... shaped beams 1.type:HW type 2.model:588*30012*20mm 3.usage:building, tower, beams, lifting equipment, method stub etc ... flange type H shaped steel -- of size 588*300*12*20mm 1.good's information Material: Q235B,SM490,SS400,Q235B,Q345 ... flange type H shaped steel -- of size 588*300*12*20mm