... required 3.Material: Q235, Q345, SS400, Detailed Product DescriptionU Channel Steel 1.Standard: GB, JIS, ASTM 2.Size: 63* ... #a*270827.530.83827#b*270849.535.07727#c*2708611.539.31628#a 280827.531.42728#b ... 280849.535.82328#c 2808611.540.21930#a*300857.534.46330#b* ... .08332#b 320901043.10732#c 320921248.13136#a 36096947.81436#b 360981153.46636#c 3601001359.11840#a 4001001058. ...