Product detail
Steel channels size from GB707-88,JIS Grade Q235A/B,SS400
Chinese standard size from 50*37.4.5mm*.5.438kg/m to 400*104*14.5mm*71.488kg
JISstandard size from 50*25*4mm*6mm*3.80kg/m to 150*75*9*12.5*24kg/m
European standard size from 80*40*4.5*7.4*7.05kg/m to 180*75*5.1*8.7*16.3kg/m
Length 6m,9m,12m