H-BEAMS / WIDE FLANGE Play H-Beam_1 standard TIS 1227-2558 For more information. +662 685 4000 info@tmtsteel.co.th standard TIS 1227-2558 H BEAM SPECIFICATION ** For more information on size ranges, please contact our sales. For more information. +662 685 4000 info@tmtsteel.co.th
