321 Stainless Steel
Type 321 immune to high temperatures, stabilized by Titanium, resists intergranular corrosion, high strength. Used for aircraft afterburners, exhaust manifolds, cabin heaters, flash boilers, firewalls, and stack liners.
Products Offered
- Wire Cloth
- Perforated Metal
- Expanded Metal
- Bar Grating
- Hex Metal
Principal Design Features
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.
| Carbon | 0.08 max |
| Chromium | 17 - 19 |
| Iron | Balance |
| Manganese | 2 max |
| Nickel | 9 - 12 |
| Phosphorus | 0.045 max |
| Silicon | 1 max |
| Sulphur | 0.03 max |
| Titanium | Min:5 x C |
| Density (lb / cu. in.) | 0.29 |
| Specific Gravity | 7.9 |
| Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) | 0.12 |
| Electrical Resistivity (microhm-cm (at 68 Deg F)) | 432 |
| Melting Point (Deg F) | 2600 |
| Modulus of Elasticity Tension | 28 |
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