Sachiya Steel International is one of the Leading Manufacturer And Exporter of high quality Stainless Steel 317 Threaded Forged Fittings, which is the basic stainless steel. Like most non - stainless steels, our Stainless Steel 317 Forged Threaded Elbow can be hardened by a "quench-and-temper" heat treatment. These Stainless Steel 317 Forged Threaded Tee contains a minimum of 11.5 percent chromium, just sufficient to give corrosion resistance properties.