... :5-350W:900-4800I:3000-25000Q235,Q275GB/T700-20062Quality carbon structural steels20,45,50,GB/T711-2008S45C,S50C,S55CJIS ... G4051:20053High strength low-alloy structural steelsQ345-Q460-Q550-Q690GB1591-2008A36,A283,A529ASTMSM400, ... -4800I:3000-2500012MnNiMoVDR,SPV450,SPV4908Low alloy steel plates for low temperature pressure vesselsH:6-120W:900-4800I:3000-2500016MnDR, ...