GOST 503-81

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  ГОСТ 503-81

GOST 503−81 cold-rolled strips of low carbon steel. Technical specifications (Changes No. 1−4)

GOST 503−81
Group B34

INTERSTATE STANDARD

COLD-ROLLED STRIPS OF LOW CARBON STEEL

Specifications

Cold rolled low-carbon steel strip. Specifications

ISS 77.140.50
OKP 12 3100

Date of introduction 1983−01−01
in part of the tape higher quality 1990−01−01

INFORMATION DATA

1. DEVELOPED AND INTRODUCED by the Ministry of metallurgy of the USSR

2. APPROVED AND promulgated by the Decree of the State Committee of standards of Ministerial Council of the USSR from 08.06.81 N 2865

3. REPLACE GOST 503−71

4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS

The designation of the reference document referenced	Item number
GOST 166−89	4.2
GOST 427−75	4.10, 4.12
GOST 1050−88	2.2
GOST 1497−84	4.7
GOST 2789−73	2.9, 4.4
GOST 3118−77	4.6
GOST 3282−74	5.3.1.1
GOST 3560−73	5.3.1.1, 5.3.1.2
GOST 4366−76	4.9
GOST 4381−87	4.2
GOST 5530−2004	5.3.6
GOST 5639−82	2.14, 4.13
GOST 5640−68	4.13
GOST 6507−90	4.2
GOST 7502−98	4.12
GOST 7566−94	3.1 a
GOST 8828−89	5.3.6
GOST 9045−93	2.2
GOST 9569−2006	5.3.6
GOST 10354−82	5.3.6
GOST 10396−84	5.3.3.1
GOST 10510−80	4.9
GOST 10877−76	5.2
GOST 11701−84	4.7
GOST 14019−2003	4.8
GOST 14192−96	5.8
GOST 14253−83	5.3.6
GOST 15102−75	5.5
GOST 15150−69	5.6
GOST 16272−79	5.3.6
GOST 19300−86	4.1, 4.4
GOST 20435−75	5.5
GOST 20799−88	5.2
GOST 21650−76	5.5
GOST 22225−76	5.5
GOST 22536.0−87	4.14
GOST 22536.1−88	4.14
GOST 22536.2−87	4.14
GOST 22536.3−88	4.14
GOST 22536.4−88	4.14
GOST 22536.5−87	4.14
GOST 22536.6−88	4.14
GOST 22536.7−88	4.14
GOST 22536.8−87	4.14
GOST 22536.9−88	4.14
GOST 22536.10−88	4.14
GOST 24597−81	5.5
GOST 26663−85	5.5
GOST 29329−92	4.16
OST 38.01436−87	5.2
THAT 14−1-5416−88	1.6

5. The expiration time limit is removed by the Resolution of Gosstandart from 09.04.92 N 383

6. EDITION (Sept 2009) with Changes No. 1, 2, 3, 4, approved in February 1983, June 1987, February 1989 and April 1992 (the IMS 7 to 83, 11−87, 5−89, 7−92), adjusted (ICS 4−90)


This standard applies to cold rolled strip of mild steel, designed for bending, punching parts, for the manufacture of pipes, cored wire, parts, bearings and other metal products.

(Changed edition, Rev. N 2, 3).

1. CLASSIFICATION AND ASSORTMENT

1.1. Tape made:

as material

osobnyaka — OM

soft — M

polonikova — PN

nagarebana — N

vysokokachestvennoj — VN

for precision manufacturing

thickness:

normal accuracy

increased accuracy — T

high precision In

width:

normal accuracy

increased accuracy — sh

in appearance and surface quality

the first group — 1

the second group — 2

the third group — 3

the fourth group — 4

by referring to edges

with cut edges

with mill edges — BUT

the microstructure

without control

with control — K

for camber

without control

control:

class a

class B

the quality of manufacture

common quality

high-quality — P

(Changed edition, Rev. N 3).

