<br /> Q345B seamless steel pipe is a low alloy series, in the low alloy material, this material is the most common. Seamless steel pipes have a wide range of uses, and can be used to process mechani...

Q345B seamless steel pipe is a low alloy series, in the low alloy material, this material is the most common. Seamless steel pipes have a wide range of uses, and can be used to process mechanical parts, transport liquids or gases, make drive bearings, and build rigid structures.

Standard: GB/T8163
Equivalent Standard: EN102161, DIN1629
Material: Q345B
Equivalent Material: 16Mn, St52, E355, Q355

Chemistry Composition




Element
C
Si
Mn
Cr
Ni
S
P
Cu
Mo




%
0.20 max
0.50 max
1.70 max
0.30 max
0.50 max
0.035 max
0.035 max
0.30 max
0.10 max




Mechanical Properties


Tensile Strength, MPa: 470~630
Yield Strength, MPa: 345 min
Elongation, %: 20 min


Length
The typical length of the steel pipe is 3000mm~12000mm. After negotiation with clients, other lengths can be supplied.


Fixed length or multi-length ≤ 6000mm: +30/-0mm
Fixed length or multi-length > 6000mm: +50/-0mm



 

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