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SIZE DEVIATION TABLE
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| Standard |
O.D.(mm) |
W.T.(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 |
D<25.4 |
+0.1/-0.1 |
D≦38.1 |
+20%/-0 |
t;50.8 |
+3/-0 |
| (25.4,38.1) |
+0.15/-0.15 |
| (38.1,50.8) |
+2/-0.2 |
| (50.8,63.5) |
+2.5/-0.25 |
t;38.1 |
+22%/-0 |
t;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 |
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 |
|
| JIS G3456 |
D<30 |
+0.3/-0.3 |
S<2 |
±20% |
|
|
| D≧30 |
±1% |
S≧2 |
±10% |
| JIS G3463 |
D<40 |
+0.25/-0.25 |
D<40;S<2 |
+0.4/0 |
D≦50;L>7 |
+7/-0 |
| (40,50) |
D<50;L>7 |
|
| (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 |
t;50;L≦7 |
+10/-0 |
| (120,160) |
+0.4/-0.8 |
D≧40 |
+22%/-0 |
t;50;L>7 |
the same as D<50;L≧7m |
| (160,200) |
+0.4/-0.6 |
| D≧200 |
+0.4/-1.6 |
| GB/T 14975-94 |
(10,30) |
+0.3/-0.3 |
S≦3 |
±14% |
[1.0,3.0] |
+15/-0 |
| (30,50) |
+0.4/-0.4 |
S>3 |
-1.2 |
| t;50 |
±0.9% |
|
|
| GB/T 14976-94 |
(6,10) |
+0.2/-0.2 |
(0.5,1.0) |
±0.15 |
|
+15/-0 |
| (10,30) |
+0.3/-0.3 |
(1.0,3) |
±14% |
| (30,50) |
+0.4/-0.4 |
S>3 |
-1.2 |
| t;50 |
±0.9% |
|
|
| GB13296-91 |
(8,30) |
+0.2/-0.2 |
[1.0,3.0] |
-1.2 |
|
+15/-0 |
| (30,50) |
+0.3/-0.3 |
S>3 |
±10% |
| t;50 |
±0.8% |
|
|
| DIN 17456 DIN17458 |
D2 |
±1.0%±0.5min |
T3 |
±10%0.2min |
D≦40;L 1m. |
+1/-0 |
| D≦40;L;(1-2]m. |
+2/-0 |
| D3 |
±0.75%±0.3min |
D≦40;L;(2- 3]m. |
+3/-0 |
| D≦40;L;(3-4]m. |
+4/-0 |
| T4 |
±7.5%0.15min |
D≦40;L;(4-8]m. |
+5/-0 |
| D4 |
±0.5%±0.1min |
40<D<168 |
|
| L≦6m |
+5/-0 |
| L>6m |
+10/-0 |
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