... 24mm7) Flat bar: Size from 12mm to 150mm, thickness from 2mm to 16mm8) Channel steel:Size 8# -30#, web thickness 4 ... , Flange thickness 5.7mm-10.2mm10)IPEAA:Size 80mm-160mm,web thickness3.2mm-4.0mm,Flange thickness 4.2mm-5.6mm11)IBEAM:Size100mm ...