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不锈钢知识
常用各国不锈钢公差标准
发布时间：2012/11/11 作者：jc 点击量：3125次
无锡不锈钢-不锈钢知识解析
厚度的允许偏差
1、 中国国家标准(GB) 单位：mm
厚度 |
厚度允许偏差 | ||||
|
较高精度（A） |
一般精度（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、日本工业标准
|
厚 度 |
宽 度 | |
|
＜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、美国材料协会标准（ASTM）标准
|
厚 度 |
允许偏差 |
宽 度 | ||
|
上 |
下 |
≤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 |
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