard features references to the following standards:

GOST 427−75 Rulers measuring metal. Specifications

GOST 860−75 Tin. Specifications

GOST 2789−73 surface Roughness. Parameters and characteristics

GOST 3118−77 hydrochloric Acid. Specifications

GOST 3778−98 Lead. Specifications

GOST 4202−75 Potassium ignominously. Specifications

GOST 4204−77 sulfuric Acid. Specifications

GOST 4206−75 Potassium genesisintermedia. Specifications

GOST 4232−74 Potassium iodide. Specifications

GOST 4328−77 Sodium hydroxide. Specifications

GOST 4530−76 Calcium carbonate. Specifications

GOST 6709−72 distilled Water. Specifications

GOST 7502−98 metallic measuring tape. Specifications

GOST 7566−94 metal Products. Acceptance, marking, packing, transportation and storage

GOST 10163−76 Starch soluble. Specifications

GOST 11098−75 Staples with a reading device. Specifications

GOST 11293−89 Gelatin. Specifications

GOST 11701−84 Metals. Methods tensile tests of thin sheets and strips

GOST 12026−76 laboratory filter Paper. Specifications

GOST 14192−96 Marking of cargo

GOST 15846−2002 Products that are sent to the far North regions and equated areas. Packing, marking, transportation and storage

GOST 18300−87 ethyl rectified technical. Specifications

GOST 19300−86 means of measuring the surface roughness profile method. The profiling-contact profilometers. Types and basic parameters

GOST 23932−90 Glassware and laboratory equipment made of glass. General specifications

GOST 24363−80 Potassium hydroxide. Specifications

GOST 26877−91 metal Products. Methods of measuring form deviations of

GOST 29169−91 (ISO 648−77) oils. Pipette with one mark

GOST 29251−91 (ISO 385−1-84) oils. Burette. Part 1. General requirements

GOST 29252−91 (ISO 385−2-84) oils. Burette. Part 2. Burettes without waiting time

GOST 30415−96 Steel. Non-destructive testing of mechanical properties and microstructure of steel products by magnetic method

3 Terms and definitions

This standard applies the following terms with respective definitions:

3.1 single-sheet rolling mill: Strip of non-alloy low-carbon steel, laminated by the method of cold rolling to the desired thickness, annealed and trained, which is used as a standalone material or for the subsequent application of a protective coating.

Note — the Term applies to black plate and tinplate with various kinds of coverings in rolls or sheets.

3.2 sheet double rolling: the Strip, obtained from cold-rolled black annealed steel single rolling by re-cold rolling.

Note — the Term applies to black plate and tinplate with various kinds of coverings in rolls or sheets.

3.3 tinplate, hot-dip tinning: Black plate with double-sided coating tin, deposited hot.

3.4 tinplate electrolytic tinning: Black plate with double-sided coating tin, deposited by the electrolytic method. Depending on the ratio of the thickness of the coating on the sides of the tin may be either identical or differentiated (different) coating thickness.

3.5 tin tin: Black or white tin with the agreed level of technical characteristics providing the possibility of its use for the manufacture of tin containers.

3.6 miscellaneous tin: Commodity black or white tin with the level of performance, providing the possibility of its processing and use for any purpose, except the fabrication of canning containers.

3.7 annealing in bell-type furnaces: the Process by which uncoiled in a coil strip is subjected to annealing in a protective gas atmosphere at a specific temperature-time cycle.

3.8 annealing in a continuous (walk-through) casting: the Process in which annealing of the strip is carried through the checkpoint furnace in a protective gas atmosphere after uncoiling the roll.

3.9 the panel surface finish: Characteristics of the performance of the surface of the black plate and tin coating on tinplate, electrolytic tinning.

3.9.1 polished surface: the Surface obtained when training the black plate with the use of polished work rolls; melt the applied tin coating tinplate, electrolytic tinning.

3.9.2 brushed surface: the Surface obtained when training the black plate with the use of polished work rolls; melt the applied tin coating tinplate, electrolytic tinning.

3.9.3 notched surface: Surface obtained when training the black plate with the use of grooved work rolls; melt the applied tin coating tinplate, electrolytic tinning.

3.9.4 matte surface: the surface of the tinplate, electrolytic tinning obtained when applied to black sheet with a brushed or grooved surface poplavkovogo tin coating.

3.10 coating mass: Mass of coating expressed in grams per 1 mof the surface of the sheet or strip.

3.11 basic version: the Version if it has no special requirements specified by the customer.

Basic version includes:

— polished surface;

— select the manufacturer of the method of annealing;

— black plate no oiling;

— in the supply tinplate in sheets from any two ordered nominal linear dimensions may be the width;

— oiling of tinplate electrolytic tinning dioctylsebacate;

— marking side with weight of coating on tin plate with differential coating two continuous lines;

the passivation of electrolytically tinned tin plate by the electrolytic method a cathode in a solution of bichromate of sodium.

3.12 theoretical mass: the Mass of sheet and rolled steel, determined by multiplying the area calculated in 8.11.1, for nominal thickness of sheet metal and a base metal density equal to 7,85 t/mm. Coating mass not taken into account.

4 Classification

4.1 Gesture classification:

according to the method of production by species:

— H black (without coating),

— E — white electrolytic tinning,

— G — white hot-dip tinning;

brands:

— LCD — canning,

— ZHR different;

by product:

list

roll;

according to the method of rolling:

— T — tin a single rolling

— DP — double plate rolling;

according to the method of annealing:

— KP — in bell-type furnaces

— BUT — continuous (walk-through) furnaces.

