MP159,MP159 Plate,UNS R30159,E FORU

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

### Technical Data Sheet: MP159 / MP159 Plate / UNS R30159 **Cobalt-Nickel-Chromium Superalloy Plate Product** --- ### 1. Product Overview **MP159 Plate** (UNS R30159) is supplied in plate form from the advanced cobalt-nickel-chromium superalloy family, 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 fabricating large structural components that must withstand extreme conditions 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 **Room Temperature Properties (Aged Condition):** - **Tensile Strength**: 1620–1790 MPa (235–260 ksi) - **Yield Strength (0.2% Offset)**: 1515–1655 MPa (220–240 ksi) - **Elongation**: 10–15% - **Hardness**: 44–48 HRC **Elevated Temperature Performance:** - **Useful Temperature Range**: Up to 650°C (1200°F) - **Stress Rupture Strength**: Excellent maintained properties - **Fatigue Strength**: Outstanding in high-cycle applications --- ### 5. Product Specifications **Plate Size Range:** - **Thickness**: 5 mm to 75 mm (0.187" to 3") - **Width**: 500 mm to 1200 mm (20" to 48") - **Length**: 1000 mm to 3000 mm (40" to 120") **Available Conditions:** - **Solution Treated**: For machining and forming (Soft Condition) - **Aged**: Full mechanical properties (Hard Condition) - **Surface Finish**: Mill finish, ground, or polished **Tolerance Standards:** - **Thickness Tolerance**: ±5% standard, ±3% special - **Flatness**: 5 mm/m maximum - **Shearing Tolerance**: ±2 mm --- ### 6. Applications **Aerospace & Defense:** - Aircraft structural components - Missile body sections - Engine mounting plates - Armor plating applications **Medical Devices:** - Surgical plate implants - Medical equipment frames - Orthopedic device components - Surgical instrument bases **Industrial Applications:** - High-strength structural supports - Machinery base plates - Valve bodies and components - Specialized tooling plates **Special Applications:** - Nuclear component shielding - Research equipment structures - Semiconductor processing plates - High-performance automotive components --- ### 7. International Standards | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | R30159 | Material designation | | **AMS** | 5842 | Bar and forgings (plate applications) | | **ASTM** | F562 | Wrought cobalt-nickel alloy | | **ISO** | 5832-6 | Implants for surgery | --- ### 8. Fabrication & Processing **Cutting & Machining:** - **Plasma Cutting**: Suitable for thick plates - **Water Jet Cutting**: Ideal for complex shapes - **Machining Parameters**: Use carbide tools with positive rake - **Cutting Speeds**: 10–15 m/min for milling operations **Forming Operations:** - **Hot Forming**: 1040–1150°C (1900–2100°F) - **Cold Forming**: Limited in aged condition - **Minimum Bend Radius**: 4T for 90° bends - **Springback Allowance**: 15–20% **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 --- ### 9. Quality Assurance **Standard Testing:** - Ultrasonic testing per ASTM A578 - Tensile testing per ASTM E8 - Hardness testing per ASTM E18 - Chemical analysis certification **Additional Testing Available:** - Macro-etch examination - Charpy impact testing - Microstructural evaluation - Fatigue testing --- ### 10. Technical Advantages - **Ultra-high strength** with good fracture toughness - **Excellent fatigue performance** in structural applications - **Good corrosion resistance** in various environments - **Superior strength-to-weight ratio** - **Maintains mechanical properties** at elevated temperatures - **Proven reliability** in life-critical applications --- ### 11. Special Considerations **Material Handling:** - Protect from surface damage during handling - Store flat to prevent warping - Avoid contact with corrosive substances **Processing Notes:** - Complete machining before final aging treatment - Stress relief may be required after heavy machining - Proper fixturing during heat treatment essential --- **Note:** MP159 Plate offers exceptional performance for high-strength structural applications where conventional materials are inadequate. The material requires specialized processing and proper heat treatment to achieve optimal properties. Consult with our technical team for specific application recommendations and fabrication 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 2266 gallon liquid totes Special package is available on request.