... ,high quality 2,with surface treatment 3,with ISO9001 \Steel angle, Metal building material1.Materials: Q195,Q235,Q345,Q420,Q460,ss400 ... ;4.Through ISO9001:2000 certification,With reliable quality assurance Equal Angle Bar Thickness: 1-24mmWidth: 20-200mmLength:0-12mTheoretical Mass: 0 ... .889-71.168kg/m Unequal Angle Bar Type:2.5/1.6-20/12.5Thickness: 3 ...