Type 321 Stainless Steel is an austenitic stainless steel. It has many of the same qualities of Type 304, except for a higher level of titanium and carbon. Type 321 offers metal fabricators an outstanding corrosion and oxidation resistance, as well as excellent toughness even down to cryogenic temperatures. Other characteristics of Type 321 Stainless Steel include:

Good forming and welding
Works well up to about 900°C
Not for decorative uses

We can supply companies with Type 321 in a variety of sizes and shapes, like plate, sheet, and coil. All the Type 321 available via Continental Steel meets or exceeds AMS 5510 and ASTM A240.

Type 321 has a unique chemical structure that includes:

Cr 17-19%,Ni 9-12%,Si 0.75%,Fe 0.08%,Ti 0.70%,P .040%,S .030%

Mechanical Properties

Due to its numerous benefits and capabilities, Type 321 is used a wide variety of applications including:

Annealing covers
High-temp tempering equipment
Chemical processing equipment
Automotive exhaust systems
Firewalls
Boiler casings
Aircraft exhaust stacks and manifolds
Superheaters
Gas and oil refinery equipment