詳細(xì)說明
Product Name
Material
Standard
Specification
Application
Structure pipe
10# 20# 45# 27SiMnASTM A53A,B16Mn<q345a,b,c,d,e> 20Cr 40Cr 20CrMo 30-35CrMo 42CrMo
40Mn2 35Cr 35CrMoA
GB/T8162-2008GB/T17396-1998ASTM A53
∮8-1240*1-200
Apply to structure, engineering scaffolds, machining
Dimension tolerance:
Category
OD(D)
TH(S)
Cold drawn pipe
OD(mm)
Tolerance(mm)
TH(mm)
>30~50
±0.3
≤30
±10%
>50~219
±0.8%
Hot rolled pipe
>219
±1.0%
>20
Mechanical property:
Grade
Tensile strength(MPa)
Yield strength(MPa)
Elongation(%)
GB/T8162
10
≥335
≥205
≥24
20
≥390
≥245
≥20
35
≥510
≥305
≥17
45
≥590
≥14
Q345
≥490
≥325
≥21
15CrMo
≥440
≥295
≥22
12Cr1MoV
ASTM A53ASME SA53
A
≥330
According to ASTM A53According to ASME SA53
B
≥415
≥240
Chemical composition:
Chemical composition(%)
C
Si
Mn
P
S
Cu
Ni
Mo
Cr
V
0.07~0.14
0.17~0.37
0.35~0.65
≤0.035
≤0.25
/
≤0.15
0.17~0.24
0.32~0.40
0.50~0.80
0.42~0.50
0.12~0.20
0.20~0.55
1.20~1.60
0.12~0.18
0.40~0.70
≤0.30
0.40~0.55
0.80~1.10
0.08~0.15
0.25~0.35
0.90~1.20
0.15~0.30
ASTMA53ASMESA53
≤0.95
≤0.05
≤0.06
≤0.40
≤0.08
≤1.20
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