GOST 5210-95

• gost-5210-95.pdf (264.55 KiB)
  ГОСТ 5210-95

GOST 5210−95 the bars of tool steel for files, graters, chisels and kreytsmeyseliv. General specifications

GOST 5210−95

Group В32

INTERSTATE STANDARD

THE BARS OF TOOL STEEL FOR FILES, GRATERS, CHISELS AND KREYTSMEYSELIV

General specifications

Rolled sections of tool steel for files, graters, chisels and cape chisels. General specifications

ISS 77.140.35
OKP 09 6100

Date of introduction 1997−01−01

Preface

1 DEVELOPED by Ukrainian State scientific-research Institute of special steels, alloys and ferroalloys (Ukrniispetsstal)

SUBMITTED to the State Committee of Ukraine for standardization, Metrology and certification

2 ADOPTED by the Interstate Council for standardization, Metrology and certification (Protocol No. 7 of April 26, 1995)

The adoption voted:

The name of the state	The name of the national authority for standardization
The Republic Of Azerbaijan	Azgosstandart
The Republic Of Belarus	Belstandart
The Republic Of Kazakhstan	Gosstandart Of The Republic Of Kazakhstan
Russian Federation	Gosstandart Of Russia
The Republic Of Uzbekistan	Standards
Ukraine	Gosstandart Of Ukraine

3 Decree of the Russian Federation Committee on standardization, Metrology and certification dated June 19, 1996, 410 N interstate standard GOST 5210−95 introduced directly as state standard of the Russian Federation from January 1, 1997

4 REPLACE GOST 5210−82

5 REISSUE

1 Scope

This standard applies to hot rolled, calibrated cold drawn or cold rolled special profiles made of tool steel, designed for the manufacture of files, rasps, chisels and kreytsmeyseliv.

2 NORMATIVE REFERENCES

The present standard features references to the following standards:

GOST 1051−73 rental calibrated. General specifications

GOST 1435−99 Bars, strips and reels of tool unalloyed steel. General specifications

GOST 5950−2000 Bars and strips of tool alloyed steel. General specifications

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

3 MAIN PARAMETERS AND DIMENSIONS

3.1 Types and dimensions of profiles must be as specified in table 1.

Table 1

Profile number	The cross section of the profile	The dimensions of the profile cross section, mm						The cross-sectional area of profile, mm	Weight of 1 m length of section, kg
1	2	3	4	5	6	7	8	9	10
1		12,0	2,5					30,00	0,235
		12,0	3,0					36,00	0,283
		12,5	3,5					43,75	0,343
		16,0	4,0					64,00	0,502
		20,0	5,0					100,00	0,785
		20,0	6,5					130,00	1,020
		25,0	6,0					150,00	1,177
		25,0	6,5					162,50	1,276
		25,0	7,5					187,50	1,471
		30,0	6,5					Of 195.00	1,530
		30,0	8,0					240,00	1,884
		30,0	8,5					255,00	2,002
		34,0	7,5					255,00	2,002
		35,0	7,5					262,50	2,061
		39,0	8,0					312,00	2,449
		39,0	9,0					Of 351.00	2,755
		44,0	9,0					Of 396.00	3,109
		48,0	10,0					480,00	3,768
2		10,5	3,0					21,00	0,164
		11,0	5,5					47,49	0,373
		12,5	4,0					33,33	0,262
		16,0	4,5					48,00	0,377
		16,0	6,0					64,00	0,502
		20,0	6,0					80,00	0,628
		21,0	7,5					105,00	0,824
		25,0	7,0					116,67	0,916
		25,0	8,5					141,66	1,172
		30,0	8,5					170,00	1,334
		30,0	10,0					200,00	1,570
		35,0	10,0					233,33	1,832
		40,0	11,0					293,33	2,303
		45,0	13,0					390,00	3,061
3					4,0			12,56	0,099
					5,0			Of 19.63	0,154
					6,0			Of 28.27	0,222
					6,5			33,17	Is 0.260
					7,5			Of 44.16	0,347
					9,5			70,84	0,556
					11,5			103,81	0,814
					12,0			113,04	0,887
					13,5			143,06	1,123
					14,0			153,97	1,209
					15,0			176,62	1,386
					16,0			200,96	1,577
					18,0			254,34	1,997
4		4,0						16,00	0,126
		5,0						25,00	0,196
		6,0						36,00	0,283
		8,0						64,00	0,502
		10,0						100,00	0,785
		12,0						144,00	1,130
		14,0						Of 196.00	1,539
		15,0						Of 225.00	1,766
		16,0						256,00	2,010
		18,0						Of 324.00	2,543
5		7,5						Of 24, 36	0,191
		8,0						27,71	0,217
		9,0						Of 35.07	0,275
		10,0						For Studio 43.30	0,340
		11,0						52,39	0,411
		12,0						62,35	0,489
		13,0						73,18	0,574
		15,0						97,43	0,765
		17,5						132,45	1,039
		18,0						140,30	1,101
		20,0						Of 173.00	1,358
		21,0						190,96	1,499
		24,0						249,42	1,958
		27,0						315,67	2,478
6		13,0	3,0					From 24,21	0,190
		14,0	5,0					52,85	0,415
		15,0	3,5					32,81	0,258
		18,0	4,0					43,65	0,343
		22,0	5,0					67,65	0,531
		27,0	6,5					111,71	0,877
		33,0	7,5					152,21	1,195
7		12,50	3,25					20,31	0,159
		16,00	Of 4.00					32,00	0,251
		19,00	5,00					47,50	0,373
		25,00	6,50					A total of 81.25	0,638
		32,00	8,00					128,00	1,005
8		18,0	3,0					52,06	0,409
9		22,0	5,5	4,0				110,00	0,864
		27,0	7,0	5,0				Of 171.00	1,342
10		19,0	5,0			1,5		61,75	Appears to be 0.485
		24,0	7,0			1,5		Of 102.00	0,801
11		10,0	8,0				5,0	Of 71.00	0,553
		12,0	8,0				6,0	80,00	0,628
		16,0	10,0				8,0	Of 145.00	1,138
		20,0	12,0				10,0	216,00	1,696
		25,0	16,0				12,0	352,00	2,763
		30,0	18,0				15,0	480,00	4,239
		32,0	20,0				16,0	Of 570.00	4,474
Note — the cross-sectional Area of the profile and weight of 1 m length is calculated based on nominal size. The density of steel is equal to 7.85 g/cm.