If no ordering requirements for method of annealing, the manufacturer may use any method that provides the desired level of hardness and mechanical properties;

the degree of hardness and mechanical properties:

— tin black and white single-rolling on the hardness of degree: T1, T2, T3, T4, T5, T6, T7;

— tin black and white double-rolled mechanical properties for strength classes: ДП520, ДП550, ДП580, ДП620, ДП690;

quality surface finishes:

— black tinplate single rolling in groups: P, W, N;

— tinplate electrolytic tinning of single rolling in groups: P, W, N, M;

— tin black and white double rolling band W;

by mass of tin coating of tinplate sheet:

— electrolytic tinning with the same tin coating weight on both sides on classes: E1 0; E1,4, E2,0; E2,8; E4 0; E5,6; E8,4; E11,2;

-electrolytic tinning with differential coating mass on both sides on classes: D1,0/1,4; D1,0/2,0; D1,0/2,8; D1,4/2,0; D1,4/2,8; D1,4/4,0; D2,0/2,8; D2,0/4,0; D2,0/5,6; D2,8/4,0; D2,8/5,6; D2,8/8,4; D4,0/5,6; D4,0/8,4; D5,6/8,4; D5,6/11,2; D8,4/11,2;

— hot-dip tinning into classes I, II and III.

5 Assortment

5.1 Thickness of sheet metal

5.1.1 Tin are produced of the thickness from 0.14 to 0.36 mm with spacing size of 0.01 mm.

5.1.2 maximum deviations in thickness for tin brand LCD should not exceed ±5.0%, and for tin brand ZHR — ±10% of nominal thickness.

5.1.3 thickness variation at different points of the sheet or strip in a roll on a plot length of 1 m tin brand LCD must not exceed:

0.01 mm — for sheet metal with thickness from 0.14 to 0.28 mm, inclusive;

0.02 mm for sheet thickness of 0.29 to 0.36 mm, inclusive.

For sheet stamps ZHR allowed increase in the rate of thickness variation 0.01 mm compared to sheet stamps of the LCD.

5.2 the Linear dimensions of sheet and strip in coil

5.2.1 Tin produce:

— in rolls of a width of the strip 600−1050 mm;

— in sheets with a width of 600−1050 mm and a length of 400−1200 mm.

The basic layout sheet are given in table 1.


Table 1

In millimeters

View tin	The width of the sheet and strips in coil	The length of the sheet
Black	712	512
	724	820
	820	712
	836	716
	1000	712
	1024	910
White electrolytic tinning	Seven hundred twelve	512
	724	820
	820	712
	836	716
	1000	712
	1024	910
White hot-dip tinning*	712	512
________________ * Tinplate hot-dip tinning is manufactured only in leaves.

Permitted by agreement with the customer:

— changing the width of the sheet length;

— fabrication of sheet metal intermediate sizes with ratio of 1 mm.

5.2.2 Limit deviations on width of sheet and strip in coil and the length of the sheets should not exceed the values given in table 2.


Table 2

Mark sheet	Limit deviation, mm, no more
	width	length
LCD	0 3.0 a	0 3.0 a
ZHR	0 3.0 a	0 +4,0

5.3 Cosinus cutting of sheets shall not exceed 0.20% of the width for tin brand LCD, 0,25% for tinplate brand ZHR.

5.4 Camber sheet should not exceed 1.0 mm for a length of 1 m for strip in coil or 0.15% of the length of sheet tin brand LCD and 2.0 mm, or 0.20%, respectively, for tin brand ZHR.

5.5 Deviation from flatness of sheets or strips in roll length of 1 m tin brand LCD should not exceed 5 mm, for sheet stamps ZHR — 10 mm.

5.6 Tinplate are made with cut edge. By agreement with consumer it is permitted to supply the black plate in coils with mill edge.

Examples of symbols:

Tinplate electrolytic tinning (e) brands of LCD, coil, size 0,22x820 mm, single-rolled, with hardness degree of T2, with annealing in bell-type furnaces (KP), class of covering D2,8/5,6; with a surface finish in the group P:

Roll, AGC-0,22х820-T2-CP-D2,8/5,6-P GOST R 52204−2004

Tinplate hot-dip tinning (G), ZHR stamps, in sheets, size 0,25x712x512 mm, single-rolled, with hardness degree of T3, the method of annealing is not specified, class coverage II:

Sheet GJR-0,25х712х512-TK-II GOST R 52204−2004

Tinplate electrolytic tinning (e) brands of LCD, in sheets, size 0,28x836x716 mm, single-rolled, with hardness degree of T6, with annealing in a continuous (through -) furnaces (BUT), class of covering E1,4, finishing the surface by group M:

Sheet AGC-0,28х836х716-T6-HO-E1,4, GOST R 52204−2004

Black plate (H), brand LCD, in sheets, size 0,15x836x716 mm, double-rolled, strength class ДП550, with annealing in a continuous (through -) furnaces (BUT):

Sheet NVC-0,15х836х716-ДП550-BUT GOST R 52204−2004

6 Technical requirements

6.1 raw materials

6.1.1 For the manufacture of tin should be used low carbon steel with chemical composition according plavonia the analysis are shown in table 3.


Table 3

Mass fraction of elements, %
Carbon, not more than	Manganese	Silicon	Sulfur	Phosphorus	Chrome	Nickel	Copper	Nitrogen	Aluminium
		no more
0,06	0,20−0,35	0,020	0,022	0,015	0,06	0,06	0,10	0,008	0,02−0,07

6.1.1.1 In the finished sheet can be deviations in the mass fraction of the elements of the standards are shown in table 3, in accordance with table 4.


Table 4

The maximum permissible deviation of the mass fraction of elements, %
Carbon	Manganese	Silicon	Sulfur	Phosphorus	Chrome	Nickel
+0,01	+0,05	+0,01	+0,005	+0,005	+0,04	+0,04

6.1.2 For the manufacture of tinplate use tin brands and O1pch O1 according to GOST 860 or tin with a mass fraction of the base element not less than:

99,90% for tinplate, hot-dip tinning;

99,85% for tinplate, electrolytic tinning.

Mass fraction of impurities in the tin should not exceed the values given in table 5.


