Steel Pipes in stock
Material of steel pipes in stock: 20G.10#.20#.35#.45#.16Mn(Q345B .Q345C . Q345D. Q345E. Q355B).27SiMn.20Cr.40Cr.15CrMoG. 35CrMo.42CrMo.12Cr1MoVG and so on.
Standard
Structure steel pipe: GB/T8162-2018
Fluid steel pipe: GB/T8163-2018
Low pressure boiler steel pipe: GB/T3087-2008
High pressure boiler steel pipe: GB5310-2017