不銹鋼管的尺寸公差表
|              尺寸 標準  |                          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  |                          
  |         ||||
|              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  |         |
|              
  |                          30~50  |                          +4.00/-4.00  |                          S>3  |                          +12/-10  |         |||
|              
  |                          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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