|
Standard：
GB3087 —— seamless steel pipe for low pressure boiler
GB5310 —— seamless steel pipe for high pressure boiler
GB/T8162—— seamless steel pipe for structure
GB/T8163—— seamless steel pipe for liquid transport
ASME SA106 ——Seamless Carbon Steel Pipe for high-temperature service
ASTM A106 —— Seamless Carbon Steel Pipe for High-Temperature Service
Main product:
10、20、20G、SA106B、SA106C、A106B
Mechanical properties:
standard
|
No.
|
T.S（MPa）
|
Y.S（MPa）
|
elongation（％）
|
Akv（J）
|
hardnedd
|
GB3087
|
10
|
335～475
|
≥195
|
≥24
|
|
/
|
20
|
410～550
|
≥245
|
≥20
|
|
/
|
GB5310
|
20G
|
410～550
|
≥245
|
≥24
|
≥35
|
/
|
GB/T8162
|
10
|
335
|
185～205
|
24
|
|
|
20
|
390
|
225～245
|
20
|
|
|
35
|
510
|
285～305
|
17
|
|
|
45
|
590
|
315～335
|
14
|
|
|
Q345
|
490
|
305～325
|
21
|
|
|
GB/T8163
|
10
|
335～475
|
195～205
|
24
|
|
|
20
|
410～550
|
235～245
|
20
|
|
|
Q295
|
430～610
|
285～295
|
22
|
|
|
Q345
|
490～665
|
315～325
|
21
|
|
|
ASME SA106
|
SA106B
|
≥415
|
≥240
|
≥22
|
≥35
|
/
|
SA106C
|
≥485
|
≥275
|
≥20
|
≥35
|
/
|
ASTM A106
|
A106 Gr.A
|
≥330
|
≥205
|
35 Longitudinal
|
|
|
25 lateral
|
A106 Gr.B
|
≥415
|
≥240
|
30 Longitudinal
|
|
|
16.5 lateral
|
A106 Gr.C
|
≥485
|
≥275
|
30 Longitudinal
|
|
|
16.5 lateral
|
chemical constitution:
standard
|
No.
|
chemical constitution（％）
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
Cu
|
Ni
|
V
|
GB3087
|
10
|
0.07～0.13
|
0.17～0.37
|
0.38～0.65
|
≤0.030
|
≤0.030
|
0.3～0.65
|
/
|
≤0.25
|
≤0.30
|
/
|
20
|
0.17～0.23
|
0.17～0.37
|
0.38～0.65
|
≤0.030
|
≤0.030
|
0.3～0.65
|
/
|
≤0.25
|
≤0.30
|
/
|
GB5310
|
20G
|
0.17～0.24
|
0.17～0.37
|
0.35～0.65
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.15
|
≤0.20
|
≤0.25
|
≤0.08
|
ASME SA106
|
SA106B
|
0.17～0.25
|
≥0.1
|
0.70～1.00
|
≤0.030
|
≤0.030
|
≤0.035
|
|
|
|
|
ASTM A106
|
A106 Gr.A
|
≤0.25
|
≤0.10
|
0.27～0.93
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
≤0.08
|
A106 Gr.B
|
≤0.30
|
≤0.10
|
0.29～1.06
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
≤0.08
|
A106 Gr.C
|
≤0.35
|
≤0.10
|
0.29～1.06
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
≤0.08
|
| 
