標(biāo)準(zhǔn)
GB/T8162-1999，ISO2937，ASTM A53，ASTM A106，JIS G 3441，BS EN 10210-1
用途
使用范圍包括用于一般結(jié)構(gòu)和機(jī)械結(jié)構(gòu)，大量用于建筑、機(jī)械、交通、航空、石油開采等行業(yè)的各種結(jié)構(gòu)管
型號
外徑10.0mm-168.3mm 厚度 1.0mm-20.0mm
尺寸公差
標(biāo)準(zhǔn) |
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 |
|||
力學(xué)性能
標(biāo)準(zhǔn) |
鋼級 |
抗拉強(qiáng)度(MPa) |
屈服強(qiáng)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 |
|||