3.2 Profiles N 1−10 accuracy rolling are divided into groups:

high — A;

high — B;

normal — V.

3.3 tolerances for any cross section profiles N 1−10 shall be as specified in table 2.

Table 2

In millimeters

Precision rolling (group)	Limit deviation
	the size and			size , and
	to 12	St. 12 to 22 incl.	St. 22	to 3.5	St. 3.5 to 6 incl.	St. 6
And	+0,2	+0,3	-	+0,2	+0,2	-
B	+0,3	+0,4	+0,6	+0,25	+0,3	+0,35
In	+0,4	+0,6	+0,9	+0,3	+0,4	+0,50

Limit deviations of the dimensions of the profile cross section N 11 must not exceed:

mm — at up to 32 mm;

mm — at up to 16 mm;

mm — at more than 16 to 20 mm.

3.4 hot rolled special profiles are made in bars dimensional (MD) or fold (KD) of length from 2 to 6 m.

It is possible to manufacture profiles not shorter than 1.5 m but not more than 10% of the batch weight.

Limit deviations of the length of bars should not exceed +50 mm.

3.5 the Curvature of bars should not exceed:

for profile N 1 of the plane is 0.5%, the edge — 0.2% of the length;

— for profiles of N 2, 6, 8 and 9 for plane — 0,6%, according to the edge — 0.2% of the length;

— for profiles 3 and 4, N — 0.5% of the length;

— for profiles N 5, 7 and 10 0,6% length;

— profile N 11 on the plane — 0,6%, according to the edge — 0,4% of the length.

3.6 the Radii of curvature of the ribs of the profile should not exceed 0.5 mm.

3.7 Have a rhombic profile N 7 and 10, the difference between the sides forming the obtuse angle should not exceed 0.5 mm.

3.8 Deviations from the correct geometric shape of the cross section profile roundness, thickness variation, Combichrist (difference of diagonals), misalignment, convexity planes must be within the range not exceeding the allowable deviation in size. The concavity of the planes is not allowed.

Recommendations for use

Rental of non-alloy and alloy tool steel is used in the manufacture of:

— the file — of steel grades U12, U12A, Y13, У13А, 13X profiles N 1, 2, 3, 4, 5, 6, 7, 8 and 10;

— rasps of steel grades u7, U7A, U8, U8A, U10, U10A, U12, U12A;

— chisels — from steel grades U7A, U8A, 8KHF;

— kreytsmeyseliv — of steel grades U7A, U8A, 8KHF.

