热轧六角钢和八角钢的尺寸规格 ( 摘自 GB / T705 — 1989 )
( 表一 )
|
对边距离 S / mm |
允许偏差 / mm |
截面面积 A / cm2 |
理论重量 / kg · m - 1 |
||||
|
1 组 |
2 组 |
3 组 |
六角钢 |
八角钢 |
六角钢 |
八角钢 |
|
|
8 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
0 . 5543 |
— |
0 . 435 |
— |
|
9 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
0 . 7015 |
— |
0 . 551 |
— |
|
10 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
0 . 866 |
— |
0 . 680 |
— |
|
11 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
1 . 048 |
— |
0 . 823 |
— |
|
12 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
1 . 247 |
— |
0 . 979 |
— |
|
13 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
1 . 464 |
— |
1 . 15 |
— |
|
14 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
1 . 697 |
— |
1 . 33 |
— |
|
15 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
1 . 949 |
— |
1 . 53 |
— |
|
16 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
2 . 217 |
2 . 120 |
1 . 74 |
1 . 66 |
|
17 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
2 . 503 |
— |
1 . 96 |
— |
|
18 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
2 . 806 |
2 . 683 |
2 . 20 |
2 . 16 |
|
19 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
3 . 126 |
— |
2 . 45 |
— |
|
20 |
± 0 . 25 |
± 0 . 35 |
± 0 . 40 |
3 . 464 |
3 . 312 |
2 . 72 |
2 . 60 |
|
21 |
± 0 . 30 |
± 0 . 40 |
± 0 . 50 |
3 . 819 |
— |
3 . 00 |
— |
|
22 |
± 0 . 30 |
± 0 . 40 |
± 0 . 50 |
4 . 192 |
4 . 008 |
3 . 29 |
3 . 15 |
|
23 |
± 0 . 30 |
± 0 . 40 |
± 0 . 50 |
4 . 581 |
— |
3 . 60 |
— |
|
24 |
± 0 . 30 |
± 0 . 40 |
± 0 . 50 |
4 . 988 |
— |
3 . 92 |
— |
|
25 |
± 0 . 30 |
± 0 . 40 |
± 0 . 50 |
5 . 413 |
5 . 175 |
4 . 25 |
4 . 06 |
|
26 |
± 0 . 30 |
± 0 . 40 |
± 0 . 50 |
5 . 854 |
— |
4 . 60 |
— |
|
27 |
± 0 . 30 |
± 0 . 40 |
± 0 . 50 |
6 . 314 |
— |
4 . 96 |
— |
|
28 |
± 0 . 30 |
± 0 . 40 |
± 0 . 50 |
6 . 790 |
6 . 492 |
5 . 33 |
5 . 10 |
( 表二 )
|
对边距离 S / mm |
允许偏差 / mm |
截面面积 A / cm2 |
理论重量 / kg · m - 1 |
||||
|
1 组 |
2 组 |
3 组 |
六角钢 |
八角钢 |
六角钢 |
八角钢 |
|
|
30 |
± 0 . 30 |
± 0 . 40 |
± 0 . 50 |
7 . 794 |
7 . 452 |
6 . 12 |
5 . 85 |
|
32 |
± 0 . 40 |
± 0 . 50 |
± 0 . 60 |
8 . 868 |
8 . 479 |
6 . 96 |
6 . 66 |
|
34 |
± 0 . 40 |
± 0 . 50 |
± 0 . 60 |
10 . 011 |
9 . 572 |
7 . 86 |
7 . 51 |
|
36 |
± 0 . 40 |
± 0 . 50 |
± 0 . 60 |
11 . 223 |
10 . 731 |
8 . 81 |
8 . 42 |
|
38 |
± 0 . 40 |
± 0 . 50 |
± 0 . 60 |
12 . 505 |
11 . 956 |
9 . 82 |
9 . 39 |
|
40 |
± 0 . 40 |
± 0 . 50 |
± 0 . 60 |
13 . 86 |
13 . 25 |
10 . 88 |
10 . 40 |
|
42 |
± 0 . 40 |
± 0 . 50 |
± 0 . 60 |
15 . 28 |
— |
11 . 99 |
— |
|
45 |
± 0 . 40 |
± 0 . 50 |
± 0 . 60 |
17 . 54 |
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