Techno pipe & Fittings is a market leader in the production of Super Duplex Steel F52 Flanges, a common coil material for rebuildable vaporizers. A minimum of 18% chromium and 8% nickel is combined with a maximum of 0.08 percent carbon in Duplex Steel F52 Slip On Flanges. The formation and welding properties of F52 Socket Weld Flanges are excellent. Duplex steel is used to make ASTM F52 flanges. In terms of metallurgic microstructure, the material has both ferritic and austenitic properties. The material has a tensile strength of 620 MPa and a yield strength of 450 MPa.