http://www.ec21.com/ec-market/steel u channel.html http://ydgmzx.en.ec21.com/U_Beam_Steel_Channel_Steel--2117832_2117994.html .U beam steel of Japanese standard size??.5#-15# material ??235 S235JR SS400 A36 length ??6-12 m unit??on minimum20091221 http://yolanda591.en.ec21.com/U_Channel_Steel--3914525_3916700.html Channel steel: 1) Dimensions: 5#~30 2) Spec: Q235B, Q345B, SS400, A36, A572, A992, Gr50, S20091104 http://jidongyanz.en.ec21.com/U_Channel_Steel--1428797_1428877.html channel steel of size 50*37*4.5 63*40*4.8 80*43*5 100*48*5.3 120*53*5.5 140*58*6.0 140*60*8.0 160*63*6.5 160*65*8.520090902 http://jessecdj.en.ec21.com/U_Steel_Channel--2590443_2590457.htmlwe can produce different kinds of U channel .please feel free to contact us width:less than 600mm height:less than 360m20080119 http://tfsrc.en.ec21.com/structure_steel_C_Z_U--423458_506911.htmlsteel (Hollow Sectional Steel for general structure) Type: C, Z, U Structure Steel or Channel spec: 60-320mm Thickness:20040510 http://yilongintl.en.ec21.com/Steel_Channels_U_Beam_ASTM--1757569_1932881.htmlSteel Channels (U Beam) ASTM, JIS, Chinese Standard Pls contact us at following add: Mr Huang Tel: 86-512-58180770 Fax:20070516 http://gzwymt.en.ec21.com/Drywall_Light_Steel_Keel_Metal--3720288_3782401.htmlchannel, carrier, Keel, T-grip, T-beam), Plaster (Gypsum) Cornice/Line, Light Steel Keel/Metal Stud, Wall Paint, etc. W20091226 http://lilina84117.en.ec21.com/JIS_Standard_Steel_Channel--3940054_3838107.html STANDARD SECTIONAL DIMENSION DEPTH x FLANGE WIDTH (MM) WEB THICKNESS(MM) FLANGE THICKNESS(MM) WEIGHT KG/M 50x25 3.00~520091226 http://asyingyi00.en.ec21.com/Channel_Bar--786947_3468930.htmlcredit standing as rule, quality and quantity assured, development together. 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