... .Material :black steel ,galvanized steel ,stainless steel C Channel C steel ChannelProduct: C channel ,steel channelStandard:ASTM ,JIS ,DIN,ENMaterial: Q195,Q215 ... :Any lengthShipment time: Within 14 working days Specification of C Channel: Model SizeTHeoretical Weighth X b X a xt h b ... 3.09.10400x50x15x3400 50 15 3.011.93 C Steel channel