MP159,MP159 Pipe,UNS R30159,E FORU

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

### Technical Data Sheet: MP159 / MP159 Pipe / UNS R30159 **Cobalt-Nickel-Chromium Superalloy Pipe Product** --- ### 1. Product Overview **MP159 Pipe** (UNS R30159) is manufactured from an advanced cobalt-nickel-chromium superalloy specifically designed for high-pressure and high-temperature piping systems. This product maintains exceptional mechanical strength (up to 1790 MPa) and excellent corrosion resistance at temperatures up to **650°C (1200°F)**, making it suitable for critical fluid and gas handling applications in extreme environments. --- ### 2. Chemical Composition (Weight %) | Element | Content (%) | Key Characteristics | |---------|-------------|---------------------| | **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 | Gamma prime precipitate formation | | **Niobium (Nb)** | 1.0–1.7 | Carbide 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 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:** - **Maximum Service Temperature**: 650°C (1200°F) - **Pressure Rating**: Varies with temperature and pipe size - **Excellent creep and stress rupture properties** --- ### 5. Product Specifications **Pipe Size Range:** - **Outside Diameter**: 6 mm to 150 mm (0.25" to 6") - **Wall Thickness**: Schedule 5S to XXS - **Length**: Random 3-6 meters, cut lengths available **Manufacturing Processes:** - **Seamless Pipe**: Cold drawn or pilgered - **Welded Pipe**: For specific applications - **Surface Finish**: Pickled, polished, or as-drawn **Pressure Ratings:** - **ASME B31.3**: Compliant for process piping - **Temperature-Pressure Ratings**: Available upon request --- ### 6. Applications **Aerospace & Defense:** - Aircraft hydraulic systems - Missile fuel lines - Engine fuel manifolds - High-pressure air systems **Medical & Pharmaceutical:** - High-pressure gas systems - Surgical instrument air lines - Pharmaceutical processing **Industrial Applications:** - High-pressure instrumentation - Chemical processing - Oil and gas applications - Power generation systems --- ### 7. International Standards | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | R30159 | Material designation | | **AMS** | 5842 | Bar and forgings (base material) | | **ASTM** | F562 | Wrought cobalt-nickel alloy | | **ASME** | - | Code case applications | --- ### 8. Fabrication & Installation **Welding Procedures:** - **Not generally recommended** for fusion welding - **Mechanical joints** preferred - **Specialized techniques** required if welding necessary **Pipe Fitting & Joining:** - **Flanged Connections**: ASME B16.5 compatible - **Threaded Connections**: NPT threads available - **Compression Fittings**: Suitable for high-pressure service **Installation Guidelines:** - **Proper Support**: Required due to high density - **Thermal Expansion**: Allow for adequate expansion - **Handling**: Careful to prevent surface damage --- ### 9. Quality Assurance **Standard Testing:** - Hydrostatic or pneumatic testing - Eddy current or ultrasonic examination - Dimensional verification - Chemical and mechanical certification **Special Requirements:** - 100% non-destructive testing available - PMI verification - Surface quality inspection --- ### 10. Technical Advantages - **Ultra-high strength** in pressure applications - **Excellent fatigue resistance** - **Good corrosion resistance** - **Maintains properties** at elevated temperatures - **Reliable performance** in critical systems --- **Note:** MP159 Pipe offers exceptional performance for high-pressure, high-temperature applications where conventional materials are inadequate. Consult with our engineering team for specific pressure-temperature ratings and application recommendations.

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 2264 gallon liquid totes Special package is available on request.