输送流体用无缝钢管
SEAMLESS STEEL TUBES FOR LIQUID SERVICE
标准 Standard:
GB/T8163…………中国国家标准China National Standards
用途Application:
用于石油、天然气输送以及其他一般流体输送。
For conveyance of petroleum、natural gas and other common fluids.
主要生产钢管牌号 Main Steel Tube Grade:
10、20、Q345等(etc)
经协商,也可供应其他牌号的钢管
Other grade can also be provided after consulting with customers.
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
|
Cr
|
Ni
|
Cu
|
抗拉强度(Mpa)
Tensile Strength
|
屈服强度(Mpa)
Yield Strength
|
伸长率(%)
Elongation
|
GB/T
8163
|
10
|
0.07
~0.14
|
0.17
~0.37
|
0.35
~0.65
|
≤0.035
|
≤0.15
|
≤0.25
|
≤0.25
|
335~475
|
≥205
|
≥24
|
20
|
0.17
~0.24
|
0.17
~0.37
|
0.35
~0.65
|
≤0.035
|
≤0.25
|
≤0.25
|
≤0.25
|
410~550
|
≥245
|
≥20
|
Q345
|
0.12
~0.20
|
0.20
~0.55
|
1.20
~1.60
|
≤0.045
|
_
|
_
|
_
|
490~665
|
≥325
|
≥21
|