Table 5

Mass fraction of tin, %, not less	Mass fraction of impurities in the tin,%, not more (each)									All impurities*, %, not more
	Arsenic	Copper	Lead	Bismuth	Antimony	Sulfur	Iron	Zinc	Aluminium
99,85	0,01	0,03	0,04	0,015	0,015	0,020	0,020	0,002	0,002	0,15
99,90	0,01	0,01	0,04	0,015	0,015	0,010	0,009	0,002	0,002	0,10
________________ * Allowed the presence of other elements, the total mass fraction of impurities shall not exceed these standards.

Tin, used for making steel, should be authorized by the Ministry of health of the Russian Federation.

6.2 Mechanical properties

6.2.1 the Mechanical properties of black and white tin single and double rolling should conform to the standards given in table 6.


Table 6

The degree of hardness, strength class	Hardness HR30TA (diamond table*) thickness of sheet, mm			Yield strength**, N/mm	Temporary resistance**, N/mm	Elongation** , %, not less
	<0,21	0,21−0,28	>0,28
Single sheet rolling
T1	<53	<52	<51	230±40	325±40	25
T2	53±3	52±3	51±3	245±40	340±140	25
TK	56±3	55±3	54±3	260±40	360±40	25
T4	58±3	57±3	56±3	275±40	375±40	20
T5	60±3	59±3	58±3	290±40	390±40	15
T6	62±3	61±3	60±3	415±40	435±40	15
T7	66±3	65±3	64±3	435±40	460±40	10
Tin double rolling
ДП520	-			520±40	540±40	5
ДП550	-			550±40	570±40	1
ДП580	-			580±40	590±40	0,3
ДП620	-			620±40	625±40	0,2
ДП690	-			690±40	700±40	0,1
________________ * Values norms of hardness obtained on the reference point table with a diamond contact surface. ** Mechanical properties of steel (yield limit, tensile strength, elongation) are determined by the manufacturer of tin. Norms for yield strength and relative elongation optional until 1 January 2008, after which specified. Test results are entered into the document of quality.

6.3 tin coating Weight

6.3.1 tin coating Weight in tinplate, hot-dip tinning shall conform to the standards given in table 7.


Table 7

Class cover	Coating mass total (both sides), g/m
	nominal	minimum
I	25,0	23,0
II	33,6	28,0
III	39,2	33,5

6.3.2 tin coating Weight in tinplate, electrolytic tinning with the same coating thickness on the sides should conform to the standards shown in table 8, with a graded coating in table 9.


Table 8

Class cover	Mass of coating, g/m
	nominal		minimum
	on each side	common	on each side	common
E1,0	1,0/1,0	2,0	0,75/0,75	1,5
E1,4	1,4/1,4	2,8	1,15/1,15	2,3
E2,0	2,0/2,0	4,0	1,70/1,70	3,4
E2,8	2,8/2,8	5,6	2,45/2,45	4,9
E4,0	4,0/4,0	8,0	3,60/3,60	7,2
E5,6	5,6/5,6	11,2	5,10/5,10	10,2
E8,4	8,4/8,4	16,8	7,80/7,80	15,6
E11,2	11,2/11,2	22,4	10,30/10,30	20,6

Table 9

Class cover	Mass of coating, g/m
	nominal		minimum
	on each side	common	on each side	common
D1,0/1,4	1,0/1,4	2,4	0,75/1,15	1,90
D1,0/2,0	1,0/2,0	3,0	0,75/1,70	2,45
D1,0/2,8	1,0/2,8	3,8	0,75/2,45	3,20
D1,4/2,0	1,4/2,0	3,4	1,15/1,70	2,85
D1,4/2,8	1,4/2,8	4,2	1,15/2,45	3,60
D1,4/4,0	1,4/4,0	5,4	1,15/3,60	4,75
D2,0/2,8	2,0/2,8	4,8	1,70/2,45	4,15
D2,0/4,0	2,0/4,0	6,0	1,70/3,60	5,30
D2,0/5,6	2,0/5,6	7,6	1,70/5,10	Of 6.80
D2,8/4,0	2,8/4,0	6,8	2,45/3,60	6,05
D2,8/5,6	2,8/5,6	8,4	2,45/5,10	7,55
D2,8/8,4	2,8/8,4	11,2	2,45/7,80	10,25
D4,0/5,6	4,0/5,6	9,6	3,60/5,10	8,90
D4,0/8,4	4,0/8,4	12,4	3,60/7,80	11,40
D5,6/8,4	5,6/8,4	14,0	5,10/7,80	12,90
D5,6/11,2	5,6/11,2	16,8	5,10/10,30	15,40
D8,4/11,2	8,4/11,2	19,6	7,80/10,30	18,10

6.3.3 Excess coating mass listed in tables 7−9, is not a rejection symptom.

6.4 Quality of surface finish sheet

6.4.1 Black plate and tinplate, electrolytic tinning of a single rolling should be issued with the following types of surface finish:

— P — polished surface to the black plate; tinplate, electrolytic tinning, black plate with polished surface and melted tin coating; the surface roughness of the black plate across the direction of rolling — of 0.40 microns;

— Sh — brushed surface for black plate; tinplate, electrolytic tinning, black plate with brushed surface and a melted tin coating; the surface roughness of the black plate across the direction of rolling — 0,63 mm;

— N — grooved surface for black plate; tinplate, electrolytic tinning black plate with a grooved surface and a melted tin coating; the surface roughness of the black plate is not standardized;

— M (only for tinplate, electrolytic tinning) — black plate with the surface groups of sh or N neoplasene with tin coating.

6.4.2 For black and white sheet of the double-rolled surface finish is carried out only in the group of sh.

6.5 requirements to the surface quality

6.5.1 Requirements for the black plate

The surface characterization and permissible defects given in table 10.


