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|
標準 |
外徑公差 |
厚壁公差 | ||
|
GB/T 8162 |
D<50 |
±0.50mm |
S<4mm |
±12.5% |
|
D≥50 |
±1% |
4-20mm |
+15/-12.5% | |
|
S≥20mm |
±12.5% | |||
|
DIN1629 |
D50 |
±0.50mm |
S2Sn |
+15/-10% |
|
D48.3 |
±1% |
2SnS4Sn |
+12.5/-10% | |
|
S4Sn |
±9% | |||
|
ASTM A53 |
D<48.3 |
±0.4/-0.79mm |
±12.5% | |
|
D≥48.3 |
±1% | |||
|
ASTM A106 |
D<48.3 |
±0.4/-0.79mm |
±12.5% | |
|
D48.3-114.3 |
±0.79mm | |||
|
D≥114.3 |
±1.59/-0.79mm | |||
|
標準 |
鋼級 |
抗拉強度(MPa) |
屈服強度(MPa) |
延伸率 | |
|
<16mm |
16-30mm | ||||
|
GB/T 8162 |
10 |
335 |
205 |
195 |
24 |
|
20 |
390 |
245 |
235 |
20 | |
|
35 |
510 |
305 |
295 |
17 | |
|
45 |
590 |
335 |
325 |
14 | |
|
16Mn |
490 |
325 |
315 |
21 | |
|
DIN 1629 |
ST35 |
345-460 |
235 |
225 |
25 |
|
ST45 |
440-550 |
255 |
245 |
21 | |
|
ST55 |
540-645 |
295 |
285 |
17 | |
|
ST52 |
490-630 |
355 |
345 |
22 | |
|
ST45 |
590-730 |
335 |
325 |
14 | |
|
ASTM A53 |
A |
330 |
205 |
| |
|
B |
415 |
240 | |||
|
ASTM A106 |
A |
330 |
205 |
| |
|
B |
415 |
240 | |||
|
C |
485 |
275 | |||
