Mandrel-Forming for Stainless Steel Fittings (So it will not reduce the wall thickness) Features: 1) Type: welded and seamless pipe fitting 2) Size: we can also produce other specifications according to customers' requirements. Seamless Fittings 1/2-20 (DN15-DN500), Welded Fittings 1/2-48 (DN15-DN1200) 3) Wall thickness: SCH5S-SCH160 4) Material: stainless steel (304, 304L, 316, 316L, 321, 310s) 5) Our products are corrosion and high-temperature resistant 6) Applications range: for use in the petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat exchanger, and other fields