Table 10

The type and grade of tin; group surface finish	The surface characterization	Permissible surface defects on sheet 1 or 1 m length of the strip
NVC, N, W, N	The surface should be smooth, clean, no rust spots, captivity, bundles and impurities	Individual prints from the rolls and rollers, a flaw on edges with depth not more than 1.5 mm, light scratches and brackets, color of tint, light, shade variation and patina of corrosion that do not impede the detection of surface flaws
JR; P, W, N	The surface should be smooth, clean, no rust spots, captivity, bundles and impurities	In addition to the defects mentioned tin brand LCD, allowed: flaw on edges with depth of not more than 5 mm, dark spots, punctures not more than 6 pieces, a Burr height of not more than half the thickness of tin, for rolls — protruding coils of not more than 5 mm; leaves curved corners with a side of 25 mm, myatost and brackets without the bloat and flaws

6.5.2 Requirements for tinplate, electrolytic tinning

The surface characterization and the permissible defects in the tin coating are shown in table 11.


Table 11

The type and grade of tin; group surface finish	The surface characterization	Permissible surface defects on sheet 1 or 1 m length of the strip
ASK; P, W, N, M	The surface should be shiny (for groups of the surface P and sh), clean, no rust spots, metalogenic plots captured	Some minor defects that do not violate the integrity of tin coating: shade variation tin coating, light scratches, scuffs, brackets, drops tin with a diameter of not more than 1 mm, the bubble diameter of not more than 1 mm not more than 3 pieces, naplavlena edge width to 3 mm, flaw on edges with depth not more than 1.5 mm, to two bent corners of the side dimension of not greater than 2 mm or absence of angles of the same size prints from the rolls, nadawi. On the surface of the tin coating of classes E1,0-E2,0 is allowed tree drawing
AIR; P, W, N, M	The surface should be shiny (for surface groups II and III) with separate surface defects	In addition to the defects mentioned tin brand LCD, allowed: scratches, brackets, two curved corner a hand size of up to 25 mm or absence of angles of the same size, dark rough deposits of tin with an area of not more than 30 cm, private films and shells, nodules of tin in the form of droplets with a diameter less than 3 mm not more than 5 lines, bubbles with a diameter of 5 mm in an amount of not more than 10 PCs, naplavlenie areas in some places, myatost edges up to 5 mm in the form of brackets without complications and flaws, flaw on edges with depth of 5 mm, small burrs with a maximum height of half the thickness of sheet metal, punctures not more than 6 pieces in different places of the strip or sheet of corrosion on individual sections of the sheet, naprawienie strip width of 5 mm, a total area of not more than 50 cm

6.5.3 Requirements for tinplate, hot-dip tinning

The surface characterization and the permissible defects in the tin coating are shown in table 12.


Table 12

The type and grade sheet	The surface characterization	Permissible surface defects on sheet 1 or 1 m length of the strip
Gzhk	The surface should be clean, shiny, no rust spots, metalogenic sections, captivity and pollution	Minor defects that do not violate the integrity of the coating, shade variation tin coating, easy nadawi and prints from the rolls, a separate surface contamination in the form of points, light scratches and brackets, tin grains with a diameter of 2 mm, bubbles with a diameter of 2 mm in an amount of not more than 3 pieces, flaws on the edges to a depth of not more than 1.5 mm, the influxes of tin (burrs) on the edges of the sheets of a width not exceeding 3 mm, to two bent corners of the side dimension of not greater than 2 mm or absence of angles of the same size
HER	The surface must be clean, with a separate surface defects	In addition to the defects mentioned tin brand LCD, permitted: surface scratches and brackets naprawienie spots with a total area of not more than 50 cm, the nodules of tin on the edges of leaves, bubbles with a diameter of 5 mm up to 10 pieces, two curved corner with a side of 25 mm or absence of angles of the same size, zinc chloride contaminated surface in patches with a total area of up to 50 cm, myatost edges up to 5 mm in the form of brackets with no complications, flaws on the edges to a depth of not more than 5 mm, minor burrs with a maximum height of half the thickness of sheet metal, punctures not more than 6 pieces in different places on the sheet

6.6 Tin hot tinning brand LCD class coverage I should not have more than five pores, covering classes II and III — more than three pores per 1 cmof the surface.

Tin hot tinning brand ZHR all classes cover the number of pores on the surface are not normalized.

6.7 tinplate electrolytic tinning should be subjected to passivation and oiling.

6.8 the Manufacturer guarantees that for black and white sheet brand LCD fraction strips per roll, conforming to the requirements of this standard to the brand of the LCD should be not less than 85%, the brand ZHR — not more than 15%. The welds are not cut. Roll is not allowed more than two marked tabs, welds.

6.9 Marking side with weight of coating on tinplate with differential coating should be carried out by applying two longitudinal bands in the Central part of the strip before cutting the leaves. Permitted by agreement with the consumer other ways to refer to the differential cover or an indication of a side with a greater mass of the coating on the label.

6.10 Labeling and packaging

6.10.1 Labelling and packaging — according to GOST 7566 with the following additions.

6.10.2 Sheets of tin are Packed in bundles. Bundle of sheet shall consist of sheets in multiples of 50, stacked on one pallet.

6.10.3 sheet of tin allowed in the stack of sheet stamps, the LCD is not more than 3.5% of the leaves with a deviation from flatness, the thickness, the sheet length, and surface defects and coverage limits established for tin brand ZHR; myatost edges and brackets without complications and flaws, and flaws on edges with depth of not more than 5 mm, the Burr height is not more than half the thickness of tin.

6.10.4 the Number of sheets in bundles of one party must be the same. Gross weight of one bundle should not exceed 1.5 T.

6.10.5 Packaging of sheet and rolled steel should prevent the ingestion of atmospheric precipitation and packaging to ensure the safety of the sheet during transportation and storage. Recommended circuit packing sheets and rolls sheet given in Appendix A.

6.10.6 roll Dimensions and weight are given in table 13.


