Dimensions: 50*25*5 Standard: ASTM,JIS,GB, etc Grade: Q235,SS400 Model Number: 50*25*5 mm hot rolled channel ... sale)Standard:JIS, ASTM, GB,ENDimensions: 50*25*5 mmGrade: Q235,Q345,SS400, etc Length:6m,9m,12mHere enclosed some of ... your requirement.Channel steel 50*25(mm)Q2356 Hot rolled Q235 channel steel