Thickness standard
Commonly used stainless steel thickness tolerance standard comparison
Allowable deviation of steel strip thickness
1, China's national standard (GB) unit: mm
|
breadth thickness |
allowable thickness tolerance |
||
|
Higher accuracy (A) |
General accuracy (B) |
||
|
>600~1000 |
>1000~1250 |
>600~1250 |
|
|
0.05~0.10 |
---- |
---- |
---- |
|
>0.10~0.15 |
---- |
---- |
---- |
|
>0.15~0.25 |
---- |
---- |
---- |
|
>0.25~0.45 |
±0.040 |
±0.040 |
±0.040 |
|
>0.45~0.65 |
±0.040 |
±0.040 |
±0.050 |
|
>0.65~0.90 |
±0.050 |
±0.050 |
±0.060 |
|
>0.90~1.20 |
±0.050 |
±0.060 |
±0.080 |
|
>1.20~1.50 |
±0.060 |
±0.070 |
±0.110 |
|
>1.50~1.80 |
±0.070 |
±0.080 |
±0.120 |
|
>1.80~2.00 |
±0.090 |
±0.100 |
±0.130 |
|
>2.00~2.30 |
±0.100 |
±0.110 |
±0.140 |
|
>2.30~2.50 |
±0.100 |
±0.110 |
±0.140 |
|
>2.50~3.10 |
±0.110 |
±0.120 |
±0.160 |
|
>3.10~<4.00 |
±0.120 |
±0.130 |
±0.180 |
2、japanese industrial standards
| thickness | breadth |
|
|
<1250 |
≥1250~<1600 |
|
|
≥0.30~<0.60 |
±0.05 |
±0.06 |
|
≥0.60~<0.80 |
±0.07 |
±0.09 |
|
≥0.80~<1.00 |
±0.09 |
±0.10 |
|
≥1.00~<1.25 |
±0.10 |
±0.12 |
|
≥1.25~<1.60 |
±0.12 |
±0.15 |
|
≥1.60~<2.00 |
±0.15 |
±0.17 |
|
≥2.00~<2.50 |
±0.17 |
±0.20 |
|
≥2.50~<3.15 |
±0.22 |
±0.25 |
|
≥3.15~<4.00 |
±0.25 |
±0.30 |
|
≥4.00~<5.00 |
±0.35 |
±0.40 |
|
≥5.00~<6.00 |
±0.40 |
±0.45 |
|
≥6.00~<7.00 |
±0.50 |
±0.50 |
3、American Society for Materials Standards (ASTM) standards
thickness |
allowable deviation |
breadth | ||
| up | below |
≤1000 |
>1000~≤1300 |
|
|
0.10 |
0.03 |
0.03 |
||
|
0.15 |
0.04 |
0.04 |
||
|
0.20 |
0.05 |
0.05 |
||
|
0.25 |
0.05 |
0.05 |
||
|
0.30 |
0.03 |
--- |
||
|
0.40 |
0.04 |
0.04 |
||
|
0.50 |
0.08 |
0.08 |
||
|
0.50 |
0.045 |
0.05 |
||
|
0.60 |
0.05 |
0.05 |
||
|
0.75 |
0.10 |
0.10 |
||
|
0.80 |
0.05 |
0.05 |
||
|
1.00 |
0.13 |
0.13 |
||
|
1.00 |
0.055 |
0.06 |
||
|
1.20 |
0.08 |
0.08 |
||
|
1.25 |
0.13 |
0.13 |
||
|
1.50 |
0.08 |
0.08 |
||
|
1.75 |
0.15 |
0.15 |
||
|
2.00 |
0.18 |
0.18 |
||
|
2.00 |
0.10 |
0.10 |
||
|
2.25 |
0.20 |
0.20 |
||
|
2.50 |
0.23 |
0.23 |
||
|
2.50 |
0.10 |
0.11 |
||
|
2.75 |
0.25 |
0.25 |
||
|
3.00 |
0.25 |
0.25 |
||
|
3.00 |
0.13 |
0.13 |
||
|
3.25 |
0.30 |
0.30 |
||
|
3.50 |
0.30 |
0.30 |
||
|
3.75 |
0.36 |
0.36 |
||
|
4.00 |
0.36 |
0.36 |
||
|
4.00 |
0.17 |
0.17 |
||
|
4.99 |
0.36 |
0.36 |
||
|
5.00 |
0.17 |
0.17 |
||
|
6.00 |
0.17 |
0.20 |
||
|
8.00 |
0.17 |
0.22 |
||
