... to 325mm, thickness 0.6mm - 12mm2) Square steel pipe:Size from 10mm*10mm to 400mm*400mm, thickness ... -360mm,web thickness4.5mm-12mm,Flange thickness7.6mm-15.8mm12) H BEAM: Size from 100mm to 900mm ... from 6mm, 8mm to 16mm,28mm13) Cold rolled steel strip: Width from 32mm to 685mm, thickness from ... to 9.0mm16) the other non-conventional type steel pipe as followingoval pipewall thickness 11x220.6--1 ...