Alloy MP35N*
- ALLOY MP35N* • UNS R30035 • WNR 2.4999
MP35N* is an age hardenable nickel-cobalt base alloy that has a unique combination of properties - ultra high strength, toughness, ductility and outstanding corrosion resistance. MP35N resists corrosion in hydrogen sulphide, salt water and other chloride solutions. It also has excellent resistance to crevice and stress corrosion cracking in sea water and other hostile environments. Suitable where a high combination of strength, high modulus values and good corrosion resistance are required. Applications for this alloy also include medical devices and dental products.
- Available Tube Product form
- Straight
- Seamless
- Typical Applications
- Pressure housing
- Medical implants
- Industries predominantly using this Grade
- Chemical processes
- Medical
- Oil and gas
- Typical Manufacturing Specifications
- DIN ISO 5832-6 2001
- Also, individual customer specifications.
- Technical Data
Mechanical Properties
| Temper | Annealed | |
| Tensile Rm | 28 | ksi (min) |
| Tensile Rm | 190 | MPa (min) |
| R.p. 0.2% Yield | 26 | ksi (min) |
| R.p. 0.2% Yield | 180 | MPa (min) |
| Elongation (2” or 4D gl) | 10 | % (min) |
Physical Properties (Room Temperature)
| Specific Heat (0-100°C) | 502 | J.kg-1.°K-1 |
| Thermal Conductivity | 11.2 | W.m -1.°K-1 |
| Thermal Expansion | 12.8 | μm/μm/°C |
| Modulus Elasticity | 234 | GPa |
| Electrical Resistivity | 6.21 | Ohm-cm |
| Density | 8.43 | g/cm3 |
Chemical Composition (% by weight)
| Element | Min | Max |
| C | - | 0.025 |
| Si | - | 0.15 |
| Mn | - | 0.15 |
| P | - | 0.015 |
| S | - | 0.01 |
| Co | Balance | |
| Fe | - | 1 |
| Cr | 19 | 21 |
| Mo | 9 | 10.5 |
| Ni | 33 | 37 |
| Ti | - | 1 |
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