HD STEEL’S ACHIEVEMENTS
Accreditations
Standard code
(AISI) Cold formed steel design manual American Iron and steel institute.
(AWS) Structural welding code-steel ANSI/AWS, D1.1-2008. American welding society.
(AISC) Manual of steel construction allowable stress design American institute of steel construction, Inc.
(MBMA) Low rise building systems manual metal building manufacturers association, Inc.
