6-13m equal angle steel bar Standard AISI, ASTM, BS, DIN, GB, JIS Grade Q195,Q235,Q345,Q420,Q460,SS400,A36,ST37-2 Equal angle steel:size: 20mm-200mmlength: 6m,9m,13mmterial:Q195,Q235,Q345,Q420,Q460,SS400,A36,ST37-2,S235JR equal angle steel bar structural building