热轧钢板厚度的允许偏差 ( 摘自 GB / T709 — 1988 )
较高轧制精度
|
公称厚度 ( 钢板和钢带 ) / mm |
在下列宽度时的厚度允许偏差 / mm |
||||||
|
600 ~ 750 |
> 750 ~ 1000 |
> 1000 ~ 1500 |
1500 ~ 2000 |
> 2000 ~ 2300 |
> 2300 ~ 2700 |
> 2700 ~ 3000 |
|
|
> 0 . 35 ~ 0 . 50 |
± 0 . 05 |
± 0 . 05 |
- |
- |
- |
- |
- |
|
> 0 . 50 ~ 0 . 60 |
± 0 . 06 |
± 0 . 06 |
- |
- |
- |
- |
- |
|
> 0 . 60 ~ 0 . 75 |
± 0 . 07 |
± 0 . 07 |
- |
- |
- |
- |
- |
|
> 0 . 75 ~ 0 . 90 |
± 0 . 08 |
± 0 . 08 |
- |
- |
- |
- |
- |
|
> 0 . 90 ~ 1 . 10 |
± 0 . 09 |
± 0 . 09 |
- |
- |
- |
- |
- |
|
> 1 . 10 ~ 1 . 20 |
± 0 . 10 |
± 0 . 11 |
± 0 . 11 |
- |
- |
- |
- |
|
> 1 . 20 ~ 1 . 30 |
± 0 . 11 |
± 0 . 12 |
± 0 . 12 |
- |
- |
- |
- |
|
> 1 . 30 ~ 1 . 40 |
± 0 . 11 |
± 0 . 12 |
± 0 . 12 |
- |
- |
- |
- |
|
> 1 . 40 ~ 1 . 60 |
± 0 . 12 |
± 0 . 13 |
± 0 . 13 |
- |
- |
- |
- |
|
> 1 . 60 ~ 1 . 80 |
± 0 . 13 |
± 0 . 14 |
± 0 . 14 |
- |
- |
- |
- |
|
> 1 . 80 ~ 2 . 00 |
± 0 . 14 |
± 0 . 15 |
± 0 . 16 |
± 0 . 17 |
- |
- |
- |
|
> 2 . 00 ~ 2 . 20 |
± 0 . 15 |
± 0 . 16 |
± 0 . 17 |
± 0 . 18 |
- |
- |
- |
|
> 2 . 20 ~ 2 . 50 |
± 0 . 16 |
± 0 . 17 |
± 0 . 18 |
± 0 . 19 |
- |
- |
- |
|
> 2 . 50 ~ 3 . 00 |
± 0 . 17 |
± 0 . 18 |
± 0 . 19 |
± 0 . 20 |
± 0 . 23 |
- |
- |
|
> 3 . 00 ~ 3 . 50 |
± 0 . 18 |
± 0 . 19 |
± 0 . 20 |
± 0 . 22 |
± 0 . 26 |
- |
- |
|
> 3 . 50 ~ 4 . 00 |
± 0 . 21 |
± 0 . 22 |
± 0 . 24 |
± 0 . 26 |
± 0 . 30 |
- |
- |
|
> 4 . 00 ~ 5 . 50 |
+0 . 10 - 0 . 30 |
+0 . 15 - 0 . 30 |
+0 . 10 - 0 . 40 |
+0 . 20 - 0 . 40 |
+0 . 25 - 0 . 40 |
- |
- |
|
> 5 . 50 ~ 7 . 50 |
+0 . 10 - 0 . 40 |
+0 . 10 - 0 . 50 |
+0 . 10 - 0 . 50 |
+0 . 20 - 0 . 50 |
+0 . 25 - 0 . 60 |
- |
- |
|
> 7 . 50 ~ 10 . 0 |
+0 . 10 - 0 . 70 |
+0 . 10 - 0 . 70 |
+0 . 20 - 0 . 70 |
+0 . 20 - 0 . 70 |
+0 . 25 - 0 . 70 |
- |
- |
|
> 10 . 0 ~ 13 . 0 |
+0 . 10 - 0 . 70 |
+0 . 10 - 0 . 70 |
+0 . 20 - 0 . 70 |
+0 . 30 - 0 . 70 |
+0 . 35 - 0 . 70 |
- |
- |
普通轧制精度
|
公称厚度 ( 钢板和钢带 ) / mm |
在下列宽度时的厚度允许偏差 / mm |
||||||
|
600 ~ 750 |
> 750 ~ 1000 |
> 1000 ~ 1500 |
1500 ~ 2000 |
> 2000 ~ 2300 |
> 2300 ~ 2700 |
> 2700 ~ 3000 |
|
|
> 0 . 35 ~ 0 . 50 |
± 0 . 07 |
± 0 . 07 |
- |
- |
- |
- |
- |
|
> 0 . 50 ~ 0 . 60 |
± 0 . 08 |
± 0 . 08 |
- |
- |
- |
- |
- |
|
> 0 . 60 ~ 0 . 75 |
± 0 . 09 |
± 0 . 09 |
- |
- |
- |
- |
- |
|
> 0 . 75 ~ 0 . 90 |
± 0 . 10 |
± 0 . 10 |
- |
- |
- |
- |
- |
|
> 0 . 90 ~ 1 . 10 |
± 0 . 11 |
± 0 . 12 |
- |
- |
- |
- |
- |
|
> 1 . 10 ~ 1 . 20 |
± 0 . 12 |
± 0 . 13 |
± 0 . 15 |
- |
- |
- |
- |
|
> 1 . 20 ~ 1 . 30 |
± 0 . 13 |
± 0 . 14 |
± 0 . 15 |
- |
- |
- |
- |
|
> 1 . 30 ~ 1 . 40 |
± 0 . 14 |
± 0 . 15 |
± 0 . 18 |
- |
- |
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