steel plate q235b Material:Q195,Q215,08Al,SPCC,ect Hardness:>95HV Thickness:0.15-1.2mm Width:50 HRC/sheet: Size: (1.8mm-140mm)*(100mm-2500mm) Standard: GB1499-2008, Grade: Q195, Q215, Q235, Q345, SPHC, SS4001, ASTMA36, S275JR, S235JR, S335JR 510L, 08A1 ST4ect. Application: Cold forming steel, structural steel, corrosion car steel structure, welding cylinders and pressure vessel steel, pipeline ...