MP159,MP159 Wire,UNS R30159,E FORU

British Specs:，American Specs:AMS 5841 Bar AMS 5845 Bar AMS 5843 Bar，German Specs:

### Technical Data Sheet: MP159 / MP159 Wire / UNS R30159 **Cobalt-Nickel-Chromium Superalloy Wire Product** --- ### 1. Product Overview **MP159 Wire** (UNS R30159) is manufactured from the advanced cobalt-nickel-chromium superalloy in wire form, strengthened by multistage aging treatment. This product offers an exceptional combination of **ultra-high strength** (up to 1790 MPa), excellent corrosion resistance, and outstanding fatigue properties, making it ideal for fasteners, springs, and critical components operating in extreme environments up to **650°C (1200°F)**. --- ### 2. Chemical Composition (Weight %) | Element | Content (%) | Key Characteristics | |---------|-------------|---------------------| | **Cobalt (Co)** | 25.0–30.0 | Matrix element providing high-temperature stability | | **Nickel (Ni)** | 25.0–30.0 | Austenitic structure formation | | **Chromium (Cr)** | 18.0–20.0 | Corrosion and oxidation resistance | | **Iron (Fe)** | 7.0–11.0 | Solid solution strengthening | | **Molybdenum (Mo)** | 6.0–8.0 | Solid solution and precipitation hardening | | **Titanium (Ti)** | 2.5–3.25 | Gamma prime (γ') precipitate formation | | **Niobium (Nb)** | 1.0–1.7 | Carbide and intermetallic formation | | **Aluminum (Al)** | 0.1–0.5 | Precipitation strengthening | | **Carbon (C)** | ≤ 0.04 | Controlled carbide formation | | **Manganese (Mn)** | ≤ 0.50 | Residual element | | **Silicon (Si)** | ≤ 0.50 | Residual element | --- ### 3. Physical Properties | Property | Value | |----------|-------| | **Density** | 8.31 g/cm³ (0.300 lb/in³) | | **Melting Range** | 1350–1400°C (2460–2550°F) | | **Thermal Conductivity** | 14.0 W/m·K at 100°C | | **Mean CTE (20-100°C)** | 12.8 µm/m·°C | | **Electrical Resistivity** | 1.12 µΩ·m at 25°C | | **Magnetic Permeability** | Essentially non-magnetic | --- ### 4. Mechanical Properties **Standard Wire Properties (Aged Condition):** - **Tensile Strength**: 1550–1790 MPa (225–260 ksi) - **Yield Strength (0.2% Offset)**: 1450–1655 MPa (210–240 ksi) - **Elongation**: 8–15% - **Reduction of Area**: 30–45% - **Hardness**: 42–48 HRC **Special Tempers Available:** - **Solution Treated**: For forming and machining - **Aged**: Full mechanical properties - **Spring Temper**: Optimized for spring applications **Elevated Temperature Performance:** - **Useful Temperature Range**: Up to 650°C (1200°F) - **Stress Rupture Strength**: Excellent maintained properties - **Creep Resistance**: Good performance under load --- ### 5. Product Specifications **Wire Size Range:** - **Diameter**: 0.1 mm to 6.0 mm (0.004" to 0.236") - **Tolerance**: ±0.005 mm for fine wire, ±0.02 mm for heavy wire - **Spool Sizes**: 1 kg to 50 kg standard **Available Forms:** - **Bright Finish**: Smooth, oxide-free surface - **Pickled Finish**: Matte surface for improved adhesion - **Coated Variants**: Special coatings available **Packaging Options:** - Plastic or wooden spools - Protective coil packaging - Straight lengths (1-3 meters) --- ### 6. Applications **Fastener Manufacturing:** - High-strength aerospace fasteners - Medical implant screws - Critical industrial bolts - Specialized threaded components **Spring Applications:** - Aircraft engine springs - Medical device springs - Instrumentation springs - High-temperature spring components **Medical Devices:** - Orthopedic fixation wires - Surgical suture wires - Dental arch wires - Implantable device components **Specialized Applications:** - Welding wire for similar alloys - Electrical resistance wire - Filter mesh components - Brush wire for extreme environments --- ### 7. International Standards | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | R30159 | Material designation | | **AMS** | 5842 | Bar and wire applications | | **ASTM** | F562 | Wrought cobalt-nickel alloy | | **ISO** | 5832-6 | Implants for surgery | | **AWS** | Special | Welding applications | --- ### 8. Fabrication Characteristics **Forming & Processing:** - **Cold Forming**: Good in solution-treated condition - **Springback**: Predictable and consistent - **Wire Drawing**: Requires intermediate annealing - **Heat Treatment**: Essential for optimal properties **Heat Treatment:** - **Solution Treatment**: 1040–1065°C (1900–1950°F) - **Aging Treatment**: 650–760°C (1200–1400°F) - Multistage - **Quenching**: Water quench after solution treatment **Surface Preparation:** - **Cleaning**: Essential before heat treatment - **Pickling**: For oxide removal - **Coating**: Special coatings for specific applications --- ### 9. Quality Assurance **Standard Testing:** - Dimensional verification - Surface quality inspection - Tensile testing by lot - Hardness testing - Chemical analysis certification **Special Testing Available:** - Fatigue testing for spring applications - Stress rupture testing - Microstructural examination - Corrosion resistance testing --- ### 10. Technical Advantages - **Ultra-high strength** in wire form - **Excellent fatigue performance** in spring applications - **Good corrosion resistance** in various environments - **Superior strength-to-weight ratio** - **Maintains mechanical properties** at elevated temperatures - **Consistent quality** throughout wire length - **Reliable performance** in critical applications --- ### 11. Special Considerations **Wire Drawing:** - Multiple passes with intermediate annealing - Proper die design essential - Adequate lubrication required **Spring Manufacturing:** - Form in solution-treated condition - Age after forming for optimal properties - Consider springback in design **Medical Applications:** - Additional cleanliness requirements - Special packaging for sterile applications - Full traceability essential --- **Note:** MP159 Wire offers exceptional performance for high-strength applications where conventional materials cannot meet requirements. The material requires specialized processing and proper heat treatment to achieve optimal properties. Custom sizes, special tempers, and specific packaging requirements are available upon request. Consult with our technical team for application-specific recommendations and processing guidance.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2273 gallon liquid totes Special package is available on request.