1.2. Tape made sizes:

thickness: 0,05; 0,06; 0,07; 0,08; 0,09; 0,10; 0,11; 0,12; 0,15; 0,18; 0,20; 0,22; 0,25; 0,28; 0,30; 0,32; 0,35; 0,40; 0,45; 0,50; 0,55; 0,57; 0,60; 0,65; 0,70; 0,75; 0,80; 0,85; 0,90; 0,95; 1,0; 1,05; 1,10; 1,15; 1,20; 1,25; 1,30; 1,35; 1,40; 1,45; 1,50; 1,55; 1,60; 1,65; 1,70; 1,75; 1,80; 1,85; 1,90; 1,95; 2,00; 2,10; 2,20; 2,25; 2,30; 2,40; 2,45; 2,50; 2,60; 2,70; 2,80; 2,90; 3,00; 3,10; 3,20; 3,30; 3,40; 3,50; 3,60; 3,80; 3,90; 4,00 mm;

width: 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 32; 34; 36; 38; 39; 40; 42; 43; 45; 46; 48; 50; 52; 53; 54; 55; 56; 58; 60; 63; 65; 66; 70; 73; 75; 76; 80; 83; 85; 86; 90; 93; 95; 96; 100; 102; 103; 105; 110; 112; 114; 115; 117; 120; 123; 125; 130; 135; 140; 142; 145; 150; 155; 160; 165; 170; 175; 180; 185; 190; 195; 200; 205; 210; 215; 220; 225; 230; 235; 240; 245; 250; 260; 270; 280; 290; 300; 310; 320; 325; 330; 340; 350; 360; 370; 380; 390; 400; 410; 420; 430; 440; 450; 500 mm.

(Changed edition, Rev. N 1, 4).

1.3. The width of the tape depending on the thickness of the tape shall be as defined in table.1.

Table 1

mm

The thickness of the strip	Tape width
From 0.05 to 0.18 incl.	4−260
SV. The 0.18 «x 0.40 «	4−300
«And 0.40» to 0.45 «	5−300
«To 0.45» to 0.50 «	5−500
«To 0.50» to 0.80 «	6−500
«To 0.80» to 1.00"	8−500
«1,00» 2,00 «	9−500
«2,00» 3,00 «	15−500
«3,00» 4,00 «	20−500

1.4. The thickness of the strip and limit deviations must correspond to those in table.2.

1.3, 1.4. (Changed edition, Rev. N 2,3).

1.5. (Deleted, Rev. N 2).

1.3, 1.4. (Changed edition, Rev. N 2, 3).

1.5. (Deleted, Rev. N 2).

1.6. The width of the tape and limit deviations must correspond to those in table.3.

(Changed edition, Rev. N 2, 3).

1.7. Tape with a thickness of 2,0 mm and a width of less than 20 mm are made on demand of the consumer.

1.8. Tape with a thickness of 3.0 mm, is designed for bearings, manufactured with a width of 19 mm.

Tape with a thickness of 1.80 mm, designed for the automotive industry, manufactured with a width of 9 mm.

1.9. At the request of the consumer, the tape shall be manufactured of the intermediate widths.

1.7−1.9. (Changed edition, Rev. N 2).

