产品简介 PRODUCT INTRODUCTION
中国标准 CHINESE STANDARDS
结构用无缝钢管
SEAMLESS STEEL TUBES FOR STRUCTURAL PURPOSES
标准 Standard:
GB/T8162…………中国国家标准China National Standards
用途Application:
适用于一般结构,机械结构用无缝钢管。
For common structures and mechanical structures.
主要生产钢管牌号 Main Steel Tube Grade:
10、20、35、45、16Mn、15CrMo、12Cr1MoV
化学成分、机械性能Chemical composition & Mechanical Properties
标准
Standard |
牌号
Grade
|
化学成分Chemical Composition(%)
|
机械性能Mechanical Properties
|
C
|
Si
|
Mn
|
P 、S
|
Cu
|
Ni
|
Mo
|
Cr
|
抗拉强度(Mpa)
Tensile trength
|
屈服强度(Mpa)
Yield Strength
|
伸长率(%)
Elongation
|
GB/T
8162
|
10
|
0.07
~0.14
|
0.17
~0.37
|
0.35
~0.65
|
≤0.035
|
≤0.25
|
≤0.25
|
|
≤0.15
|
≥335
|
≥205
|
≥24
|
20
|
0.17
~0.24
|
0.17
~0.37
|
0.35
~0.65
|
≤0.035
|
≤0.25
|
≤0.25
|
|
≤0.25
|
≥390
|
≥245
|
≥20
|
35
|
0.32
~0.40
|
0.17
~0.37
|
0.50
~0.80
|
≤0.035
|
≤0.25
|
≤0.25
|
|
≤0.25
|
≥510
|
≥305
|
≥17
|
45
|
0.42
~0.50
|
0.17
~0.37
|
0.50
~0.80
|
≤0.035
|
≤0.25
|
≤0.25
|
|
≤0.25
|
≥590
|
≥335
|
≥14
|
16Mn
|
0.12
~0.20
|
0.20
~0.55
|
1.20
~1.60
|
≤0.035
|
≤0.25
|
≤0.25
|
|
≤0.25
|
≥490
|
≥325
|
≥21
|
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
|
≥440
|
≥295
|
≥22
|
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
|
≥490
|
≥245
|
≥22
|