These 321 Stainless Steel Forged Socket Weld Fitting offers higher creep and stress rupture properties than Alloy 304 and, particularly, Alloy 304L, which might also be considered for exposures where sensitization and inter - granular corrosion are concerns. Our 321 Stainless Steel Forged Threaded Fittingsis used extensively for applications where the addition of titanium and its stabilizing effect as a carbide forming element allows it to be welded and/or used within the carbide precipitation range 430 Degree C – 870 Degree C without the risk of inter - granular corrosion. In order to provide optimum resistance to inter - granular corrosion in these SS 321 Forged Socket Weld Fittingsand to polythionic acid stress corrosion cracking in service temperatures at 1500 Degree F – 1650 Degree F, an air cool may be used. Our Stainless Steel 321 Forged Threaded Fittings has similar corrosion behavior to Type 304 with the exception of improved inter - granular corrosion resistance due to the titanium addition for stabilization.