Table 2

mm

The thickness of the strip	Maximum deviation in thickness for the tape width
less than 125				from 125 to 250			250 and more
precision manufacturing
nor- Mal Noah	increase increased	high hell	nor- Mal Noah		increase increased	high hell	nor- Mal Noah	increase increased	high hell
From 0.05 to 0.08 incl.	-0,015	-0,01	-	-0,015		-0,01	-	-	-	-
Ranging from 0.09 «to 0.15 «	-0,02	-0,015	-0,01	-0,02		-0,015	-0,01	-	-	-
SV. 0,15 «0,25 «	-0,03	-0,02	-0,015	-0,03		-0,02	-0,015	-	-	-
«Of 0.25 «to 0.40 «	-0,04	-0,03	-0,02	-0,04		-0,03	-0,02	-0,04	-0,03	-0,02
«0,40 «0,70 «	-0,05	-0,04	-0,025	-0,05		-0,04	-0,025	-0,05	-0,04	-0,025
«0,70 «0,95 «	-0,06 (-0,07)	-0,05	-0,03	-0,07		-0,05	-0,03	-0,07	-0,05	-0,03
«0,95 «1,30 «	-0,08 (-0,09)	-0,06	-0,04	-0,09		-0,06	-0,04	-0,09	-0,06	-0,04
«To 1.30 «to 1.45 «	-0,08 (-0,11)	-0,06 (-0,08)	-0,04 (-0,05)	-0,10 (-0,11)		-0,07 (-0,08)	-0,05	-0,11	-0,08	-0,05
«1,45 «1,70 «	-0,10 (-0,11)	-0,07 (-0,08)	-0,05 (-0,05)	-0,11		-0,08	-0,05	-0,11	-0,08	-0,05
«1,70 «2,30 «	-0,10 (-0,13)	-0,07 (-0,10)	-0,05 (-0,06)	-0,12 (-0,13)		-0,09 (-0,10)	-0,06	-0,13	-0,10	-0,06
«To 2.30 «to 2.45 «	-0,10 (-0,16)	-0,07 (-0,12)	-0,05 (-0,08)	-0,12 (-0,16)		-0,09 (-0,12)	-0,06 (-0,08)	-0,16	-0,12	-0,08
«To 2.45 «to 3.00 «	-0,12 (-0,16)	-0,09 (-0,12)	-0,06 (-0,08)	-0,14 (-0,16)		-0,11 (-0,12)	-0,07 (-0,08)	-0,16	-0,12	-0,08
«3,00 «4,00 «	-0,12 (-0,20)	-0,09 (-0,16)	-0,06 (-0,10)	-0,14 (-0,20)		-0,11 (-0,16)	-0,07 (-0,10)	-0,18 (-0,20)	-0,14 (-0,16)	-0,09 (-0,10)
Of 4.00	-0,16 (-0,20)	-0,12 (-0,16)	-0,10 (-0,10)	-0,18 (-0,20)		-0,14 (-0,16)	-0,10	-0,20	-0,16	-0,10

Note. Maximum deviations in thickness of the tape is indicated in parentheses correspond to the tape of ordinary quality.

Table 3

mm

The thickness of the strip	Limit deviation width
for the cropped tape						for uncut ribbon
normal accuracy			increased accuracy
to 125 incl.	St 125 to 250 incl.	St 250 to 450	to 125 incl.	St 125 to 250 incl.	St 250 to 450	to 125	St 125 to 250 incl.	St 250 to 450
From 0.05 to 0.60 incl.	-0,3	-0,4	-0,5	-0,2	-0,25	-0,4	+3	+3,5	+4,0
SV. 0.60 to 1.00 incl.	-0,4	-0,6	-0,6	-0,25	-0,3	-0,5	(+2,0)	(+3,0) (-4,0)	(+4,5) (-6,0)
SV. Of 1.00	-0,5	-0,7	-0,8	-0,4	-0,6	-0,7	(-2,5)

Notes:

1. For strip with mill edges, made from hot-rolled strip (rolled) with the uncut edge on the other 14−1-4516, limit deviations on width should not exceed 4% of the nominal width.

2. Tolerances for the width of the tape indicated in parentheses correspond to the tape of ordinary quality.

Examples of callouts

Tape oslomarka, manufacturing high precision on the thickness, normal accuracy in width, the 2nd group of a surface, with cut edges, with control of microstructure, control of the camber of the class A, thickness 0.20 mm, width 60 mm ordinary quality:

Tape OM-T-2-K-A-0,2х60 GOST 503−81

The same high quality:

Tape OM-T-2-K-A-0,2х60 P GOST 503−81

Tape polonikova, manufacturing high precision in thickness, 3rd group of a surface, with mill edges, with a thickness of 2.00 mm, width 260 mm:

Tape PN-T-3-NO-2x260 GOST 503−81

Ribbon of steel grade 08KP (at the customer’s request in accordance with paragraph 2.2) oslomarka, normal accuracy in thickness and width, the 2nd group of a surface with cut edges, without the control of the microstructure and camber, thickness of 1.20 mm, width 100 mm of ordinary quality:

Tape 08KP-OM-2−1,2х100 GOST 503−81

The same high quality:

Tape 08KP-OM-2−1,2х100 P GOST 503−81

(Changed edition, Rev. N 3).

2. TECHNICAL REQUIREMENTS

2.1. Cold-rolled strips of low carbon steel shall be manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.

2.2. Tape oslomarka high quality should be produced of steel grades 08KP and 08ps as GOST 9045.

Tape the remaining States of the material, and tape oslomarka of ordinary quality shall be made of steel grades 08KP, 08ps, 08, 10ps, 10kp, 10 in the GOST 1050.

