... equipment, method stub etc Q235b H beams HW wide flange type H shaped steel -- of size 588*300*12*20mm 1 ... information Material: Q235B,SM490,SS400,Q235B,Q345 ,Q345B Type: Hot rolled and welding type HW wide one; HM medium one; HN narrow ... ; Ships, machinery manufacturing frame structure; Port conveyor belt, high-speed board support; buildings; tower; lifting equipment; beams and stubs etc..Features ...