... channel steel dimensions 1.Got nine countries factory approval 2.certification:CE ISO 3.Material:Q235,Q345,A36,ss400,st37-2 c channel ... nine countries factory approvalWe offer high quality channel steel 1.Material: Q235,Q345,SS400,Q195 ... rolled 8.Quality: Prime1. JIS standard c channel 50-150mm Standard SectionalDimension (mm)Web thickness ( ... Fax: 0086-0315-2247325 c channel steel dimensions