Steel purline 1.Size: 50to 200 2.Thickness :1mm to 6mm 3.Material :black steel ,galvanized steel ,stainless steel Steel purline:Product: C channel ,steel channelStandard: GB, ASTM ,JIS ,DIN,ENMaterial: SS400, A36, Q235 Q345Thickness: 1.2mm - 6mmWidth:50mm to 300mmLength:Any lengthSurface: Black, GalvanizedDelivery time: 20days. steel purline