冷轧钢板和钢带的厚度允许偏差 (摘自 GB / T708 — 1988 )
|
公称厚度 / mm |
精度等级 |
|||
|
A 级精度 |
B 级精度 |
|||
|
公称宽度 / mm |
||||
|
≤ 1500 |
> 1500 ~ 2000 |
≤ 1500 |
> 1500 ~ 2000 |
|
|
厚度允许偏差 / mm |
||||
|
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 . 10 |
± 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 |
