Materials:Q195,Q215,Q235,Q345,SPHC,M6,M8,195L,08AL,H08 Thickness:0.3mm--2.5mm Thickness tolerance:+/-0.03mm Width:no more than 500mm Width tolerance:+/-0.15mm Surface treatment:chromated unoilde/oiled,regular spangle Coil ID:508mm Coil OD:900mm--1200m