Table of Heavy Iron is used estimate the amount of iron in Kg necessary IRON ASSENTAL (SS 41), shafting BAR IRON ASSENTAL (S45C), shafting BAR IRON ASSENTAL (245C), HOT ROLLED STEEL ROUND BAR IRON SPIRAL IRON IN TERMS OF SIX CHANNEL IRON "C" CHANNEL IRON UNP BESI H BEAM IRON WF IRON INP IRON ELBOW IRON FOUR SQUARE