Unequal Angle Bar Size:20*20*3mm-250*250*35mm Standard:GB/T 700-1998 material:Q235,Q195,SS400,SS540 ... or T37-2,Q345,S235JR Unequal Angle BarSize:20 ... *20*3mm-250*250*35mmStandard:GB/T 700-1998material:Q235,Q195, ... industry.If you have some new requirement,please don`t hesitate to contact with us,and i would ...