Table 13

Strip width, mm	Inner diameter of coils, mm	The maximum outer diameter rolls, mm	Gross mass, kg, not more, for the transport of the species
			closed	open
From 600 to 1050	400, 500	Up to 1200	1500	15000
Note — By agreement with the consumer allowed transportation of private mode of transport rolls a large outer diameter and greater gross weight.

6.10.7 During the transportation of tin in the far North regions and equated areas packing is carried out in accordance with GOST 15846.

7 acceptance Rules

7.1 General rules of acceptance GOST 7566.

Tin take parties.

7.2 the Party shall consist of tin-same species, same grade, same thickness, same dimensions, one of the rolling method, one degree of hardness or strength, the same group of surface finishing, one method of annealing and a single class of coverage. Party make out a single document on quality.

In the document on quality indicates:

— trademark of the manufacturer;

— the type and brand of sheet metal;

— thickness of the sheet;

— the linear dimensions of sheet metal;

— method of rolling, the degree of hardness or strength class;

— method of annealing;

group surface finish;

class cover (for tinplate);

— mark «TM» and the theoretical mass;

the number of bundles or rolls;

— test results for compliance with tin requirements of the standard;

— date of manufacture;

— the designation of this standard;

— the name of the consumer.

7.3 To check the quality of tin from the party select 1% of the mass or area of the party, but at least one bundle or one roll.

7.4 sample size

7.4.1 Coils

Verification of dimensions and geometric tolerances is carried out on the outer part of the roll. Checking the quality of the surface is carried out in a flow production lines and inspection of the external parts of the roll.

From each test roll taken two cut strips of a length less than 1 m for testing deviations of form, ground, tin coating, hardness and mechanical properties, surface roughness.

7.4.2 Sheets

From different places of the control bundle is taken 1% of the leaves to check the quality of the surface. Checking the linear dimensions and geometric tolerances is carried out on half of the leaves selected for surface quality assessment.

To check the mechanical properties, the mass of the tin coating, roughness, porosity (tin hot tinning) select sheet 2 from the control pack.

8 test Methods

8.1 surface Quality sheets and coils for compliance with requirements 6.5 verify by visual inspection without the use of magnifying devices.

8.2 sheet Thickness and thickness variation for compliance is determined 5.1 not less than five points, evenly spaced across the direction of rolling, the distance from the edge at least 15 mm bracket with a reading device according to GOST 11098 accuracy up to 0,002 mm or other measurement instrument that provides the measurement error. The measurement result is recorded in millimeters to three significant digits after the decimal point.

When determining the thickness for test result take the average value. The result in millimetres, rounded to the second significant digit after the decimal point.

In evaluating thickness variation for the test taking the maximum difference between individual measurements in millimetres, rounding it up to the second significant digit after the decimal point.

8.3 Linear dimensions of sheet and rolled steel for compliance with 5.2 check measuring with a metal ruler according to GOST 427, metal measuring tape according to GOST 7502или other measuring tools with a measuring error of not more than 0.5 mm.

Measurement of the width of sheets and rolls is carried out at a right angle to the direction of rolling through the middle of the sheet or cut strip lying on a flat stand.

Measuring the length of the sheet is carried out parallel to the direction of rolling in the middle of the sheet lying on a flat stand.

8.4 measurement of the skew cut, camber and flatness deviation for compliance 5.3, 5.4, 5.5 is carried out according to GOST 26877.

8.5 Blanks and samples for testing are cut from sheet or cut strip in accordance with figures 1 and 2. The maximum permissible deviations linear dimensions of the workpieces and samples — from 0 to +2 mm.

Figure 1 — Cutting blanks and samples from sheets and strips of black plate and tinplate, electrolytic tinning

1 — 70x70 mm samples to measure the hardness of tin single rolling; 2 — sample 100x100mm
to determine the roughness; 3 — processing 25x200 mm for testing the mechanical properties of tin
single and double rolling; 4 — workpiece width of 130 mm or 260 mm
for determining the weight of tin coating

Figure 1 — Cutting blanks and samples from sheets and strips of black plate and tinplate, electrolytic tinning

Figure 2 — Cutting blanks and samples from sheets of tinplate, hot-dip tinning

1 — 70x70 mm specimens for measuring the hardness; 2 — samples 100x100 mm to determine
porosity of the coatings; 3 — workpiece with a width of 130 mm for the determination of mass of tin coating;
4 procurement 25x200 mm for testing the mechanical properties

Figure 2 — Cutting blanks and samples from sheets of tinplate, hot-dip tinning

8.6 hardness Measurement for compliance with 6.2.1 is carried out by Super-Rockwell in accordance with Annex B. the Measurement is performed after removing the protective coating and removing of lubricant.

8.7 Determination of mechanical properties of steel tinplates for compliance 6.2 performed on samples having a width of 12.5 mm and the initial design length of 50 mm according to GOST 11701. Test samples of tinplate is carried out after removing the coating by the method described in B. 1.3 of Annex B. the test result take the average of tests on two samples.

8.8 roughness Measurement for compliance with 6.4.1 is carried out according to GOST 2789 across the direction of rolling contact profiling-profilers according to GOST 19300. For test result take the arithmetic mean roughness value of each side measured on the two samples. The manufacturer may not carry out control of roughness of tinplate provided a guarantee of this characteristics in accordance with 6.4.1.

When checking roughness on tinplate, electrolytic tinning tin coating is removed by the method described in B. 1.3 of Annex B.

8.9 Measurement of mass of tin coating on compliance 6.3 conduct iodometric method with error not exceeding ±0.1 g/mby the method given in Annex B.

The use of other methods for the determination of mass of tin coating, having the required accuracy. With any method of determination of mass of tin coating square which hosts the measurement should not be less than 6000 mm, zone measurements should be evenly distributed along the width of the strip, excluding the edge sections with a width of 25 mm.

If any dispute occurs the tin coating weight is determined by iodometric method.

8.10 Testing the porosity of sheet hot-dip tinning brand LCD for compliance 6.6 is carried out according to methodology described in Appendix G.

