steel plate q235b Material:Q195,Q215,08Al,SPCC,ect Hardness:>95HV Thickness:0. ... , ASTMA36, S275JR, S235JR, S335JR 510L, 08A1 ST4ect. Application: Cold forming steel, structural steel, corrosion car steel structure, welding cylinders and pressure vessel steel, pipeline steel, etc ...