不銹鋼管的尺寸公差表
| 尺寸 標(biāo)準(zhǔn) | 外徑（mm） | 壁厚（%） | 切割長度（mm） | ||||
| 尺寸 | 公差 | 尺寸(mm) | 公差 | 尺寸 | 公差 | ||
| GB/T14975-02 | 10~30 | +0.30/-0.30 | S≤3 | +14/-14 | 1.0~3.0 | +15/0 | |
| 30~50 | +0.40/-0.40 | S＞3 | +12/-10 |
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| D＞50 | +0.9%/-0.9% |
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| GB/T14976-02 | 6~10 | +0.20/-0.20 | 0.5~1.0 | +0.15/-0.15mm |
| +15/0 | |
| 10~30 | +0.30/-0.30 | 1.0~3.0 | +14/-14 | ||||
| 30~50 | +0.40/-0.40 | ＞3 | +12/-10 | ||||
| D＞50 | +0.9%/-0.9% |
| +12.5/-12.5 | ||||
| GB13296-91 | ≤140 | +1.25%/-1.25% | ≤10 | +15/-15 |
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| ＞140 | +1%/-1% | ＞10 |
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| ASTM213 | D＜25.4 | +0.10/-0.10 | D＜38.1 | +20/0 | D＜50.8 | +3.0/0 | |
| 25.4~38.1 | +0.15/-0.15 | ||||||
| 38.1~50.8 | +0.20/-0.20 | ||||||
| 50.8~63.5 | +0.25/-0.25 | D≥38.1 | +22/0 | D≥50.8 | +5.0/0 | ||
| 63.5~76.2 | +0.30/-0.30 | ||||||
| 76.2~101.6 | +0.38/-0.38 | ||||||
| 101.6~190.5 | +0.38/-0.64 | ||||||
| 190.5~228.6 | +0.38/-1.14 | ||||||
| ASTM A269 | D＜12.7 | +0.13/-0.13 |
| +15/-15 |
| +3.2/0 | |
| 12.7~38.1 | +10/-10 | ||||||
| 38.1~88.9 | +0.25/-0.25 | +4.8/0 | |||||
| 88.9~139.7 | +0.38/-0.38 | ||||||
| 139.7~203.2 | +0.76/-0.76 | ||||||
| ASTM A312 | 10.29~48.26 | +0.40/-0.80 |
| +12.5/-12.5 |
| +6.0/0 | |
| 48.26~114.30 | +0.80/-0.80 | ||||||
| 114.30~219.08 | +1.60 /-0.80 | ||||||
| 219.08~457.20 | +2.40/-0.80 | ||||||
| ASTM A789 | D≤12.7 | +0.13/-0.13 |
| +15/-15 |
| +3.0/0 | |
| 12.7~38.1 | +10/-10 | ||||||
| 38.1~88.9 | +0.25/-0.25 | +5.0/0 | |||||
| 88.9~139.7 | +0.38/-0.38 | ||||||
| 139.7~203.2 | +0.76/-0.76 | ||||||
| ASTM A790 | 10.29~48.26 | +0.40/-0.80 |
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| 48.26~114.3 | +0.80/-0.80 |
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| 114.3~219.08 | +1.60/-0.80 |
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| 219.08~457.20 | +2.40/-0.80 |
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| EN17455-02 | 10~30 | +0.30/-0.30 | S≤3 | +14/-14 | 1.0~3.0 | +15.0/0 | |
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| 30~50 | +4.00/-4.00 | S＞3 | +12/-10 | |||
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| D＞50 | +9%/-9% |
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| EN17456-02 | 6~10 | +0.20/-0.20 | 0.5~1.0 | +0.15/-0.15 |
| +15.0/0 | |
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| 10~30 | +0.30/-0.30 | 1.0~3 | +14/-14 |
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| 30~50 | +4.00/-4.00 | S＞3 | +12/-10 |
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| D＞50 | +0.9%/-0.9% |
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| EN10216-5 |
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