Steel grade selects the manufacturer in accordance with the requirements of table.4.

At the request of the consumer, the tape shall be manufactured from a specific steel grade in accordance with the requirements of table.4.

By agreement with consumer it is allowed manufacture of the ribbon of steel grade 08JU churchyard 9045.

(Changed edition, Rev. N 2).

2.3. Oslomarka tape designed for the vacuum industry must be manufactured of steel grade 08KP with a mass fraction of carbon not more than 0.08%, sulfur and phosphorus — not more than 0,022% each.

2.4. The mechanical properties of the tape must conform to the standards specified in table.4.

Table 4

State ed mate- Rial	Steel grade	Tensile strength, N/mm(kgf/mm)	Elongation, %, not less
when the thickness of tape, mm
less than 0.5	0.50 to 0.70 incl.	St. 0,70 to 1.50 incl.	St. 1,50 to 2.00 incl.	St. of 2.00 to 2.90 incl.	from 3.00 to 4.00 incl.
OM	08KP, 08ps, 10kp	270−390 (28−40)	23	23	23	26	30	32
M	08KP, 08ps, 08, 10kp, 10ps, 10	310−440 (32−45)	17	17	17	18	20	24
PN	370−510 (38−52)	7	7	7	9	10	12
N	440−590 (45−60)	-	-	-	-	4	4
VN	Not less than 540 (55)	-	-	-	-	-	-

For tape vysokokachestvennoj high-quality run-up values of temporary resistance in the party should not exceed 150 N/mm(15 kgf/mm).

For tape salomaki allowed raising the upper limit of strength 30 N/mm(3 kgf/mm) while maintaining all other regulations.

(Changed edition, Rev. N 2, 3, 4).

2.5. Tape thickness less than 0.20 mm are made osobnyaki and vysokokachestvennoj.

2.6. Salomague and soft ribbon made in dressirovka.

At the request of the consumer tape manufactures in nedressirovanny.

(Changed edition, Rev. N 2).

2.7. At the request of the consumer oslomarka tape shall withstand the bend test to the contact.

2.8. At the request of the consumer oslomarka and soft tape with a thickness of 0.20 to 2.00 mm shall pass the test by squeezing. The minimum depth extruded holes should conform to the standards specified in table.5.

Table 5

mm

The thickness of the strip	The squeezing depth of the wells, not less, for the tape width
90 or more (=20, =27)		less than 90 to 55 incl. (=15, =21)		less than 55 to 30 (=8, =11)		at least 30 to 13 incl. (=3, =5)
when the condition of the material
OM	M	OM	M	OM	M	OM	M
0,20	7,7	7,0	5,3	4,4	3,5	3,3	1	1,4
0,25	7,9	7,2	5,4	4,5	3,6	3,4	1	1,5
0,30	8,1	7,4	5,6	4,7	3.7 V	3,5	1	1,6
0,35	8,3	7,6	5,7	4,9	3,8	3,6	1	1,7
0,40	8,7	7,8	6,0	5,1	4,0	3.7 V	2	1,8
0,45	8,9	8,0	6,1	5,3	4,1	3,8	2	1,9
0,50	9,0	8,1	6,3	5,4	4,2	3,9	2	2,0
0,60	9,2	8,3	6,5	5,6	4,4	4,1	2	2,1
0,70	9,4	8,6	6,8	5,8	4,6	4,2	2	2,3
0,80	9,6	8,9	7,0	6,0	4,8	4,4	-	-
0,90	9,8	9,1	7,2	6,3	5,0	4,6	-	-
Of 1.00	The 10.1	9,3	7,4	6,5	5,1	4,7	-	-
1,20	10,5	9,7	7,8	6,9	-	-	-	-
1,40	10,9	The 10.1	8,2	7,3	-	-	-	-
1,50	11,0	10,3	8,5	7,5	-	-	-	-
1,60	11,2	10,5	8,7	7,7	-	-	-	-
1,80	11,5	10,8	9,0	8,0	-	-	-	-
Of 2.00	11,7	11,0	9,2	8,2	-	-	-	-

Note.  — diameter of the punch, the diameter of the matrix.

Rules the depths of the squeezing hole for the ribbon intermediate sizes thickness is taken equal to half the sum of the relevant standards for tapes of the two nearest sizes.

