Implementation Standards
GB/T8162-1999，ISO2937，ASTM A53，ASTM A106，JIS G 3441，BS EN 10210-1
Applicable Scope
The scope of use covers a wide range of structural and mechanical structures, and a large number of structural pipes used in construction, machinery, transportation, aviation, oil mining and other industries.
Chemical Composition
|
Standard
|
Grade
|
Chemical Composition
|
|||||||
|
C
|
Si
|
Mn
|
P、S
|
Cu
|
Ni
|
Mo
|
Cr
|
||
|
GB/T8162
|
10
|
0.07～0.14
|
0.17～0.37
|
0.35～0.65
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.15
|
|
20
|
0.17～0.24
|
0.17～0.37
|
0.35～0.65
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.25
|
|
|
35
|
0.32～0.40
|
0.17～0.37
|
0.50～0.80
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.25
|
|
|
45
|
0.42～0.50
|
0.17～0.37
|
0.50～0.80
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.25
|
|
|
16Mn
|
0.12～0.20
|
0.20～0.55
|
1.20～1.60
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.25
|
|
|
12CrMo
|
0.08～0.15
|
0.17～0.37
|
0.40～0.70
|
≤0.035
|
≤0.25
|
≤0.30
|
0.40～0.55
|
0.40～0.70
|
|
|
15CrMo
|
0.12～0.18
|
0.17～0.37
|
0.40～0.70
|
≤0.035
|
≤0.25
|
≤0.30
|
0.40～0.55
|
0.80～1.10
|
|
|
12Cr1MoV
|
0.08～0.15
|
0.17～0.37
|
0.40～0.70
|
≤0.035
|
≤0.25
|
≤0.30
|
0.25～0.35
|
0.90～1.20[1]
|
|
Mechanical Property
Standard
Grade
Elongation（%）
GB/T8162
10
≥335
≥205
≥24
20
≥390
≥245
≥225
22
35
≥510
≥305
≥235
20
45
≥590
≥335
≥265
≥490
≥325
≥295
≥440
≥295
≥325
≥490
≥245
≥2
ASTM A53
ASME SA53
A
≥330
≥205
View the table of ASTM A53
View the table of ASME SA53
B
≥415
≥240
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