带宽度的允许偏差
1、 中国国家标准(GB4239-91)
1)宽度普通精度(P)允许偏差 单位:mm
|
边部 |
宽度 | |||
|
>250~400 |
>400~600 |
>600~1000 |
>1000~1250 | |
|
切边 |
+4.0,0 |
+5,0 |
+5,0 |
+5,0 |
|
不切边 |
+7,-3 |
+20,0 |
+25,0 |
+30,0 |
2)切边钢带宽度高级精度(K)允许偏差 单位:mm
|
边部 |
宽度 | ||
|
>250~400 |
>400~600 |
>600~1000 | |
|
0.05~0.50 |
±0.25 |
±0.30 |
±0.50 |
|
>0.50~1.00 |
±0.25 |
±0.30 |
±0.50 |
|
>1.00~1.50 |
±0.30 |
±0.40 |
±0.60 |
|
>1.50~2.50 |
±0.35 |
±0.50 |
±0.70 |
|
>2.50~4.00 |
±0.40 |
±0.50 |
±0.80 |
2、日本工业标准(JIS G4305-1998)
1)通常标准 单位:mm
|
边 缘 |
宽 度 | ||
|
≥630~<1000 |
≥1000~<1524 |
≥1524 | |
|
热轧边缘 |
+25,0 |
+30,0 |
+30,0 |
|
切 边 |
+5,0 |
+5,0 |
+10,0 |
2)特殊订货可以参考的标准 单位:mm
|
厚 度 |
宽 度 | ||
|
≥250~<400 |
≥400~<630 |
≥630~<1000 | |
|
<0.60 |
±0.25 |
±0.30 |
±0.50 |
|
≥0.60~<1.00 |
±0.25 |
±0.30 |
±0.50 |
|
≥1.00~<1.60 |
±0.30 |
±0.40 |
±0.60 |
|
≥1.60~<2.50 |
±0.35 |
±0.50 |
±0.70 |
|
≥2.50~<4.00 |
±0.40 |
±0.50 |
±0.80 |
3、美国材料协会标准(A480/A
|
厚度 |
宽度 | ||
|
>250~≤600 |
>600~≤1000 |
>1000~≤2100 | |
|
1.00 |
+0.7,0 |
+1.5,0 |
+2.0,0 |
|
1.50 |
+1.0,0 |
+1.5,0 |
+2.0,0 |
|
2.50 |
+1.2,0 |
+2.0,0 |
+2.5,0 |
|
3.50 |
+1.5,0 |
+3.0,0 |
+3.0,0 |
|
8.00 |
+2.0,0 |
+4.0,0 |
+4.0,0 |
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