... fine quality 4)best pric SpecificationsHot Rolled U Channel Steel Q195,Q215,Q235A-D,Q345A-D,Q420A-E Dimesions ... ,DIN,GB,JISMaterial:Q235A,Q235B,SS400, E235B, ASTM A36Channel steel can be used in automobile, motorcycle, electrical appliances and ... : High quality(precision size, uniform chemical & composition,stable mechanical properties), widely used in construction industry.Chinese Standard(GB/T707-1988 ...