国内国际尺寸公差对照
Comparison between domestic and international size deviations
|
尺寸（SIZE）
标准(SPECIFICATION) |
外径尺寸
SIZE |
外径允许偏差
PERMISSIBLE VARIATION |
外径尺寸
SIZE |
壁厚允许偏差
PERMISSIBLE VARIATION |
尺寸
SIZE |
允许偏差
PERMISSIBLE VARIATION |
GB/T14975-2002 |
[10,30] |
+0.30/-0.30 |
S≤3 |
(+,-)14% |
[1.0,30.] |
+15/-0 |
(30,50] |
+0.40/-0.40 |
S>3 |
(+12%/-10% |
D>50 |
(+,-)0.9% |
|
|
GB/T14976-2002 |
[6,10] |
+0.20/-0.20 |
(0.5,1.0) |
(+,-)0.15 |
|
+15/-0 |
(10,30] |
+0.30/-0.30 |
(1.0,3) |
|
(30,50] |
+0.40/-0.40 |
S>3 |
(+12%/-10% |
D>50 |
(+,-)0.9% |
|
|
GB13296-2007 |
[6,30] |
+0.15/-0.20 |
D≤38 |
|
|
+10/-0 |
(30,50] |
+0.30/-0.30 |
D>38 |
+20/-0% |
|
D>50 |
(+,-)0.75% |
|
+22/-0% |
|
ASTM A213 |
D<25.4 |
+0.10/-0.10 |
D≤38.1 |
+20%/-0 |
D<50.8 |
+3/-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 |
+20%/-0 |
D≥50.8 |
+5/-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% |
|
+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 |
ASTM A312 |
[10.29,48.26] |
+0.40/-0.80 |
|
10. 29～73.03? +20%-12.5%
88.90～762.00 t/D≤5%? +22%-12.5%
88.90～762.00 t/D≤5%?? +15%-12.5%
>508.00
t/D焊接管式更大所有比例? +17.5%-12.5% |
|
+6/-0 |
(48.26,114.30] |
+0.08/-0.80 |
(114.30,219.08] |
+1.6/-0.80 |
(219.08,457.20] |
+2.40/-0.80 |
JIS G3459 |
D<30 |
+0.30/-0.30 |
S<2 |
(+,-)20 |
|
|
D≥30 |
+1%-1% |
S≥2 |
(+,-)10% |
|
|
JIS G3463 |
D<40 |
+0.25/-0.25 |
D<40:S<2 |
+0.40/-0 |
D≤50:L≤7 |
+7/-0 |
[40,50) |
D<50:L>7 |
长度每增加３M或
其零数在上面的正
允许偏差加上３mm，
最大15mm |
[50,60) |
[60,80) |
+0.30/-0.30 |
D<40:S≥2 |
+20%/-0 |
[80,100) |
+0.40/-0.40 |
[100,120) |
+0.40/-0.60 |
D>50:L≤7 |
+10/-0 |
[120,160) |
+0.40/-0.80 |
D≥40 |
+22%/-0 |
D>50:L>7 |
与D<50:L≥7m
内容相同 |
[160,200) |
+0.40/-0.60 |
D≥200 |
+0.40/-1.60 |
DIN17456
DIN17458 |
D2 |
(+,-)1.0%(+,-)0.5min |
T3 |
(+,-)10% 0.2min |
D≤40:L 1m
D≤40:L:(1-2]m
D≤40:L:(2-3]m
D≤40:L:(3-4]m
D≤40:L:(4-8]m |
+1/-0 |
+2/-0 |
D3 |
(+,-)0.75%(+,-)0.3min |
+3/-0 |
T4 |
(+,-)7.5% 0.15min |
+4/-0 |
+5/-0 |
D4 |
(+,-)5% 0.1min |
40<D<168 |
|
L≤6m |
+5/-0 |
L>6m |
+10/-0 |
ASTM A511
TABLE3 |
D<12.7 |
+0.13/-0.13 |
|
(+,-)15% |
|
+3.2/-0 |
[12.7,38.1) |
(+,-)10% |
+4.8/-0 |
[38.1,88.9) |
+0.25/-0.25 |
[88.9,139.7) |
+0.38/-0.38 |
[139.7,203.2) |
+0.76/-0.76 |
[203.2,219.8) |
+1.14/-1.14 |
[219.8,323.85] |
+1.57/-1.57 |
ASTM A511
TABLE4 |
D≤76.2 |
+0.56/-0.58 |
S≤2.77 |
(+,-)16.5% |
|
+4.76/-0 |
2.77<S≤4.37 |
(+,-)15% |
4.37<S≤5.16 |
(+,-)14% |
S>5.16 |
(+,-)12.5% |
(76.2,139.7] |
+0.79/-0.79 |
S≤2.77 |
(+,-)16.5% |
|
2.77<S≤4.37 |
(+,-)15% |
4.37<S≤5.16 |
(+,-)14% |
S>5.16 |
(+,-)12.5% |
(139.7,203.2] |
+1.19/-1.19 |
4.37<S≤5.16 |
(+,-)14% |
|
S>5.16 |
(+,-)12.5% |
|
|
