The implementation standard of Q345B low alloy pipe is: GB/T1591-2008. Q345B low-alloy tube high-strength structural steel Low-alloy high-strength structural steel: the carbon content is 0.1%-0.25%, and the main alloying elements manganese, silicon, vanadium, niobium and titanium are added.
Chemical composition of Q345B low alloy pipe:
C: 0.12~0.20; Mn: 1.20~1.60; Si: 0.20~0.55; Tensile Strength: 470~660 N/mm²; Yield Strength: 275~345 N/mm²; Elongation: 21%. The specific value depends on the thickness or diameter of the steel. The above data corresponds to the thickness or diameter of the steel: 16~100mm.
Application of Q345B low alloy pipe: the special steel grade for bridges is "16Mnq", the special steel grade for automobile beams is "16MnL", and the special steel grade for pressure vessels is "16MnR".
Q345B low alloy pipe standard: GB8163-1999 (for conveying fluid) GB6479-2000 (seamless Steel pipe for high-pressure fertilizer equipment).
If you need to buy Q345B low alloy pipe, please contact us directly. We have own Q345B low alloy pipe factory, and can supply the good price. So please leave your requirements, the Q345B low alloy pipe size and quantity. We will contact you as soon as possible.
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