... , tower, beams, lifting equipment, method stub etc Q235b H beams HW wide flange type H shaped steel -- of size 588*300*12*20mm ... 1.good's information Material: Q235B,SM490,SS400,Q235B,Q345 ,Q345B Type ... *3008003001426210900*300900*30090030016282433. real pictures for you Q235b H beams HW wide flange type H shaped steel -- of size 588*300*12*20mm ...