|
热轧六角钢（GB/T705-1989）对边距离（MM） |
冷拉六角钢GB/T905 对边距离（MM） |
钢材国标长度 |
|
8 |
21 |
40 |
3 |
9 |
19 |
38 |
70 |
冷拉 |
全规格距离 |
2~6M |
|
9 |
22 |
42 |
3.2 |
9.5 |
20 |
40 |
75 |
热轧 |
边距≤25 |
4~10M |
|
10 |
23 |
45 |
3.5 |
10 |
21 |
42 |
80 |
边距>25 |
3~9M |
|
11 |
24 |
48 |
4 |
10.5 |
22 |
45 |
|
优质钢 |
全规格距离 |
2~7M |
|
12 |
25 |
50 |
4.5 |
11 |
24 |
48 |
|
工具钢 |
全规格距离 |
1~6M |
|
13 |
26 |
53 |
5 |
11.5 |
25 |
50 |
质量计算 |
|
14 |
27 |
56 |
5.5 |
12 |
26 |
52 |
|
|
15 |
28 |
58 |
6 |
13 |
28 |
55 |
|
16 |
30 |
60 |
6.3 |
14 |
30 |
56 |
|
17 |
32 |
63 |
7 |
15 |
32 |
60 |
|
18 |
34 |
65 |
7.5 |
16 |
34 |
63 |
|
19 |
36 |
68 |
8 |
17 |
35 |
65 |
|
20 |
38 |
70 |
8.5 |
18 |
36 |
67 |
|