8.11 Determination of theoretical mass and area

8.11.1 Square sheet of tin is determined by multiplying the nominal sizes of sheets with the addition of to each one half of the maximum deviations.

Area of rolled steel is determined by multiplying the length of the strip in a roll the width of the strip with the addition of half of the limit deviations on width of strip.

8.11.2 the theoretical Values of mass and area of sheet and rolled steel, depending on its linear dimensions are given in Appendix D.

8.12 in determining the mechanical properties allowed the use of nondestructive magnetic method in accordance with GOST 30415.

9 Transportation and storage

9.1 Transportation and storage — by GOST 7566 with the following additions.

9.2 Transport marking under GOST 14192.

9.3 To each unit of the shipping container, attach a label indicating:

— trademark of the manufacturer;

— type of sheets;

mark sheet;

— the thickness and linear dimensions of sheet metal;

— degree of hardness or strength class;

group surface;

class cover (for tinplate);

— the number of sheets in the stack or the number of metres of strip in the coil;

— the number of seams for sheet in coils;

— theoretical or actual weight of tin in a bundle or roll;

— when shipping on the theoretical mass — sign «TM»;

— the batch number;

room sorter, inspector of technical control Department;

— the number of the packer or the number of teams;

— date of manufacture;

— the designation of this standard.

By agreement with consumer it is permitted the delivery sheet according to its actual weight. When the delivery sheet at the actual weight number of sheets in the stack or the number of meters of the strip at the roll on the label and in the document on quality not indicate.

9.4 outside of the package with indelible paint applied to data from a label or stick the second copy of this label. Tin intended for long-term storage, marking is applied to outside packaging indelibly with the additional indication of the net mass of each place.

9.5 Transportation of tin is carried out by all types of transport in covered and open vehicles in accordance with goods transportation regulations applied to this type of transport, and conditions of loading and fastening of cargoes, approved by the Ministry of communications of the Russian Federation. Shipped in open vehicles are allowed on agreement with the consumer.

9.6 During the transportation of coils by water transport packing is carried out with a vertical axis.

9.7 Storage sheet is carried out in dry closed rooms in conditions that exclude exposure to moisture.

9.8 the companies engaged in long-term storage, the plate should be stored at temperature not below + 4 °C and relative humidity not more than 80%.

10 manufacturer’s Warranty

10.1 the Manufacturer guarantees the conformity of the sheet with the requirements of this standard if the conditions of transportation and storage.

10.2 the Warranty period of storage tin from date of manufacture one year.

After a period of storage carry out an additional check sheet for compliance with the requirements of this standard.

Annex a (recommended). Diagrams of the packaging sheet

APPENDIX A
(recommended)

Figure A. 1 — diagram of the packing of sheets in the black plate

1 — pan; 2 — split casing; 3 — air castles; 4 — metal cover; 5 — strapping;
6 — edges; 7 — a pack of sheets in the black plate

Figure A. 1 — diagram of the packing of sheets in the black plate

Figure A. 2 — scheme of the packaging sheets of tinplate

1 — pan; 2 — edges; 3 — air castles; 4 — piping 5 — sheet of boxboard or defective
tinplate sheet; 6 — metal cover; 7 — packing material; 8 — pack of sheets of tinplate;
9 — split casing

Figure A. 2 — scheme of the packaging sheets of tinplate

Figure A. 3 — scheme of the packaging of rolls of black and white tin with a horizontal axis

1 — roll of black or white tin with a horizontal axis; 2 — packing material;
3 — metal containers; 4 harnesses; 5 castles; 6 — pan

Figure A. 3 — scheme of the packaging of rolls of black and white tin with a horizontal axis

Figure A. 4 — scheme of the packaging of rolls of black and white tin with a vertical axis

1 — pan; 2 — roll black or white tin with a vertical axis; 3 — the packing material;
4 — lock; 5 — obvjazki; 6 — sheet of boxboard or defective tinplate sheet

Figure A. 4 — scheme of the packaging of rolls of black and white tin with a vertical axis

APPENDIX B (mandatory). Method for determination of hardness of Super-Rockwell

APPENDIX B
(required)

B. 1 sample Preparation

B. 1.1 Sample sheet to control the hardness of each sample cut from sheet or cut strip according to the diagrams in figures 1 and 2 of this standard.

B. 1.2 the Sample must be flat, clean, dry surface, without scratches, nicks, grease, rust or any coating. Samples with a curved surface deformation, and with oiled surface hardness test is not allowed.

B. 1.3 tin coating is removed in heated to 50 °C-70 °With an aqueous solution of a mixture of sodium hydroxide and mecanicamente acid. A solution prepared by dissolving in 1 liter of distilled water according to GOST 6709 50 g of sodium hydroxide according to GOST 4328 and 25 g mecanicamente acid by ND. Allowed for removing tin other solutions that do not cause rastravleniya steel base.

After removing the coating samples were washed with water and rubbing alcohol according to GOST 18300.

B. 2 measuring instruments

B. 2.1 hardness Measurement is carried out on the device type TKS-1, or other similar devices that have been tested and listed in the State register of measuring instruments in accordance with [1].

B. 2.2, the hardness Measurement is carried out on a scale 30T with a load of 294 N (30 kgf) ball diameter 1,588 mm for point support table with diamond contact surface.

B. 3 measurements

B. 3.1 hardness Measurement shall be conducted in accordance with the instructions in the operating instructions of the used device.

B. 3.2 the centers of the prints should be placed at a minimum distance of 6 mm from each other or from the edge of the sample.

B. 3.3 On the reverse side of the test sample is allowed traces of fingerprints.

B. 3.4. After each replacement of a tip are checking the readings with exemplary measures hardness.

B. 3.5 evaluation of the hardness is carried out in conventional units, depending on the depth of penetration of the ball into a test body under the action of two consecutively applied loads: pre — 29,4 N (3 kgf) and basic — 294 N (30 kgf).

