MP35N® strip and foil (UNS R30035) is a nonmagnetic nickel-cobalt-chromium molybdenum alloy that has excellent corrosion resistance. It can obtain ultra-high tensile strengths (300 ksi) through work hardening and aging and has good toughness and ductility.
MP35N® Strip Applications
Applications for MP35N® strip and foil include
orthodontic brackets, electrical components,
spring contacts, medical instruments such as
stents,
implant electronic connectors, chemical, food processing and marine environments.
MP35N® Strip Work Hardening for Ultra High Strength
After work hardening, MP35N® strip alloy can be aged in the temperature range of 800/1200°F for increased strength. MP35N® will only respond to aging if in the work hardened condition. Service temperatures up to 750°F are recommended for work hardened material.
MP35N® strip can be successfully TIG welded and can be produced by double vacuum melting, and as such, has a low nonmetallic inclusion level.
MP35N® Strip and Foil Sizes
MP35N® strip is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.030” (0.0127 mm to 0.762 mm) and widths to 5.0” (127 mm).
An MP35N® foil product is available in thicknesses down to 0.0001” (0.00254 mm) and widths of 4.0” (101.6 mm). The material corresponds to UNS R30035.
MP35N® Strip Nominal Composition
| MP35N® - LTi NOMINAL COMPOSITION |
| Nickel |
35%
|
| Cobalt |
33.5%
|
| Chromium |
20.5%
|
| Molybdenum |
9.5%
|
| Titanium |
0.01%
|
| Iron |
0.5%
|
| Carbon |
0.01%
|
| Boron |
0.01%
|
MP35N® Strip Nominal Composition
| MP35N® - LTi MECHANICAL PROPERTIES |
|
ANNEALED |
COLD ROLLED |
COLD ROLLED &
HEAT TREATED |
| Ultimate Tensile Strength |
135,000 PSI |
275,000 PSI |
300,000 PSI |
| Yield Strength (0.2% Offset) |
57,000 PSI |
240,000 PSI |
290,000 PSI |
| Elongation in 2” * |
40%
|
1%
|
1% |
| Rockwell Hardness |
RB 94
|
RC 50 |
RC 55 |
| Modulus of Elasticity |
33.76 ksi x 103
|
- |
- |
MP35N® Strip Physical Properties
| MP35N® - LTi PHYSICAL PROPERTIES |
| Density |
0.304 lbs./cu.in. |
| Melting Point (Approx.) |
2400°F |
| Electrical Resistivity @ R.T. |
103 Microhm·cm |
|
Thermal Expansion Coeffiecient (RT to 200°C)
|
13.7 ppm/°C
|
| Thermal Conductivity @ R.T. |
11.2 W/m·K
|
| Magnetic Permeability @ R.T |
1.0009 |
MP35N®-LTi is a registered trademark of SPS Technologies Inc.