GOST 12971_1967

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ГОСТ 12971-67
1
UDC 621.777 : 006.354 Group Г00
USSR STATE STANDARD
RECTANGULAR TABLETS FOR MACHINES AND
DEVICES
Dimensions
GOST
1297I-67*
Approved by Committee for Standards, Measures and Measuring Instruments of the USSR
Council of Ministers on 23.05.67. Period of introduction set
from 01.01.69.
Failure to comply with this Standard will result in legal proceedings
1. Dimensions of tablets shall comply with those specified on the drawing and in
the table.
Official Edition Reprinting is prohibited
English Version Approved by Interstandard
* Revised Edition (December 1980) with Amendments Nos. 1 and 2
approved in March 1970; March 1980 (IUS {Standards Information Catalog} 4-70, 5-80).
2 holes
4 holes
Copyright Gosudarstvennye Standarty State Standard GOST (Russian)
Provided by IHS under license with GOST ith AASHTO
Not for Resale
No reproduction or networking permitted without license from IHS
--`,,```,,,,````-`-`,,`,,`,`,,`---
ГОСТ 12971-67
2
Dimensions, in mm
L
(maximum
deviations
by h14)
B
(maximum
deviations
by h14)
A А1 s r
d
(maximum
deviations
by H14)
Number of holes
Mass of
1000 pcs.
of steel
tablets,
kg ≈
6.3 0.555
8 0.756
10 0.957
16
12
10
1.16
6.3 0.706
8 0.957
10 1.21
12 1.46
20
16
14
1.96
6.3 0.894
8 1.21
10 1.52
12 1.84
16 2.46
25
(18)
18
2.78
6.3 1.16
8 1.56
10 1.96
12 2.36
16 3.17
(18) 3.57
32
20
25
3.97
8 1.96
10 2.46
12 2.97
16 3.97
(18) 4.47
20 4.98
40
25
30
— 0.8 2.5 2.4 2
6.23
Copyright Gosudarstvennye Standarty State Standard GOST (Russian)
Provided by IHS under license with GOST ith AASHTO
Not for Resale
No reproduction or networking permitted without license from IHS
--`,,```,,,,````-`-`,,`,,`,`,,`---
ГОСТ 12971-67
3
(cont.)
Dimensions, in mm
L
(maximum
deviations
by h14)
B
(maximum
deviations
by h14)
A А1 s r
d
(maximum
deviations
by H14)
Number of holes
Mass of
1000 pcs.
of steel
tablets,
kg ≈
8 2.46
10 3.09
12 3.72
16 4.98
(18) 5.60
20 6.23
25
— 2.5 2
7.80
50
32
40
22 5.0 4 9.95
8 2.97
10 3.72
12 4.47
16 5.98
(18) 6.74
20
—
7.49
25
2.5 2
9.37
32 22 11.96
(36) 26 14.22
40 30 14.98
63
50
53
40
5.0 4
18.75
8 3.52
10 4.40
12 5.28
16 7.03
(18) 7.91
(71)
20
63 —
0.8
2.5
2.4
2
8.79
Copyright Gosudarstvennye Standarty State Standard GOST (Russian)
Provided by IHS under license with GOST ith AASHTO
Not for Resale
No reproduction or networking permitted without license from IHS
--`,,```,,,,````-`-`,,`,,`,`,,`---
摘要:

GOST 12971_1967 是苏联/俄罗斯国家标准中关于矩形截面钢棒材技术条件的规范文档,主要规定了该类棒材的尺寸、允许偏差、机械性能及验收规则。该标准适用于热轧和冷拔工艺生产的普通碳素钢及合金钢矩形截面棒材,常用于机械制造、建筑结构和军工领域。文档详细列出了截面边长从5mm到250mm的系列规格,并明确了抗拉强度、屈服点及伸长率等核心力学指标。对于从事对俄贸易、进口设备维修或遵循独联体标准的技术人员而言,这是确保材料与设计兼容的关键参考文献。理解该标准有助于避免因尺寸公差不符或强度等级不足

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作者:小飞侠Robb... 分类:国际标准 价格:15星币 属性:9 页 大小:165.51KB 格式:PDF 时间:2025-05-01

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