hot rolled steel channels 1) Standard:ASTM,GB/T,JIS 2) Material:Q195,Q215,Q235,SS400,SS540,A36 3) Packing:in bundle hot rolled steel channelsDescription: One ... specifcation, quantity, length, handling time,measure way.Steel Grade: Q235,SS400Standard: GB/T 700-1988Size: Middle heigth 100-630mm, flange width ... more information,please contact directly without any hestation hot rolled steel channels