EHA·DHB冷·热旋压（材质：碳素钢、低合金钢）
GB3274 适用材料（ Q235B ）
δs
\
Di |
4
|
6
|
8
|
10
|
12
|
14
|
16
|
18
|
20
|
22
|
24
|
26
|
28
|
30
|
35
|
40
|
45
|
50
|
750-999 |
2.9 |
4.7 |
6.2 |
8.0 |
9.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1000-1499 |
2.7 |
4.5 |
6.2 |
8.0 |
9.6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1500-1999 |
2.5 |
4.5 |
6.1 |
7.9 |
9.5 |
11.2 |
12.7 |
14.5 |
16.2 |
18.6 |
20.3. |
23.1 |
24.9 |
26.7 |
31.0 |
35.2 |
39.6 |
44.0 |
2000-2499 |
|
4.0 |
5.8 |
7.8 |
9.5 |
11.2 |
12.7 |
14.5 |
16.2 |
18.6 |
20.3 |
23.1 |
24.9 |
26.7 |
31.0 |
35.2 |
39.6 |
44.0 |
2500-2999 |
|
3.8 |
5.7 |
7.5 |
9.5 |
11.2 |
12.7 |
14.5 |
16.2 |
18.6 |
20.3 |
22.9 |
24.6 |
26.7 |
30.8 |
35.2 |
39.6 |
44.0 |
3000-3499 |
|
3.8 |
5.5 |
7.2 |
9.4 |
11.0 |
12.5 |
14.3 |
15.9 |
18.3 |
20.0 |
21.8 |
23.5 |
25.3 |
29.4 |
33.6 |
37.8 |
42.0 |
3500-3999 |
|
|
|
7.2 |
9.4 |
11.0 |
12.5 |
14.3 |
15.9 |
18.3 |
20.0 |
21.8 |
23.5 |
25.3 |
29.4 |
33.6 |
37.8 |
42.0 |
4000-4499 |
|
|
|
7.2 |
9.2 |
10.8 |
12.3 |
14.0 |
15.6 |
18.0 |
19.6 |
21.8 |
23.5 |
25.3 |
29.4 |
33.6 |
37.8 |
42.0 |
4500-4999 |
|
|
|
|
9.2 |
10.8 |
12.3 |
14.0 |
15.6 |
18.0 |
19.6 |
|
|
|
|
|
|
|
5000-5500 |
|
|
|
|
9.2 |
10.7 |
12.2 |
14.0 |
15.6 |
18.0 |
19.6 |
|
|
|
|
|
|
|
注：此最小厚度不区分冷、热旋压加工方法
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