... 400*400mm), Round tube: Radius (6mm to 1,500mm), Channel Steel(5# to 40#),Angle Steel(5# to 20#), H steel( 10# to 63 ... #), Flat steel(12*2 to 100*250mm),Semicircular tube(Radius below 168mm ... in advance.or L/C At SightPlace of OriginShanghai, China Rectangle Stainless Steel Coil Tube Bending