... bridgesQ235q, Q345q,Q370q,Q420qGB/T714—20005Hot-rolled steel plates for plasticMouldsSM3Cr2Mo,SM3Cr3NiMoYB/T107—19976Hull structural steelsH 6~160W 1500~4200L 6000~18000A,B ... products:steel plate,steel sheet,steel coil,shipbuilding steel sheet,stainless steel sheet,galvanised steel,PPG,steel pipe, steel strip, flat steel, etcMechanical PropertiesGradeThickness(mm)Yieldpoint(Mpa)Tensile Strength(Mpa ...