Example of designation profile N 1, the usual accuracy of rolling In, length 3000 mm, size () 312, brand 112:

Profile N 1 In-MD-3123000−112 GOST 5210−95

4 GENERAL TECHNICAL REQUIREMENTS

4.1 characteristics of basic performance

4.1.1 hot rolled special profiles N 1−10 are made of tool unalloyed steel grades u7, U7A, U8, U8A, U10, U10A, U12, U12A, Y13, У13А with the chemical composition according to GOST 1435 (groups 1 and 3) and of alloy tool steels in grades X and 13X with the chemical composition according to GOST 5950.

Profile 11 N are made of steel grades u7, U7A, U8, U8A of the chemical composition of the churchyard 1435 and steel grades 4KHS, 6KHS, and 8KHF with the chemical composition according to GOST 5950.

4.1.2 hire produce the usual precision and rolling. Rentals are made without heat treatment.

4.1.3 the ends of the rods need to be trimmed or cut without burrs and shavings.

4.1.4 surface rental allowed the local defects, if the depth does not exceed half of the dimension tolerance.

4.1.5 Depth bezoperatsionnogo layer should not exceed the side to be rolled to a diameter or a side of a square, triangle or thick:

— up to 15 mm — 0.25 mm;

— exceeding 15 mm — 0.40 mm.

4.2 Characteristics established by the customer and agreed with the producer under the contract, the ordering

4.2.1 hire with precision rolling groups A and B.

4.2.2 tolerances for the dimensions of the cross section of rolled special profiles N 1−10 with precision rolling group must not exceed:

+0,6 mm in size and up to 12 mm;

+0,7 mm in size and from 12 to 22 mm.

4.2.3 rental exact or multiple lengths.

4.2.4 the Radii of curvature of the ribs of the profiles should not exceed 1 mm.

4.2.5 rental with narrowed limits of the mass fraction of individual elements in comparison with the requirements of GOST and GOST 1435 5950.

4.2.6 rental of tool unalloyed steel with a mass fraction of chromium of 0.30% to 0.50% in the steels of the 3rd group of GOST 1435.

4.2.7 rolled steel 8KHF without vanadium. In this case, the steel must be denoted by 8X.

4.2.8 rolled steel 8KHF with a mass fraction of sulfur and phosphorus not more than 0,020% (of each object), and Nickel — 0,20%.

4.2.9 hot rolled, calibrated and cold-drawn or cold-rolled heat-treated with hardness according to GOST 1435 for instrumental and non-alloy steel GOST 5950 for tool steel alloy.

4.2.10 rental restriction lower and upper limits of hardness.

4.2.11 At the ends chopped off, or clipped bars allowed to collapse.

The length of the folded ends should not exceed:

1.5 diameter or thickness for profiles with a diameter or thickness up to 10 mm;

— 40 mm for profiles diameter or thickness of from 10 to 60 mm.

Delivery of bars with no deburring or removing it from one end.

4.2.12 rolled calibrated cold-drawn or cold-rolled, with surface quality group B, GOST 1051.

4.2.13 rental of tool unalloyed heat-treated steel to control the microstructure according to GOST 1435.

4.2.14 rolled heat-treated tool steel alloy with controlled microstructure according to GOST 5950.

4.2.15 rolled special profiles precision-rolled in groups A and B, depth bezoperatsionnogo layer the diameter of the circle, square, triangle and the thickness of the strip:

— up to 15 mm — 0.20 mm;

— exceeding 15 mm — no more than 0.35 mm.

4.2.16 rental of tool unalloyed steel control fracture or macrostructure according to GOST 1435.

4.2.17 hire, tool steel alloy with controlled macrostructure churchyard 5950.

4.2.18 rental with control of grain size of austenite in the tempered condition according to GOST 5950.

4.2.19 hire a hardenability not lower the score II according to GOST 1435.

4.3 Labeling, packaging

4.3.1 Labeling, packaging — according to GOST 7566 with the addition of:

labeling, packaging, calibrated rolled — GOST 1051.

4.3.2 Shortened rods should be tied in a separate bundle.

5 ACCEPTANCE RULES

5.1 acceptance Rules rolled special profiles made of non-alloy tool steel — GOST 1435, alloy tool steel according to GOST 5950.

5.2 rental take parties. The party should consist of special profiles, one bottoms, one size, one mode of heat treatment and one surface quality.

6 METHODS TO CONTROL

Methods of control of rolled special profiles made of non-alloy tool steel — GOST 1435, alloy tool steel according to GOST 5950.

7 TRANSPORTATION AND STORAGE

7.1 Transportation and storage — by GOST 7566.

7.2 rolled special profiles must be stored in closed warehouses.

8 MANUFACTURER’S WARRANTY

8.1 the Manufacturer guarantees the conformity of the rental requirements of this standard under the conditions of transportation and storage.

8.2 the Warranty period of storage in closed warehouses is not limited.