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321 Stainless Steel Technical Data
| Density |
0.289 lb/in³ |
| Hardness, Rockwell B |
80 |
| Tensile Strength |
89900 psi |
| Tensile Strength,
Yield |
34800 psi |
| Elongation at Break |
45 % |
| Modulus of Elasticity |
28000 -
29000 ksi |
| Izod Impact |
99.6 ft-lb |
| Electrical Resistivity |
7.2e-005 ohm-cm |
| Magnetic Permeability |
1.008 |
| CTE, linear 20°C |
9.28 µin/in-°F |
| CTE, linear 250°C |
9.5 µin/in-°F |
| CTE, linear 500°C |
10.3 µin/in-°F |
| CTE, linear 1000°C |
11.4 µin/in-°F |
| Specific Heat Capacity |
0.12 BTU/lb-°F |
| Thermal Conductivity
at Elevated Temperature |
112 BTU-in/hr-ft²-°F |
| Melting Point |
2550 -
2600 °F |
| Maximum Service
Temperature, Air |
1600 °F |
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