HEUBACH INTERNATIONAL is one of the well-known trading houses of SS 347 Flanges, which combines excellent mechanical properties over a wide temperature range with superior oxidation and corrosion resistance. The excellent relaxation resistance of Stainless Steel 347 Slip On Flanges is a factor in its successful use for springs at temperatures up to 1100 Degree F. Because of these properties, Stainless Steel 347 Threaded Flanges is specified for many fastener applications where superior performance is required under varying environmental conditions. They were made from hot rolled, annealed, and joined with diameter in Stainless Steel 347 Weld Neck Flanges by the gas tungsten â?? arc process. These heat treatments and the applications for which Stainless Steel UNS S34700 Blind Flanges are intended are described in the Mechanical Properties. The microstructure of Stainless Steel 347 Socket Weld Flanges . Stainless Steel 347 Slip On Flanges Stainless Steel 347 Weld Neck Flanges Stainless Steel 347 Blind Flanges Stainless Steel 347 Orifice Flanges Stainless Steel 347 Socket weld Flanges Stainless Steel 347 Threaded Flanges Stainless Steel 347 Long weld Neck Flanges Stainless Steel 347 RTJ Flanges SS 347 Pipe Flanges Chemical Composition Grade C