(Changed edition, Rev. N 1, 2).

2.9. In appearance and surface quality of the tape should meet the requirements specified in table.7.

Table 7*

_______________
* Table 6. (Deleted, Rev. N 1).

The group on top ness	Option serogo- vitasti over- ness, µm	Feature surface	Permitted defects	The maximum permissible size of defect
1		Light, shades from light gray to dark gray, no prisoner, smoothed out bubbles, cracks, cavities etched from the scale, okatannyh metal particles, rust tint	Individual scratches, and the risks of not longer than 100 mm, the prints are not more than 5 pieces per 1 m length	¼ limit deviations for thickness
2
3	Individual scratches, and the risks of not longer than 100 mm, the prints are not more than 5 pieces per 1 m length of single slivers, separate sinks from scale	½ limit deviations for thickness
4	Not regulated	Light, shades from light grey to dark grey or dark without the prisoner, rolled, bubbles, cracks, cavities etched from the scale, katanoi scale, okatannyh metal particles and rust stains. Allowed color of a tint	Maximum deviations in thickness

Tape is made of high quality 1 or 2 group of the surface, while the roughness parameter for the tape of the 2nd group of the surface shall not exceed 0,63 mm according to GOST 2789.

On the tape, intended for the production of cored wire, allowed the color of the tint.

(Changed edition, Rev. N 1, 2, 4).

2.10. On the cut tape are not allowed end of the crack and notch depth of more than half of the limit deviations on width and burrs — more maximum deviations in thickness.

On the uncut tape is not allowed on the ragged edge of the depth tolerances for the width of the tape.

On the edges of the belt, intended for the manufacture of flux-cored wire, defects are not allowed. Allowed burrs with the size not more than half of the maximum deviations in thickness.

2.11. Striping tapes is not allowed.

2.12. Traces of fracture (light lines) trained on the tape 1 and the 2nd groups are allowed. On a trained ribbon 3 and 4th groups of the surface allowed traces of the fracture, the depth is not more than 3 microns.

On nedressirovanny tape all groups of the surface allowed the presence of fractures and bands of slip lines. Surface roughness nedressirovanny tape is not standardized.

(Changed edition, Rev. N 1).

2.13. For belts with cut edge manufactured with camber control, the amount of camber must not exceed the limits specified in table.8.

For tapes of higher quality, produced without the control of the camber, the amount of camber shall not exceed 5 mm per 1 m length of the tape.

Table 8

mm

Tape width		Allowable camber per 1 m of length for class
And	B
To 15 incl.	4	2
SV. 15 «25 «		3	2
«25» 40 «		3	1,5
«40» 50 «		2,5	1,25
«50» 125 «		2	1,25
«125		2	1

2.14. With control of the microstructure salomague and soft tape is manufactured with the grain size of the ferrite 5−9 numbers according to GOST 5639.

Allowed the uneven grain of the ferrite within the three interconnecting rooms for oobayashi tape and four adjacent rooms — the soft tape.

Allowed grain ferrite number 10 subject to the requirements for mechanical properties of the tape.

(Changed edition, Rev. N 2).

2.15. At the request of the consumer salomague tape is manufactured with normalized banding and structurally-free cementite. Norms set by agreement between manufacturer and consumer.

2.16. By agreement between manufacturer and consumer tape is manufactured with the regulated standards of flatness. The value of the flatness (waviness, warpage) on a piece of tape length of 1 m should not exceed, mm:

3	-	for tape widths up to	50 mm incl.
5	-	strips over	50 to 200 mm incl.
10	-	strips over	200 mm.

The value of the flatness in cross-section (globcast) shall not exceed 1.5% of the width of the tape.

In the manufacture of the strip in the annealed condition is allowed warpage in excess of norms in two times.

(Changed edition, Rev. N 3).

2.17. Tape with a thickness less than 0.20 mm shall be manufactured in coils with internal diameter not exceeding 150 mm.

It is possible to produce strips of thickness less than 0.2 mm in rolls with internal diameter up to 400 mm. Tape with a thickness of 0.20 mm and over shall be manufactured in coils with inner diameter from 150 to 750 mm.

Outer roll diameter should not exceed 1600 mm.

