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321 UNS S32100

The key feature of 321 stainless is its resistance to intergranular corrosion. It employs titanium as a stabilizing element against chromium carbide formation. This alloy also exhibits strength characteristics superior to those of 304 stainless. Jet engine parts, furnace heat treated parts, expansion joints, turbo superchargers, oil refiners, exhaust manifolds and high temperature chemical production equipment.

AMS 5510Heat Resistant Stainless Steel Plate, Sheet, Strip, and Coil.
AMS 5570Stainless Steel Tube.
AMS 5645Stainless Steel Bars and Forgings.
MIL-T-8606Stainless Steel Tube.