I beam corrosion resistant,UV resistant,nonconductive usage:structural ISO9001:2008 ASTM E-84-95 1)Name:i beam.2)Usage:structural3)Size as following: namemodel numbersize(mm ... , CORROSION RESISTANTB, FIRE RETARDANTC, HIGH STRENGTHD, NON-MAGNETICE, NON-CONDUCTIVEF, NON-SPARKINGG, LIGHT WEIGHTH, EASY TO INSTALLI, EASY TO MAINTAINJ,IMPACT RESISTANT I beam