MP159,MP159 Rod,UNS R30159,E FORU

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

### Technical Data Sheet: MP159 / MP159 Rod / UNS R30159 **Cobalt-Nickel-Chromium Superalloy Rod Product** --- ### 1. Product Overview **MP159 Rod** (UNS R30159) is supplied in rod 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 good fatigue properties, making it ideal for machining critical components requiring reliability in demanding environments up to **650°C (1200°F)**. --- ### 2. Chemical Composition (Weight %) | Element | Content (%) | Key Role | |---------|-------------|----------| | **Cobalt (Co)** | 25.0–30.0 | Matrix element | | **Nickel (Ni)** | 25.0–30.0 | Austenitic structure | | **Chromium (Cr)** | 18.0–20.0 | Corrosion & oxidation resistance | | **Iron (Fe)** | 7.0–11.0 | Solid solution strengthening | | **Molybdenum (Mo)** | 6.0–8.0 | Solid solution & precipitation hardening | | **Titanium (Ti)** | 2.5–3.25 | Formation of γ' precipitates | | **Niobium (Nb)** | 1.0–1.7 | Carbide & intermetallic formation | | **Aluminum (Al)** | 0.1–0.5 | Precipitation strengthening | | **Carbon (C)** | ≤ 0.04 | Controlled carbide formation | | **Manganese (Mn)** | ≤ 0.50 | Residual | | **Silicon (Si)** | ≤ 0.50 | Residual | --- ### 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 | | **Coefficient of Thermal Expansion** | 12.8 μm/m·°C (20–100°C) | | **Electrical Resistivity** | 1.12 μΩ·m | | **Magnetic Permeability** | Essentially non-magnetic | --- ### 4. Mechanical Properties **Room Temperature (Aged Condition):** - **Tensile Strength**: 1620–1790 MPa (235–260 ksi) - **Yield Strength (0.2% Offset)**: 1515–1655 MPa (220–240 ksi) - **Elongation**: 10–15% - **Reduction of Area**: 35–50% - **Hardness**: 44–48 HRC **Elevated Temperature Performance:** - **Useful Strength Range**: Up to 650°C (1200°F) - **Retains high strength** at elevated temperatures - **Good stress rupture** and creep properties --- ### 5. Product Specifications **Rod Size Range:** - **Diameter**: 3 mm to 150 mm (0.125" to 6") - **Length**: Random lengths 3-4 meters, cut lengths available - **Tolerance**: h9 standard, special tolerances available **Available Conditions:** - **Solution Treated**: For machining and forming - **Aged**: Full mechanical properties - **Centerless Ground**: Precision applications **Surface Finish:** - Black finish - Ground finish - Peeled finish - Polished finish (special order) --- ### 6. Applications **Aerospace Components:** - Engine mounting bolts and fasteners - Landing gear components - Structural fittings - Control system components **Defense Applications:** - Missile components - Ordnance devices - Weapon system parts **Medical Devices:** - Surgical instruments - Orthopedic implants - Medical fasteners **Industrial Applications:** - High-strength fasteners - Valve components - Spring components - Specialized machinery parts --- ### 7. International Standards | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | R30159 | Material designation | | **AMS** | 5842 | Bar and forgings | | **ASTM** | F562 | Wrought cobalt-nickel alloy | | **ISO** | 5832-6 | Implants for surgery | | **ASME** | - | Code case applications | --- ### 8. Machining & Fabrication **Machining Guidelines:** - **Tool Material**: Carbide recommended - **Cutting Speed**: 10-15 m/min for turning - **Feed Rate**: 0.1-0.2 mm/rev - **Coolant**: Heavy-duty soluble oil required - **Tool Geometry**: Positive rake angles preferred **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 **Finishing Operations:** - **Grinding**: Suitable with proper wheels - **Polishing**: Good results achievable - **Plating**: Compatible with various coatings --- ### 9. Quality Assurance **Standard Testing:** - Chemical analysis certification - Tensile testing at room temperature - Hardness testing - Macro-etch testing **Additional Testing Available:** - Ultrasonic examination - Microstructural evaluation - Stress rupture testing - Fatigue testing --- ### 10. Technical Advantages - **Ultra-high strength** with good toughness - **Excellent fatigue strength** - **Good corrosion resistance** - **Maintains properties** at elevated temperatures - **Consistent quality** throughout rod cross-section - **Proven reliability** in critical applications --- **Note:** MP159 Rod offers exceptional performance for high-strength component manufacturing. The material requires proper heat treatment to achieve optimal properties. Consult with our technical team for specific machining recommendations and heat treatment 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 2262 gallon liquid totes Special package is available on request.