HW H shaped beams 1.type:HW type 2.model:588*30012*20mm 3.usage:building, tower, ... , method stub etc Q235b H beams HW wide flange type H shaped steel -- of size 588*300*12*20mm ... information Material: Q235B,SM490,SS400,Q235B,Q345 ,Q345B Type: Hot rolled and welding type HW wide one; HM medium one; HN narrow ... pictures for you Q235b H beams HW wide flange type H shaped steel -- of size 588*300*12*20mm ...