ChannelBarSuppliers 304 304L 304H stainless steel u channel steel bar Standard ASTM A276, A484, A479, A580, A582, JIS G4303, JIS G4311, DIN 1654-5,DIN 17440,GB/T 1220 Related Material200/300/400/600 series,904L,2205,2507,17-4ph,17-7ph,nitronic 50/60,inconel 600/601 SurfacePickled,Black,Bright,Polishing,Blasting,etc SpecificationsRound barDiameter: 1mm~800mm Angle barSize: 1mm*20mm*20mm~20mm*100mm*100mm Square barSize: 3mm*3mm~500mm*500mm Flat barThickness: 1mm~500mm Width: 10mm~1000mm Hexagonal Size: 1mm~100mmChannelBarSuppliers website:http://www.hexionpipefittings.com/bars-rods/channel-bar/