MP159,MP159 Sheet,UNS R30159,E FORU

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

### Technical Data Sheet: MP159 / MP159 Sheet / UNS R30159 **Cobalt-Nickel-Chromium Superalloy Sheet Product** --- ### 1. Product Overview **MP159 Sheet** (UNS R30159) is supplied in sheet 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 in thin sections, making it ideal for lightweight structural components operating in 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**: 1550–1720 MPa (225–250 ksi) - **Yield Strength (0.2% Offset)**: 1450–1585 MPa (210–230 ksi) - **Elongation**: 8–12% - **Hardness**: 42–46 HRC **Elevated Temperature Performance:** - **Useful Temperature Range**: Up to 650°C (1200°F) - **Stress Rupture Strength**: Excellent maintained properties - **Fatigue Strength**: Outstanding in thin-section applications --- ### 5. Product Specifications **Sheet Size Range:** - **Thickness**: 0.5 mm to 6.0 mm (0.020" to 0.236") - **Width**: 300 mm to 900 mm (12" to 36") - **Length**: 1000 mm to 2400 mm (40" to 96") **Available Conditions:** - **Solution Treated**: For forming and machining - **Aged**: Full mechanical properties - **Surface Finish**: Mill finish, ground, or polished **Tolerance Standards:** - **Thickness Tolerance**: ±5% standard - **Width Tolerance**: ±2 mm - **Length Tolerance**: ±3 mm - **Flatness**: 3 mm/m maximum --- ### 6. Applications **Aerospace & Defense:** - Aircraft structural panels - Missile skin components - Engine shroud sections - Armor protection systems **Medical Devices:** - Surgical instrument components - Implantable device housings - Medical equipment chassis - Orthopedic device parts **Industrial Applications:** - High-strength diaphragms - Pressure vessel liners - Machinery covers and guards - Specialized tooling components **Electronics & Special Applications:** - Semiconductor processing components - Vacuum chamber fixtures - Research equipment parts - High-performance automotive components --- ### 7. International Standards | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | R30159 | Material designation | | **AMS** | 5842 | Sheet and strip applications | | **ASTM** | F562 | Wrought cobalt-nickel alloy | | **ISO** | 5832-6 | Implants for surgery | --- ### 8. Fabrication & Processing **Forming & Stamping:** - **Cold Forming**: Limited in aged condition - **Hot Forming**: 1040–1150°C (1900–2100°F) recommended - **Minimum Bend Radius**: 3T for 90° bends - **Stamping**: Suitable with proper die design **Cutting & Machining:** - **Shearing**: Clean edges achievable - **Laser Cutting**: Suitable for complex shapes - **Waterjet Cutting**: Ideal for thick sheets - **Machining**: Use carbide tools with adequate coolant **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 - Surface quality inspection **Additional Testing Available:** - Microstructural evaluation - Grain size measurement - Fatigue testing of thin sections - Corrosion resistance testing --- ### 10. Technical Advantages - **Ultra-high strength** in thin sheet configurations - **Excellent fatigue performance** in lightweight structures - **Good corrosion resistance** in various environments - **Superior strength-to-weight ratio** - **Maintains mechanical properties** at elevated temperatures - **Excellent surface finish** capabilities --- ### 11. Special Considerations **Material Handling:** - Protect from surface scratches and damage - Store flat with proper support - Handle with clean gloves to prevent contamination **Processing Notes:** - Forming operations best done in solution-treated condition - Final aging after all forming operations complete - Proper cleaning essential before heat treatment --- **Note:** MP159 Sheet offers exceptional performance for high-strength, lightweight applications where conventional materials cannot meet requirements. 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 2267 gallon liquid totes Special package is available on request.