... 1.5mm-12mm 4)standard:BS1387,ASTM,GB,DIN,API Galvanized steel tube for hot dip,pre and electric Products Details :1) ... thickness from 6mm, 8mm to 16mm,28mm13) Cold rolled steel strip: Width from 32mm to 685mm, thickness from 0. ... 8mm to 9.0mm16) the other non-conventional type steel pipe as followingoval pipewall thickness 11x220.6--1.212x250. ... us , we will do our best to help you! Galvanized steel tube