Stainless Steel 321 Manufacturer & Supplier
Titanium-stabilized grade for resistance to intergranular corrosion after exposure to 427-816°C.
UNS: S32100 | Category: Austenitic Stainless Steel
SS 321 — Also Known As
SS 321 is also commonly known as SS 321, 321 SS, Stainless Steel 321, S32100, UNS S32100, 321 stainless steel, 321 stainless, aisi 321, type 321, x6crniti18-10.
SS 321 — Applicable Standards & Specifications
SS 321 is commonly supplied to ASTM A213, ASME SA213, ASTM A269, ASME SA269, ASME SA312, ASTM A376, ASME SA376, EN 10216-5, DIN 17456.
Chemical Composition (%)
| C | Cr | Ni | Ti |
|---|---|---|---|
| 0.08 max | 17.0-19.0 | 9.0-12.0 | 5x(C+N) min |
Mechanical Properties
- Tensile Strength
- 515 MPa min
- Yield Strength
- 205 MPa min
- Elongation
- 40% min
Applicable Standards
- ASTM A240
- SA 240
- ASTM A312
Applications
- Exhaust Manifolds
- Refinery Equipment
- Expansion Joints