According to customer’s demands outer diameter of the coil must not exceed:

-	for tapes up to a width of 20 mm	— 1000 mm;
-	for tapes up to a width of 35 mm	— 1200 mm.

Change the shape of the coil, leading to a fixed (residual) deflection of not more than 15% of the inner diameter.

(Changed edition, Rev. N 2, 4).

2.18. By agreement between manufacturer and consumer tape thickness more than 1.5 mm can be produced in the bands.

2.19. The coil should consist of one segment. Allowed the rolls of tape, consisting of two segments, provided that the mass cut corresponds to the claims presented to the minimum weight of a roll. Place of reeling shall be clearly marked. The party is allowed 10% of rolls, consisting of two segments.

(Changed edition, Rev. N 1).

2.20. The minimum weight of a roll set:

— for tape width up to 80 mm at the rate of at least 0.5 kg per 1 mm of width;

— for tape with a width of more than 80 mm is not less than 40 kg.

Allowed the rolls of tape mass to 50% below the minimum not more than 10% of the party.

In coordination with the consumer the maximum weight of a roll may be restricted.

3. ACCEPTANCE RULES

3.1. Rules of acceptance GOST 7566.

(Added, Rev. N 2).

3.1. The ribbon take parties. The party should consist of tape one melting, one steel, one charge and one state of the material, same size and same precision manufacturing, one type of surface and edges and be accompanied by a document about quality that contains:

is the trademark or name and trademark of manufacturer;

— name of the product;

— the designation of the standard;

— the batch number;

— number of melt indicating plotnogo chemical analysis or by agreement with the consumer, confirmation of compliance with chemical analysis of the requirements of this standard;

— grade of steel;

— the size of the tape;

— precision manufacturing;

— the condition of the material;

group surface;

— form edges;

— number of rolls, stop in the party or packages;

the weight in the shipment;

— test results or by agreement with the consumer, confirmation that the results meet the requirements of this standard.

By agreement between manufacturer and consumer is allowed to specify the name of the manufacturer.

At the request of the consumer shall indicate the type of preservative grease.

(Changed edition, Rev. N 3).

3.2. To check sizes, quality of the surface and the edges of the belt should be selected 5% of rolls, but not less than five rolls from the party.

(Changed edition, Rev. N 2).

3.3. To test a temporary resistance, relative elongation, the depth of the squeezing hole, bend test, to check camber, flatness, microstructure, delamination, roughness and chemical composition (if necessary) should be selected one roll from the party weighing up to 25 tons or two rolls from the party weighing over 25 tons.

(Changed edition, Rev. N 2, 4).

3.4. If unsatisfactory test results of at least one of the indicators it is carried out re-tests on twice the number of rolls of the number not being tested. The results of repeated tests apply to the entire party.

4. TEST METHODS

4.1. The quality of the surface and edges of the tape test without the use of magnifying devices. If necessary, the size of the surface defects of the tape is determined by the profiling-profilers according to GOST 19300 and other measuring instruments of appropriate accuracy. To check the quality of the edges of the belt, intended for the manufacture of cored wire, use a magnifying glass magnification 5.

(Changed edition, Rev. N 3).

4.2. The thickness of the tape measure with micrometers (GOST 6507 or GOST 4381) and other means of measuring the respective accuracy. The type tool is selected depending on the limit deviations of the thickness specified in table.2.

The tape width measured with calipers (GOST 166).

The thickness of the cut belt width 15 mm or more measured at a distance of not less than 5 mm from the edge, of a width of less than 15 mm in the middle of the width of the tape. The thickness of the uncut tape measure at least 10 mm from the edge.

4.3. Control of surface quality, edges and traces of the fracture is carried out for 2−5 spiral coil.

4.4. Surface roughness is determined according to GOST 2789 with profiling, profilers according to GOST 19300 and other measuring instruments of appropriate accuracy.

(Changed edition, Rev. N 2).

4.5. From each selected roll of tape cut one sample for each test.

4.6. Stratification is determined visually, when the test strip to bending, tensile, elongation and spherical dimples on the macrosections after hot etching in 50% aqueous solution of hydrochloric acid (GOST 3118) at a temperature of 60−70 °C for 5−10 min.

4.7. Tensile test on strips of thickness less than 3.0 mm shall be carried out on samples of type I or type II according to GOST 11701.