B. 3.6 the countdown of the results of hardness measurement is carried out according to the scale indicator automatically remove the main load (in the unit it fixed the click) with the continued effect of pre-load.

The hardness number of believe the indication arrows on the indicator scale in whole units rounded to the nearest whole number.

B. 3.7 For the measurement result taking the arithmetic mean of at least three definitions of hardness obtained on the same sample.

The first two measurements on the samples after changing the tip or reference point of the table isn’t taken into account.

B. 3.8 the Total range of hardness values for test sample shall not exceed 4. If the variance is more than 4 units, it is possible to repeat the measurement.

B. 3.9 test result take the average of results of hardness measurement on four samples.

ANNEX b (mandatory). Iodometric method for determination of mass of tin coatings of tinplate

THE APP
(required)

V. 1 the essence of the method

The method is based on the oxidation of iodine divalent tin in hydrochloric acid medium.

B. 2 Laboratory glassware, reagents and solutions

Pipette with one mark according to GOST 29169.

Burettes according to GOST 29251.

Burettes without waiting time according to the GOST 29252.

Hydrochloric acid according to GOST 3118, density of 1.19 g/cm.

Calcium carbonate according to GOST 4530.

Potassium iodide according to GOST 4232.

Potassium ignominously according to GOST 4202.

Potassium hydroxide according to GOST 24363.

Antimony trichloride at ND.

The soluble starch according to GOST 10163, 1% solution, freshly prepared.

Distilled water according to GOST 6709.

Tin GOST 860.

Lead brands S0 GOST 3778.

Zinc, granulated by ND.

Antimony trioxide by ND.

All reagents must have a qualification not lower than h.d. a.

B. 3 Working solutions for titration

3.1 Iodide iodata the mixture titrated solution: weighed odnomodovogo potassium 5.1 g is placed in a measuring flask with volume capacity of 1000 cm. Pour 500 cmof distilled water. After complete dissolution add 0.2 g of potassium hydroxide. The solution was stirred. Add 80 g of potassium iodide. After complete dissolution of potassium iodide solution volume was adjusted with distilled water to 1000 cm.

V. 3.2 Calibration solution of tin: 7 g tin in plates or fine powder, dissolve in 500 cmof hydrochloric acid in the conical flask with a capacity of 1000 cmwithout heating in a fume hood, covering the flask with a funnel. Occasionally the solution is stirred. After complete dissolution of the tin (termination of allocation of gas bubbles) the solution volume is brought to 1000 cmwith distilled water. The mass of tin in 1 cmof solution is equal to 0,007 g.

V. 3.3 determination of the titer of the working solution of tin (mass concentration of the solution of iodide Iodate mix): pipette select 10−20 cmor 5 cm(for steel sheets with a coating of 2.0 g/mor less) of a standard solution of tin was placed in a conical flask with a capacity of 250 cm, add 70 cmof distilled water, eight pellets of zinc metal (4−5 g), or 10−15 grams of lead without arsenic, the flask closed with a stopper with a valve. The solution is maintained at a low heat until the tin is not restored to spongy condition. Then placed in a flask 1−2 pieces of marble (calcium carbonate), add 80 cmof hydrochloric acid (density 1,19 g/cm) and heated until complete dissolution of the sponge. Then put the marble and the solution was cooled with running water (in a fume hood). After cooling, the contents of the flask titrated with a solution of iodide Iodate mixture in the presence of 1−2 cmof solution of starch mass fraction of 1%. The titration is done after reaching a steady blue color.

The titer of the working solution , g/cmtin, calculated by the formula

, (B. 1)

where  — weight of tin in 1 cmstandard solution, g;

 — the volume of a standard solution taken for titration, cm;

the volume of the solution of iodide Iodate mixture, spent on titration, sm.

Titer determination is carried out on three to five samples; the volume of the solution consumed for titration should not vary by more than 0.2 cm. For final result take an arithmetic average value of the results obtained.

B. 4 Preparation of samples

V. 4.1 For determining the weight of tin coating on tin hot tinning and electrolytically tinned sheet metal of each sheet or cut strip cut blanks according to the diagrams in figures 1 and 2 of this standard.

V. 4.2 For determining the weight of tin coating on electrolytically tinned sheet metal with the same thickness of the coating on the sides of each blank is grooved stamp at an equal distance from each other vyshtampovyvajut 10 or 20 samples with a diameter of (20±0,5) mm.

V. 4.3 For determining the weight of tin coating on electrolytically tinned sheet metal with a graded coating on the workpiece is carved on one side and remove the tin with sandpaper or by chemical dissolution. In case of discrepancies, the tin is removed by chemical dissolution. After removing the tin with one of the parties vyshtampovyvajut samples for V. 4.2.

V. 4.4 a Solvent to remove tin: 32 g of antimony trichloride and 20 g of trioxide of antimony is dissolved in 1000 cmof hydrochloric acid density of 1.19 g/cm.

Solvent with cotton and remove the tin from one side of the strips, then vyshtampovyvajut 10 or 20 samples with a diameter of (20±0,5) mm and determine the mass of the coating. Determination of mass of tin coating on the other side is carried out similarly.

V. 5 analysis

V. 5.1 In a flask with a capacity of 100 cmpour 10 cmor 20 cmof hydrochloric acid and heated to boiling. In the boiling solution, drop the piece of marble (calcium carbonate) and samples of tin. The flask is stoppered with a valve and allowed to stand for 5 min in low heat.

V. 5.2 In the resulting solution was dipped a piece of marble, and add 50 cm offreshly boiled and cooled distilled water.

V. 5.3 After cooling, pour 1−2 cmof solution of starch mass fraction 1% and titrated to a stable blue coloration with a solution of iodide Iodate mixture.

