STANDARD
GB3087 ——Seamless Steel Pipe For Low and Medium Pressure Boiler
GB5310 ——Seamless Steel Pipe For High Pressure Boiler
GB/T8162——Seamless Pipe For Structural
GB/T8163——Seamless Pipe For Fluid
ASME SA106 ——Seamless Carbon Steel Pipe for high-temperature service
ASTM A106 —— Seamless Carbon Steel Pipe for High-Temperature Service
GRADE
10、20、20G、SA106B、SA106C、A106B、A106C
MECHANICAL PROPERTIES
STANDARD
GRADE
TENSILE STRENGTH(MPA)
MIN YIELD POINT(MPA)
ELONGATION (%)
IMPACT ENERGY(J)
HB
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
Transverse
A106 Gr.B
≥415
≥240
30 Longitudinal
16.5 Transverse
A106 Gr.C
≥485
≥275
30 Longitudinal
16.5 Transverse