Physical Properties
Physical properties for Type 302 stainless steel
| Property | 302 |
| Density, lb/in3 | 0.29 |
| Modulus of Elasticity, psi | 29.0 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 9.2 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.4 |
| Specific Heat, Btu/lb ˚F | 0.12 |
| Electrical Resistivity, Microohm-in | 27.4 |
Exposure of the 18-8 austenitic stainless steels to temperatures in the 800°F to 1500°F (427° to 816°C) range may cause precipitation of chromium carbides in grain boundaries. Such steels are “sensitized” and subject to intergranular corrosion when exposed to aggressive environments.
Although many applications have shifted to 304 and 304L due to advances in melting technology, availability, and cost, Alloy 302 is still used in a variety of industries.
Type 302 Stainless Steel is a popular austenitic and non-magnetic stainless steel that is known for its toughness and ductility. Although very similar to 304 Stainless Steel, Type 302 has more carbon and a good record of corrosion resistance. Though it does have a tendency to work harden, this can be overcome by slow speeds and high feeds.
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