Ferrous Alloys
Type 410 Martensitic Stainless Steel
| Application & Characteristics | |
|---|---|
| Low-cost, high-strength steel used in turbines, Bourdon springs, medical instruments, bushings, guided missiles, rocket | |
| components and high pressure torque tubes. Excellent spring properties but poor impact resistance at low temperatures. | |
| Chemical Composition (%) | |
| Cr 12; Balance Fe. Allowable maximums: C 0.15; Mn | |
| 1.00; Si 0.75; P 0.040; S 0.030 | |
| Physical Properties | |
| Melting Range (°F) | 2700 2790 |
| Density (lbs/in³) 68F | 0.279 |
| Thermal Expansion (in/in °Fx10 to the power of -6) | 6.5 (32 1200F) |
| Electrical Resistivity (ohms/cir mil/ft.) 68F | 342 |
| Mechanical Properties Temper = A | |
| Tensile Strength (psi x 10³) | 75 |
| Yield Strength (psi x 10³) | 40 |
| Elongation ( % ) | 30 |
| Hardness | B85(Rockwell) |
| Mechanical Properties Temper = H/2 | |
| Tensile Strength (psi x 10³) | 90 |
| Yield Strength (psi x 10³) | 75 |
| Elongation ( % ) | 20 |
| Hardness | B95(Rockwell) |
| Mechanical Properties Temper = H | |
| Tensile Strength (psi x 10³) | 110 |
| Yield Strength (psi x 10³) | 100 |
| Elongation ( % ) | 7 |
| Hardness | C20(Rockwell) |
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