time2011/03/07
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Pipe/Tube Size Tolerances | ||||||
SPECIFICATION | OD (mm) | WT (mm) | LENGTH (mm) | |||
SIZE | PERMISSIBLE VARIATION | SIZE | PERMISSIBLE VARIATION | SIZE | PERMISSIBLE VARIATION | |
ASTM A312 | 10.29~48.26 | ?+ 0.4 / -0.8 | ± 12.5% | ?+ 6 /— 0 | ||
48.26~114.30 | ?+ 0.8 / -0.8 | |||||
114.30~219.08 | ?+1.6 / -0.8 | |||||
219.08~457.20 | ?+ 2.4 / -0.8 | |||||
ASTM A213 | <25.4 | ?+ 0.1 / -0.1 | D≤38.1 | ?+20% / —0 | D<50.8 | ?+3 /— 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 | D>38.1 | ?+22% /— 0 | D≥50.8 | ?+ 5 /— 0 | |
63.5~76.2 | ?+ 0.3 / -0.3 | |||||
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 | <12.7 | ?+ 0.19 / -0.13 | ± 15% | ?+ 3.2 / —0 | ||
12.7~38.1 | ± 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 | |||||
JIS G3459 | <30 | ?+ 0.3 / -0.3 | S<2 | ± 20% | ||
≥30 | ± 1% | S≥2 | ± 10% | |||
JIS G3463 | <40 | ?+ 0.25 / -0.25 | D<40 S<2 | ?+ 0.4 / —0 | D≤50, L≤7m | ?+ 7 /— 0 |
40~50 | D<50, L>7m | |||||
50~60 | ||||||
60~80 | ?+ 0.3 / -0.3 | D<40 S≥2 | ?+20% /— 0 | |||
80~100 | ?+ 0.4 / -0.4 | |||||
100~120 | ?+ 0.4 / -0.6 | D>50, L≤7m | ?+ 10 / —0 | |||
120~160 | ?+ 0.4 / -0.8 | D≥40 | ?+ 22% / —0 | D>50 L>7m | ||
160~200 | ?+ 0.4 / -0.6 | |||||
≥200 | ?+ 0.4 / -1.6 | |||||
GB/T 14975-02 | 10~30 | ?+ 0.3 / -0.3 | S≤3 | ± 14% | 1.0, 3.0 | ?+ 15 / —0 |
30~50 | ?+ 0.4 / -0.4 | S>3 | -0.012 | |||
>50 | ± 0.9% | |||||
GB/T 14976-02 | 6~10 | ± 0.2 | 0.5, 1.0 | ± 0.5 | +15 /—0 | |
10~30 | ± 0.3 | 1.0, 3 | ± 14% | |||
30~50 | ± 0.4 | S>3 | -0.012 | |||
>50 | ± 0.9% | |||||
GB 13296-91 | 8~30 | ± 0.2 | 1.0, 3 | -0.012 | ?+5 /—0 | |
30~50 | ± 0.3 | S>3 | ± 10% | |||
>50 | ± 0.8% | |||||
DIN17456 DIN17458 | D2 | ±1.0% ±0.2min | T3 | ±10%? 0.2min | D≤40; L 1m | ?+ 1 / —0 |
D≤40; L 1~2m | ?+ 2 / —0 | |||||
D3 | ±0.75% ±0.3min | D≤40; L 2~3m | ?+ 3 /— 0 | |||
D≤40; L 3~4m | ?+ 4 /— 0 | |||||
T4 | ±7.5%? 0.15min | D≤40; L 4~8m | ?+ 5 /— 0 | |||
D4 | ±0.5%? 0.1min | 40<D<168 | ||||
L≤6m | ?+ 5 /— 0 | |||||
L>6m | ?+ 10 /— 0 |
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