Types:A. wide flange I Steel(HK);B. Narrow flange I steel(HZ);C. I steel peg(HU) specifications:wide flange I SteelHK100#-HK900#,Narrow flange I steel HZ80#-HZ600#,I steel peg HU200#-HU500#
(2)I steel for welding(YB3302-81)
Used in MIG/TIG welding, in the welding structure of pillars, girders, purlines, etc. The types are presented byhight(H)*idth(b) in mm,range 10000-454000mm