... ,12m 3.material:Q195,Q235,Q345,Q420,Q460 4.Authentication:ISO9001-2008 5.other certificate Hot Roll Equal Angle Steel1.size: 20mm ... ,Q235,Q345,Q420,Q460,ss400,A36ASTM Standard Equal Angles:STANDARD SECTIONAL DIMENSIONLEG SIZE x THICKNESS(INCH)STANDARD SECTIONAL DIMENSIONLEG SIZE x THICKNESS(MM ...