Tensile test tape with a thickness of 3.0 mm and more should be carried out on samples of type I or II with the initial design length according to GOST 1497.

Allowed testing of ribbon samples having a width equal to the width of the produced band (), with an initial estimated length respectively and (is the cross-sectional area of the test tape).

Samples for test cut out along the direction of rolling.

(Changed edition, Rev. N 2).

4.8. The bend test is carried out according to GOST 14019 on samples cut along the direction of rolling.

4.9. Test the tape on the squeezing is carried out according to GOST 10510. The number of holes during the test of the three. The value of the extrusion at extrusion take the arithmetic mean of the obtained values of the deep holes.

Permitted for use as lubricant synthetic grease (GOST 4366).

(Changed edition, Rev. N 1, 2).

4.10. Camber shall be checked by combining the edges of the sample tape with a length of 1 m with a straight line. The measurement is performed in the place of the greatest curvature of the ruler according to GOST 427, a set of feeler gauges and other measuring instruments of appropriate accuracy.

(Changed edition, Rev. N 2).

4.11. The nonplanarity of the tape measure according to the method agreed between the manufacturer and the customer.

4.12. The magnitude of the residual deflection of the roll is determined by the ratio of the difference between the maximum and minimum values of the inner diameter of the coil to its nominal value in percent.

The inner diameter of the coil measured by the measuring scale (GOST 427), roulette (GOST 7502), thus the coil end is placed on a flat surface.

4.13. The grain size of ferrite is determined according to GOST 5639, structural-free cementite and banding — according to GOST 5640.

4.14. The chemical composition of the metal tape shall be certified by the manufacturer of the metal in the document about quality. If necessary, the chemical composition of the metal strip is determined according to GOST 22536.0 to GOST 22536.10.

(Changed edition, Rev. N 3).

4.15. Allowed to apply non-destructive control methods according to the methods agreed with the manufacturer and consumer.

4.16. Weighing of packages in the party, and if necessary, the rolls must be performed at the weights according to GOST 29329* or other scales, providing weighing accuracy to 1%.
______________
* On the territory of the Russian Federation GOST R 53228−2008. — Note the manufacturer’s database.

(Added, Rev. N 2).

5. PACKING, MARKING, TRANSPORTATION AND STORAGE

5.1. Each roll of ribbon should be tied in at least three areas of the soft metal ribbon or wire.

Allowed other ways of fastening the coils to ensure the density of the winding and secure clamping of the ends of the tape and dimensional stability of the coil during the transportation. When securing the ends of the coil are spot welded, the depth of penetration should not exceed two thicknesses of tape.

Fixing by spot welding the ends of the roll of tape designed for bearing industry, is not allowed.

At the request of the consumer securing of the ends of the rolls of tape 30 mm wide and more spot welding is not allowed.

(Changed edition, Rev. N 2).

5.2. The tape should be coated with a thin layer of inhibited lubrication, which protects the tape against corrosion.

Types of greases: a mixture of GSD and oil-12A AND I-20A GOST 20799 in the ratio of 1:1 mixture of NG-203A for OST 38.01436 and oil AND-or 18A-20A ratio 1:1 and grease K-17 graveyard 10877. Allowed other types of lubricants and other ratios of components of grease, providing protection against corrosion.

By agreement with the consumer allowed to cover the tape with grease or oil only face side of the roll.

(Changed edition, Rev. N 1).

5.3. Rolls of tape with a thickness of 0.20 mm or less, and at the customer’s request the thickness to 0.5 mm, inclusive, shall be wrapped in paper and packaged in rigid containers (wooden boxes, tins, containers) or stacked on a pallet, ensuring the safety of form rolls for transportation.

Tape with a thickness of 0.20 mm must be Packed.

(Changed edition, Rev. N 3).

5.3.1. During transportation on pallets made according to normative-technical documentation one of the following ways.

(Changed edition, Rev. N 2).

5.3.1.1. The rolls are laid on wooden or metal pallets in the stack (package) weight up to 1.25 T. the Coil or stack of coils should be wrapped with paper and fabric and attached to the pallet «under lock and key» at least three metal strips according to GOST 3560, or other regulatory-technical documentation.

Permitted to attach the roll or stack of rolls to the pallet with a soft metal wire according to GOST 3282 or other regulatory-technical documentation.

