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|
标准 |
外径 |
壁厚 |
壁厚允许偏差 |
|
DIN17175 |
≤130 |
S≤2·Sn |
+15%,-10% |
|
2·Sn |
+12.5%,-10% | ||
|
S>4·Sn |
±9% | ||
|
>130 |
S≤0.05da |
+15%，-10% | |
|
0.05da |
±12.5% | ||
|
S>0.11da |
±10% | ||
|
GB3087 |
-- |
3-20 |
+12.5%,-12.5% |
|
>20 |
±10% | ||
|
ASME SA450 |
-- |
2.4-3.8 |
+35%,-0% |
|
>3.8-4.6 |
+35%,-0% | ||
|
>4.6 |
+23%,-0% | ||
|
ASME SA530 |
-- |
-- |
±12.5% |