MP35N® alloy provides a combination of strength, good biocompatibility, and corrosion resistance.
Chemical composition
| Composition |
ASTM F562 |
| Carbon | 0.025 max |
| Manganese | 0.15 max |
| Silicon | 0.15 max |
| Phosphorus | 0.015 max |
| Sulfur | 0.010 max |
| Chromium | 19.0 - 21.0 |
| Nickel | 33.0 - 37.0 |
| Molybdenum | 9.0 - 10.5 |
| Iron | 1.0 max |
| Titanium | 1.0 max |
| Boron | 0.015 max |
| Cobalt | Balance |
Physical properties
| Metric | English | |
| Density | 8.41 g/cm³ | 0.304 lbs/in³ |
| Modulus of elasticity | 233 Gpa | 33.8 Mpsi |
| Electrical resistivity | 1033 µohm*mm | 40.7 µohm*in |
| Thermal conductivity | 11.2 W/(m*°C) | 78 BTU*in/(hr*ft²*°F) |
| Coefficient of thermal expansion | 12.8 µm/(m*°C) | 7.1 µin/(in*°F) |
*Values calculated at 22 °C [72 °F]
Mechanical properties
| Cold worked % |
Yield strength |
Ultimate tensile strength |
Elongation % |
| 0 | 855 MPa [124 ksi] | 1269 MPa [184 ksi] | 37.4 |
| 20 | 1282 MPa [186 ksi] | 1613 MPa [234 ksi] | 5.9 |
| 37 | 1620 MPa [260 ksi] | 1910 MPa [277 ksi] | 4.3 |
|
50 |
1793 MPa [260 ksi] | 2055MPa [298 ksi] | 3.7 |
|
60 |
1793 MPa [260 ksi] | 2151 MPa [312 ksi] | 3.5 |
|
68 |
1800 Mpa [261 ksi] | 2206 MPa [320 ksi] | 2.6 |
|
75 |
1868 Mpa [271 ksi] | 2261 MPa [328 ksi] | 2.5 |
|
80 |
1931 MPa [280 ksi] | 2310 MPa [335 ksi] | 2.3 |
|
84 |
1972 MPa [286 ksi] | 2344 MPa [340 ksi] | 2.8 |
|
87 |
2020 MPa [293 ksi] | 2372 MPa [344 ksi] | 2.5 |
|
90 |
2261 MPa [328 ksi] | 2551 MPa [370 ksi] | 2.0 |
* Values are typical and may not represent all diameters. Test method will affect results. All data represent results from a 25.4 cm [10 in] test gauge length.