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冷軋鋼板的理論質量
|
厚度 ／mm |
理論質量 ／(kg/m2) |
厚度 ／mm |
理論質量 ／(kg/m2) |
厚度 ／mm |
理論質量 ／(kg／m2) |
|
0.20 |
1.570 |
0.90 |
7.065 |
2.5 |
19.625 |
|
0.25 |
1.936 |
1.00 |
7.850 |
2.8 |
21.980 |
|
0.30 |
2.355 |
1.1 |
8.635 |
3.0 |
23.550 |
|
0.35 |
2.748 |
1.2 |
9.420 |
3.2 |
25.120 |
|
0 40 |
3.140 |
1.3 |
10.205 |
3.5 |
27.475 |
|
0.45 |
3.533 |
1.4 |
10.990 |
3.8 |
29.830 |
|
0.55 |
4.318 |
1.5 |
11.775 |
3.9 |
30.615 |
|
0.60 |
4.710 |
1.6 |
12.560 |
4.0 |
31.400 |
|
0.65 |
5.103 |
1.7 |
13.345 |
4.2 |
32.970 |
|
0.70 |
5.495 |
1.8 |
14.130 |
4.5 |
35.325 |
|
0.75 |
5.888 |
2.0 |
15.700 |
4.8 |
37.680 |
|
0.80 |
6.280 |
2.2 |
17.270 |
5.0 |
39.250 |
(2)允許偏差
冷軋鋼板和鋼帶的厚度允許偏差
|
公稱厚度／mm |
厚度允許偏差／ mm | |||
|
A級精度 |
B級精度 | |||
|
≤1500 |
>1500～2000 |
≤1500 |
>1500～2000 | |
|
0.20～0.50 |
±0.04 |
|
±0.05 |
|
|
>0.50～0.65 |
±0.05 |
|
±0.06 |
|
|
>0.65～0.90 |
±0.06 |
|
±0.07 |
|
|
>0.90～1.00 |
±0.07 |
±0.09 |
±0.09 |
±0.11 |
|
>1.10～1.20 |
±0.09 |
±0.10 |
±0.10 |
±0.12 |
|
>1.20～1.4 |
±0.10 |
±0.12 |
±0.11 |
±0.14 |
|
>1.4～1.5 |
±0.11 |
±0.13 |
±0.12 |
±0.15 |
|
>1.5～1.8 |
±0.12 |
±0.14 |
±0.14 |
±0.16 |
|
>1.8～2.0 |
±0.13 |
±0.15 |
±0.15 |
±0.17 |
|
>2.0～2.5 |
±0.14 |
±0.17 |
±0.16 |
±0.18 |
|
>2.5～3.0 |
±0.16 |
±0.19 |
±0.18 |
±0.20 |
|
>3.0～3.5 |
±0.18 |
±0.20 |
±0.20 |
±0.21 |
|
>3.5～4.0 |
±0.19 |
±0.21 |
±0.22 |
±0.24 |
|
>4.0～5.0 |
±0.20 |
±0.22 |
±0.23 |
±0.25 |
| ||