... beams 1.type:HW type 2.model:588*30012*20mm 3.usage:building, ... beams, lifting equipment, method stub etc Q235b H beams HW wide flange type H shaped steel -- of size 588*300 ... ,Q235B,Q345 ,Q345B Type: Hot rolled and welding type HW wide one; HM medium one; HN narrow one.Application: ... *300900*30090030016282433. real pictures for you Q235b H beams HW wide flange type H shaped steel -- of size 588 ...