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Product Name直缝焊管
Material
Standard
Specification
Application
ERW steel pipe
20# Q195 Q215A,B Q235A,B Q345A,B,C,D,E
GB/T13793-1992 GB3091-2001
∮32-630*1-30
Apply to structure support, low pressure fluid transport
Steel grade
Chemical composition
C
Mn
Si
Cu
Ni
Cr
Mo
V
P
S
ASTMA106/ ASMESA106
A
≤ 0.25
0.27 ~ 0.93
≥ 0.10
≤ 0.40
≤ 0.15
≤ 0.08
≤ 0.035
B
≤ 0.30
0.29 ~ 1.06
≤ 0.35
Mechanical property
Tensile strength (MPa)
Yield strength (MPa)
≥ 330
≥ 205
≥ 415
≥ 240
≥ 485
≥ 275
Note: ①If the carbon content decreasing by 0.01% on the specified maximum carbon content, the manganese content allowed to increase 0.06% on the specified maximum manganese carbon content. ②Cu+Ni+Cr+Mo+V≤1.00 Dimension tolerance:
Steel pipe
OD(D)
Thickness(S)
Cold drawn pipe
OD
Tolerance
TH
>30~50
+0.3%
≤25
+10%
>50~325
+0.8%
Hot rolled pipe
>6~168
+1.0%
-10%,+12.5%