The kind of tempering, editing and broadcastingAccording to the different performance requirements of GB / t9711.1 pipeline steel pipes and the different temperi…   More>>

S235jr is a carbon structural steel with low carbon content, which is used for welding, bolt connection and riveting. It is mainly used for building, bridge, shi…   More>>

Chemical composition of 20 # steel pipe● chemical composition:Carbon C: 0.17 ～ 0.23 silicon Si: 0.17 ～ 0.37 manganese Mn: 0.35 ～ 0.65 sulfur s: ≤ 0.035 phos…   More>>

Alloy structural steel plate is mainly used in the manufacture of mechanical accessories, such as military equipment parts, heavy machinery parts, engineering ma…   More>>

Q355 is a low-alloy high-strength structural steel, which has good compatibility, low temperature resistance, easy welding, cold stamping, machinability and othe…   More>>