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Commonly used export standard stainless steel pipe sizes deviation table
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standard | OD tolerance | wall thickness tolerance | |||||||
size | deviation | size | deviation | ||||||
GB5310-1995 | ≤30 | ±0.20 | ±0.15 | 2~3 | +12%-10% | ±10% | |||
>30~50 | ±0.30 | ±0.25 | |||||||
>50 | ±0.80% | ±0.60% | >3 | ±10% | ±7.5% | ||||
GB/T14976-02 | 6~10 | ±0.20 | ±0.15 | ≤3 | ±14% | +12.5%-10% | |||
>10~30 | ±0.30 | ±0.20 | |||||||
>30~50 | ±0.40 | ±0.30 | >3 | +12.5%-10% | ±10% | ||||
>50 | ±0.90% | ±0.80% | |||||||
GB9948-88 | ≤30 | ±0.20 | ≤3 | +12%-10% | |||||
>30~50 | ±0.30 | ||||||||
>50 | ±0.80% | >3 | ±10% | ||||||
GB13296-91 | 8~30 | ±0.20 | 1.0~3.0 | +12%-10% | |||||
>30~50 | ±0.30 | ||||||||
>50 | ±0.80% | >3 | ±10% | ||||||
ASMESA213SA415 | <25.4 | 0.1 | -0.1 | ≤38.1 | 20% | 0 | |||
25.4~38.1 | 0.15 | -0.15 | |||||||
>38.1~<50.8 | 0.2 | -0.2 | |||||||
50.8~<63.5 | 0.25 | -0.25 | |||||||
63.5~<76.2 | 0.3 | -0.3 | >38.1 | 22% | 0 | ||||
76.2~<101.6 | 0.38 | -0.38 | |||||||
>101.6~190.5 | 0.38 | -0.64 | |||||||
>190.5~228.6 | 0.38 | -1.14 |
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