B. 6 Processing of measurement results

V. 6.1 the Total tin coating weight , g/m, for each workpiece of sheet metal with the same coating on the sides is calculated by the formula

, (V. 2)

where is the volume of the solution consumed for titration, cm;

the titer of the working solution, g/cmtin;

total area (actual diameter) 10 samples or 20 samples of tinplate (tin coating weight 2.0 g/mand less), cm(square is on one side).

V. 6.2 For test result take the average of measurements of the mass of the coating on samples from the two workpieces.

V. 6.3 the tin coating Weight on the sides , g/m, for each workpiece of sheet metal with a graded coating is calculated by the formula

, (B. 3)

where is the volume of the solution consumed for titration, cm;

the titer of the working solution, g/cmtin;

total area (actual diameter) 10 samples or 20 samples of tinplate (tin coating weight 2.0 g/mand less), cm.

V. 6.4 For differential tin coating weight of tin is determined sequentially on each side and at the same time carry out monitoring of mass of tin coating by determining the total amount of tin on both sides of a sheet by the method of determination and calculation described in V. 6.1. The result should correspond to the amount of mass of tin coating obtained on each side of the sample. The result of the control test the total mass of tin coating on both sides — no more than ±5% of the amount of mass of tin coating obtained on each side.

V. 6.5, the test Result is calculated similarly to V. 6.2.

APPENDIX d (mandatory). The method of determining porosity on tinplate, hot-dip tinning

APPENDIX D
(required)

D. 1 sample Preparation

From each contact sheet cut samples according to the scheme shown in figure 2 of this standard.

G. 2 Apparatus and reagents

Oils according to GOST 23932.

Gelatin GOST 11293.

Potassium genesisintermedia according to GOST 4206.

Sulfuric acid according to GOST 4204 with molar concentration of equivalent to 0.5 mol/DM.

The rectified technical ethyl alcohol according to GOST 18300.

Distilled water according to GOST 6709.

G. 3 Preparation of solutions

Solution a: 20 g gelatin pour 500 cmof distilled water and leave to swell. Then heated while stirring in a water bath at 65 °C-70 °C until a colloidal solution.

Solution B: 2 g relatoseroticos potassium is dissolved in 290 cmof distilled water. Then to the solution add 10 cmsulphuric acid with molar concentration of equivalent to 0.5 mol/DMand 200 cmof ethanol.

The solution is to determine the porosity in the mortar And while stirring pour the solution B.

G. 4 measurements

Prior to testing, the porosity samples were washed in hot water and rubbing alcohol. In the Central part of the sample is applied to the sheet of filter paper according to GOST 12026 size not less than 70x70 mm, saturated solution to determine the porosity by 3. The calculation then is carried out through 10 min become apparent on the surface of the sample sheet or overlay sheet of filter paper (with the sample sheet) of blue points.

G. 5 Processing of results

The number of pores on the surface in 1 cmdetermined by the formula

(1)

where is the number of pores on the surface of the superimposed filter paper;

 — the area of the superimposed filter paper, cm.

APPENDIX e (mandatory). Theoretical mass and the square of sheet and rolled steel

APPENDIX E
(required)

Table D. 1

Nomi — proportional to the size of the sheets, mm	Area Lis — ing, m	The weight of 1000 sheets, kg, thickness of sheet, mm
		0,14	0,15	0,16	0,17	0,18	0,19	0,20	0,21	0,22	0,23	0,24	0,25	0,26	0,27	0,28	0,29	0,30	0,31	0,32	0,33	0,34	0,35	0,36
712x512	366,4	403	431	460	489	518	546	575	604	633	662	690	719	748	777	805	834	863	892	920	949	978	1007	1035
712x820	586,1	644	690	736	782	828	874	920	966	1012	1058	1104	1150	1196	1242	1288	1334	1380	1426	1472	1518	1564	1610	1656
724x820	596,0	655	702	749	795	842	889	936	983	1029	1076	1123	1170	1216	1263	1310	1537	1404	1450	1497	1544	1591	1638	1684
836x716	600,9	660	708	755	802	849	896	943	991	1038	1085	1132	1179	1226	1274	1321	1368	1415	1462	1509	1557	1604	1651	1698
1000x712	714,6	785	841	898	957	1010	1066	1122	1178	1234	1290	1346	1402	1458	1515	1571	1627	1683	1739	1795	1851	1907	1963	2019
1024x910	934,7	1027	1101	1174	1247	1321	1394	1468	1541	1614	1688	1761	1834	1908	1981	2055	2128	2201	2275	2348	2421	2495	2568	2642

Table D. 2

Shi Rin on band, mm	Area of 1000 m Polo — Sy, m	The mass of 1000 m strip, kg, thickness of a rolled sheet, mm
		0,14	0,15	0,16	0,17	0,18	0,19	0,20	0,21	0,22	0,23	0,24	0,25	0,26	0,27	0,28	0,29	0,30	0,31	0,32	0,33	0,34	0,35	0,36
712	713,5	784	840	896	952	1008	1064	1120	1176	1232	1288	1344	1400	1456	1512	1568	1624	1680	1736	1792	1848	1904	1960	2016
724	725,5	797	854	911	968	1025	1082	1139	1196	1253	1310	1367	1424	1481	1538	1595	1652	1709	1766	1822	1879	1936	1993	2050
820	821,5	903	967	1032	1096	1161	1225	1290	1354	1419	1483	1548	1612	1677	1741	1806	1870	1935	1999	2064	2128	2193	2257	2322
836	837,5	920	986	1052	1118	1183	1249	1315	1381	1446	1512	1578	1644	1709	1775	1840	1907	1972	2038	2104	2170	2235	2301	2367
1000	1001,5	1101	1179	1258	1337	1415	1494	1572	1651	1730	1808	1887	1965	2044	2123	2201	2280	2359	2437	2516	2594	2673	2752	2830
1024	1025,5	1127	1208	1288	1369	1449	1530	1610	1691	1771	1852	1932	2013	2093	2174	2254	2335	2415	2496	2576	2657	2737	2818	2898