Vibrant 3.5" Stainless Steel 120 Degree Mandrel Bend 13014 XDP AS Mandrel Bend 180 Degree J Mandrel Bending Solutions Vibrant For 2.75in O.D. T304 SS 90 deg Mandrel Bend 4in x 12in Leg Vibrant Performance 2613 Stainless Steel U J Mandrel Bent Tubing, for 4 1.5" OD x 180 Degree J Bend x 2.25" CLR CP2 Titanium Mandrel Bend 0.. Description: U J Mandrel Bend, 1. 5" O. D. Material: T304 Stainless Steel Warranty: One Year Limited Warranty Part Specifications: Tube Diameter 1. 75" O. D. U Bend Centerline Radius 2. 75" Leg Length A 4. 5" Leg Length B 8" Leg Length C 8" Tube Thickness 0. 065" (1. 65mm) Vibrant's unique U J Mandrel Bent Tubing combines a 180 degree bend and a 45 degree bend into one integral unit to give fabricators the ability to get up to 3 seperate bends and a substantial straight length from each piece. Ideal for building custom exhaust systems, headers, downpipes, intercooler piping, etc. T304 Stainless Steel is a non magnetic alloy that possesses very high chromium and nickel content, making it much more capable of withstanding acidic, high heat and corrosive conditions than regular (mild) steel.