321 stainless steel is a titanium-stabilized grade designed for high-temperature service in the 1000-1600°F range. This material offers excellent resistance to intergranular corrosion and polythionic acid stress corrosion cracking, making it ideal for demanding industrial applications.
| Product Type | 321 Stainless Steel Sheet, 321 Stainless Steel Plate |
| Specification | ASTM A240 / ASME SA240 |
| Thickness | 0.6 to 80 mm |
| Width | 1219mm, 1500mm, 1800mm, 2000mm |
| Length | 2m, 2.44m, 3m, 6m or custom |
| Finish | Satin, 2B, 2D, BA NO (8), CR, HR, No.1, 1D, No.4, BA, 8K, hairline, brush, mirror |
| Forms | Plate, Sheet, Coils, Foils, Strip, Flats, Clad Plate, Plain Sheet |
| Services | Laser Cutting, bending, welding, polishing |
| Element | 321 |
|---|---|
| Carbon | 0.08 |
| Chromium | 17.0-19.0 |
| Nickel | 9.0-12.0 |
| Manganese | 2.00 |
| Silicon | 0.75 |
| Nitrogen | 0.10 |
| Phosphorus | 0.045 |
| Sulfur | 0.030 |
| Titanium | 5(C+N) min / 0.70 max |
| Property | 321 |
|---|---|
| Yield Strength, min. (ksi) | 30 |
| Tensile Strength, min. (ksi) | 75 |
| Elongation, min. (%) | 40 |
| Hardness, max. (Rb) | 95 |
| Grade | Why it might be chosen instead of 321 |
|---|---|
| 304L | Resistance to intergranular corrosion, not for high-temperature strength |
| 3CR12 | Mild high temperature environment up to about 600°C |
| 304H | Mild high temperature environment up to about 800°C |
| 310 | Operating environment up to about 1100°C |
| S30815 (253MA) | Operating environment up to about 1150°C |
321 stainless steel is a titanium-stabilized grade designed for high-temperature service in the 1000-1600°F range. This material offers excellent resistance to intergranular corrosion and polythionic acid stress corrosion cracking, making it ideal for demanding industrial applications.
| Product Type | 321 Stainless Steel Sheet, 321 Stainless Steel Plate |
| Specification | ASTM A240 / ASME SA240 |
| Thickness | 0.6 to 80 mm |
| Width | 1219mm, 1500mm, 1800mm, 2000mm |
| Length | 2m, 2.44m, 3m, 6m or custom |
| Finish | Satin, 2B, 2D, BA NO (8), CR, HR, No.1, 1D, No.4, BA, 8K, hairline, brush, mirror |
| Forms | Plate, Sheet, Coils, Foils, Strip, Flats, Clad Plate, Plain Sheet |
| Services | Laser Cutting, bending, welding, polishing |
| Element | 321 |
|---|---|
| Carbon | 0.08 |
| Chromium | 17.0-19.0 |
| Nickel | 9.0-12.0 |
| Manganese | 2.00 |
| Silicon | 0.75 |
| Nitrogen | 0.10 |
| Phosphorus | 0.045 |
| Sulfur | 0.030 |
| Titanium | 5(C+N) min / 0.70 max |
| Property | 321 |
|---|---|
| Yield Strength, min. (ksi) | 30 |
| Tensile Strength, min. (ksi) | 75 |
| Elongation, min. (%) | 40 |
| Hardness, max. (Rb) | 95 |
| Grade | Why it might be chosen instead of 321 |
|---|---|
| 304L | Resistance to intergranular corrosion, not for high-temperature strength |
| 3CR12 | Mild high temperature environment up to about 600°C |
| 304H | Mild high temperature environment up to about 800°C |
| 310 | Operating environment up to about 1100°C |
| S30815 (253MA) | Operating environment up to about 1150°C |