Preferred by top-tier header fabricators, our mandrel bends stand out due to their exceptional tubing. Crafted from American-made mild steel and bent domestically, they're unrivaled in quality. They expand effortlessly during fabrication, ensuring a perfect fit to your flange. Our high-grade American steel allows shaping to accommodate intricate header flange designs without cracking, and it welds exceptionally well. Health Warning: Cancer and Reproductive Harm Preferred by Professionals: Our Mandrel Bends are Top Choice Unique Tubing: American-Made Mild Steel for Superior Quality Easy Fabrication: Expands Without Cracking Essential Formability: Crucial for Flange Fitting Versatile Shaping: Complex Flange Shapes Without Cracking Superior Weldability: Domestically Made Material Color Silver Brand Name https://www.stainlessheaders.com/b-158999-stainless-headers.html Manufacturer Stainless Headers Material Type Low Carbon Steel Manufacturer Part Number SHM-188-3-J-MS