pipe steel Outer diameter 6-610mm wall thickness1.5-40mm Material 10# 20# 45# 16Mn pipe steel1) Application: Petroleum,chemical,power,gas,metallurgy, shipbuilding, construction, etc2) Materials: 20#,35#,45#,20G,20MnG,20A,A106B,A106C,ST45.8-III,12CrMo,15CrMo,35CrMo,12Cr1MoV,Cr2Mo,12Cr2Mo,Cr5Mo,A335P12,A335P11,A335P22,A335P5,A335P91,STPA22,STPA23,STPA24,STPA25,STPA26,13CrMo44,10CrMo910,12CrMo195 ...