MP35N
MP35N Co-Ni-Cr-Mo Ultra-High-Strength Bar
Non-magnetic · ultra-high strength · sour service
Co-Ni-Cr-Mo multiphase ultra-high-strength alloy, non-magnetic in all conditions (μ < 1.01), approved for severe sour service per NACE MR0175 / ISO 15156-3, with no ductile-to-brittle transition and toughness down to -200 °C.
Technical Data
- Material category
- Co-Ni-Cr-Mo Ultra-High-Strength Alloy
- Specification
- ASTM F562-22 · NACE MR0175
- Delivery condition
- Cold-drawn + Aged
- UNS
- R30035
- W.Nr.
- 2.4999
- Specification
- MP35N / UNS R30035 / W.Nr. 2.4999
Mechanical Properties
| Tensile Rm | ≥ 1310 MPa |
|---|---|
| Yield Rp0.2 | ≥ 1241 MPa |
| Elongation A | ≥ 10 % |
| Reduction of Area | ≥ 40 % |
| Hardness | ≤ 51 HRC |
| Service Temp. | -200 ~ 450 °C |
| Density | 8.43 g/cm³ |
| Condition | Cold-drawn + Aged |
Chemical Composition
Values in wt%, balance is the base element.
| Cobalt Co | 余量 Bal. |
|---|---|
| Nickel Ni | 33.0 – 37.0 |
| Chromium Cr | 19.0 – 21.0 |
| Molybdenum Mo | 9.0 – 10.5 |
| Titanium Ti | ≤ 1.00 |
| Iron Fe | ≤ 1.00 |
| Carbon C | ≤ 0.025 |
| Manganese Mn | ≤ 0.15 |
| Silicon Si | ≤ 0.15 |
| Phosphorus P | ≤ 0.015 |
| Sulfur S | ≤ 0.010 |
| Boron B | ≤ 0.015 |
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