5.3.1.2. The rolls are laid on wooden or metal pallets in the stack (packets) weighing up to 6 t, while the lower roll is Packed with paper or paper and film. The foot is attached to the pallet «under lock and key» at least three metal strips according to GOST 3560, or other normative and technical documentation, and additionally, bypassing the sump, a fourth tape with attaching a metal label. Then the foot rolls wrapped with paper and non-conforming a metal sheet or a sheet obtained by welding substandard ribbon, and tied by forming one metal band «under the castle». On top of the stack of rolls is served with a metal lid, made of substandard sheet and having the shape of a circle with curved petals and a height of at least 50mm, and tied with «under the castle» on the petals one by a metal band. Packed foot tied with «under the castle» with two mutually perpendicular metal strips, one of which is attached metal label. Change the packaging while ensuring packaging quality and safety tape.

(Added, Rev. N 2).

5.3.2. During transportation without pallets rolls (packs) the tape should be wrapped in paper, then plastic film or cloth and sealed with a soft metal ribbon or wire in at least three places or by another method ensuring the safety of the package.

5.3.3. Mechanized packaging method.

5.3.3.1. The rolls of tape needs to be wrapped in paper BPC-40 (GOST 10396) or crepe paper, equal in protective properties, with simultaneous recording paper wire.

5.3.3.2. The rolls of tape must be covered with a removable film inhibited type «Simples».

5.3.3.3. The rolls of tape must be wrapped waste metal strip. Packing is fixed by welding around the perimeter of the roll.

5.3.3.4. The rolls of tape must be wrapped in paper and cloth.

(Changed edition, Rev. N 1).

5.3.4. In coordination with the consumer the ribbon of a thickness exceeding 0.20 mm is allowed to pack.

(Added, Rev. N 1).

5.3.4. When transporting tape with a thickness of 0.20 mm and less than pallets of the foot rolls are Packed in accordance with clause 5.3.1.1. Between the ends of the rolls should be laid strips of paper. The upper and lower rolls in the foot should be wrapped in paper and cloth in accordance with clause 5.3.1.1. Packaging paper and cloth each roll of ribbon in the foot.

Allowed the transport of the tape on the pallet with packing of the foot rolls in accordance with clause 5.3.1.2.

5.3.5. Allowed packing multiple coils into one package, subject to individual linkage of the coils in accordance with clause 5.1. Overall width must not exceed 250 mm.

5.3.6. The quality of packaging materials used:

— waxed paper (GOST 9569);

paper two-layer packing (GOST 8828);

— oiled paper, and other manufactured according to the current normative-technical documentation and providing protection from corrosion;

the polymer film (GOST 10354, GOST 16272) and another made according to the current normative-technical documentation;

packing holstoproshivny sheet (GOST of 14,253), fabric wrapping (GOST 5530);

— other types of packaging materials, except for cotton and linen fabrics and also stitched the flap of the waste of the textile industry.

5.3.4−5.3.6. (Changed edition, Rev. N 2).

5.4. Each roll or stack of rolls must be labeled, and the boxes are marked or labeled with the indication data characterizing the products:

— trademark or name and trademark of manufacturer;

— batch number;

— heat number;

— the legend of the tape;

— grade of steel.

(Changed edition, Rev. N 1, 2, 3).

5.5. The tape is transported by all kinds of transport in covered vehicles in accordance with cargo carriage regulations applicable to transport of this species.

Consolidation packages in overpacks shall be carried out according to GOST 21650, GOST 26663, GOST 24597. Allowed the formation of packages without the use of pallets.

Transportation of tape packages weighing up to 6 tons in metal packaging in accordance with clause 5.3.1.2 is made in open vehicles, in accordance with the technical conditions of loading and fastening of cargoes.

Allowed the transport of the tape in universal containers according to GOST 15102,20435 GOST, GOST 22225 and specialized containers.

(Changed edition, Rev. N 4).

5.6. Storage tape should be conducted in accordance with conditions 2 GOST 15150.

(Changed edition, Rev. N 2).

5.7. The tape is sent to the far North and equivalent areas, shall be Packed in accordance with the requirements of this standard.

5.8. Transport marking under GOST 14192.

5.7, 5.8. (Added, Rev. N 2).