U Channel Steel 1.Standard: GB, JIS, ASTM 2.Size: 63*40-220*77mm or as required 3.Material: Q235, Q345, SS400, u channel steelChinese Standard ChannelsHot Rolled Normal Channels Model , Size and Weight Specification & Model SizeTheoretical weight (kg/m)Height(h) Breadth(b) Depth(d) 550374.55.4386.363404.86.6346.5*65404.86.7098804358.04510100485.310.00712*120535.512.05912.6126535.512.31814#a ...