MP35N
Cobalt-nickel-chromium-molybdenum alloy with ultra-high strength and excellent corrosion resistance.
Material overview
MP35N belongs to the Cobalt-Based Alloys section of the catalog. Cobalt-nickel-chromium-molybdenum alloy with ultra-high strength and excellent corrosion resistance. The technical review record highlights Work hardens to very high tensile strength, resists seawater, hydrogen sulfide and many acids, and non-magnetic. Listed applications include High-strength fasteners and springs, medical devices and leads, and marine and oilfield. The dataset currently includes 13 property records covering chemical composition, mechanical properties, and physical properties. Standards and product forms associated with the grade include B637 and B574 and Solid Wire / GTAW-GMAW Wire and Bar / Rod. Final material properties and delivery conditions must be verified against the applicable specification and inspection documents.
Key characteristics
- Work hardens to very high tensile strength
- resists seawater, hydrogen sulfide and many acids
- non-magnetic
Typical applications
- High-strength fasteners and springs
- medical devices and leads
- marine and oilfield
Grade names and equivalents
Technical properties
Typical values are for reference only. Final chemistry, mechanical properties, heat treatment, dimensions, inspection, and documentation are confirmed against the applicable specification and MTC/COA before order acceptance.
Chemical composition
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Co | 35.0 | wt% | Typical value |
| Ni | 35.0 | wt% | Typical value |
| Cr | 20.0 | wt% | Typical value |
| Mo | 10.0 | wt% | Typical value |
| Fe | 1.0 max | wt% | Typical value |
| C | 0.025 max | wt% | Typical value |
| Mn | 0.15 max | wt% | Typical value |
| Si | 0.15 max | wt% | Typical value |
| Ti | 1.0 max | wt% | Typical value |
Mechanical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Tensile strength | up to 1550 | MPa | Cold worked + aged |
| Yield strength 0.2% | up to 1300 | MPa | Cold worked + aged |
| Elongation | min 10 | % | Cold worked + aged |
Physical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Density | 8.43 | g/cm3 | Typical |
Standards and specifications
Forms, applications, and capabilities
Product forms
- Product form
- Bar / Rod
Industries
- Industry
- Industry
- Industry
Capabilities
- Vacuum Induction Melting
- Capability
- Capability
- Heat Treatment
- Nondestructive & Laboratory Testing