Alloy 25 / L605,Udimet L605 Forgings,UNS W73605,E FORU

British Specs:，American Specs:AMS 5537 Sheet AMS 5759 Bar & Rod AMS 5796 Welding wire AMS 5797 Covered welding rod，German Specs:

### Technical Data Sheet: Alloy 25 / L605 / Haynes 25 Forgings (UNS R30605) **Premium Quality High-Temperature Forged Components** --- #### 1. Overview & Designation Clarification **CORRECT DESIGNATIONS:** - **Alloy 25, L605, Haynes 25** - Standard commercial names - **UNS R30605** - Correct Unified Numbering System designation - **AMS 5759** - Primary forging specification **DESIGNATION CORRECTION:** - "Udimet L605" is incorrect - Udimet alloys are nickel-based superalloys - "UNS W73605" is incorrect for this material Alloy 25 Forgings represent the highest quality wrought product form of this cobalt-chromium-tungsten-nickel superalloy. Through controlled thermomechanical forging processes, these components achieve superior mechanical properties, refined grain structure, and optimized material integrity for the most demanding high-temperature applications. --- #### 2. Chemical Composition (Typical Weight %) | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | **Cobalt (Co)** | Balance | Base matrix providing solid-solution strength and wear resistance | | **Chromium (Cr)** | 19.0 - 21.0 | Exceptional oxidation and hot corrosion resistance | | **Tungsten (W)** | 14.0 - 16.0 | Primary solid-solution strengthener | | **Nickel (Ni)** | 9.0 - 11.0 | Stabilizes FCC structure, improves ductility | | **Iron (Fe)** | 3.0 max | Impurity control | | **Manganese (Mn)** | 1.0 - 2.0 | Enhances hot workability | | **Silicon (Si)** | 0.30 - 0.60 | Improves oxidation resistance | | **Carbon (C)** | 0.05 - 0.15 | Carbide formation for wear resistance | --- #### 3. Physical Properties | Property | Value | |----------|-------| | **Density** | 9.13 g/cm³ (0.330 lb/in³) | | **Melting Range** | 1330 - 1410°C (2425 - 2570°F) | | **Thermal Conductivity** | 9.6 W/m·K (20°C) | | **Coefficient of Thermal Expansion** | 12.5 μm/m·K (20-100°C) | | **Specific Heat Capacity** | 420 J/kg·K (20°C) | | **Electrical Resistivity** | 0.92 μΩ·m | | **Magnetic Permeability** | Essentially non-magnetic | | **Forging Temperature Range** | 1150-1200°C (2100-2190°F) | --- #### 4. Mechanical Properties **Forgings (Heat Treated Condition):** - **Tensile Strength**: 1000 - 1300 MPa (145 - 188 ksi) - **0.2% Yield Strength**: 500 - 700 MPa (73 - 102 ksi) - **Elongation**: 45 - 55% - **Reduction of Area**: 50 - 65% - **Hardness**: Rockwell B 98 - 108 - **Impact Strength**: 80 - 100 J (Charpy V-notch) **Elevated Temperature Properties:** - **Creep Rupture Strength (870°C/1600°F)**: 100+ hours at 100 MPa - **Stress Rupture (980°C/1800°F)**: Maintains significant load-bearing capability - **Thermal Fatigue Resistance**: Excellent performance under cyclic conditions --- #### 5. International Standards & Specifications | Standard | Description | Application | |----------|-------------|-------------| | **AMS 5759** | Bars, forgings, and rings | Primary specification | | **ASTM F90** | Wrought cobalt-chromium-tungsten alloy | Material standard | | **ASME SB-574** | Forged or rolled alloy components | Pressure applications | | **UNS R30605** | Correct UNS designation | Material identification | | **EN 2.4964** | European material number | International reference | --- #### 6. Product Applications **Aerospace & Defense:** - Gas turbine engine components - Turbine blades and vanes - Afterburner components - Missile structural components - Rocket engine parts **Power Generation:** - Gas turbine disks and seals - Steam turbine components - High-temperature fasteners - Valve bodies and stems - Turbine buckets and blades **Industrial & Medical:** - Chemical processing equipment - High-temperature tooling - Medical implant components - Nuclear reactor components - Specialized machinery parts --- #### 7. Forging Capabilities & Processes **Forging Methods:** - **Open-die forgings** - Large, simple shapes - **Closed-die forgings** - Complex, precision shapes - **Precision forgings** - Near-net shape components - **Ring rolling** - Circular components - **Upset forgings** - Headed components **Available Forms:** - **Billet Size**: 50mm to 500mm diameter - **Ring Size**: Up to 3000mm diameter - **Disk Forgings**: Various configurations - **Custom Shapes**: Per customer specifications - **Weight Range**: 1kg to 2000kg **Heat Treatment:** - **Solution Annealing**: 1175-1230°C (2150-2250°F) - **Rapid Cooling**: Water quench for optimal properties - **Stress Relieving**: Available for machined components - **Full Certification**: Heat treatment documentation provided --- #### 8. Quality Assurance & Testing **Non-Destructive Testing:** - **Ultrasonic Testing** per AMS 2630 - **Liquid Penetrant Inspection** per AMS 2647 - **Magnetic Particle Inspection** (where applicable) - **Radiographic Examination** for critical sections **Destructive Testing:** - **Tensile Testing** at room and elevated temperatures - **Impact Testing** (Charpy V-notch) - **Hardness Surveys** across critical sections - **Microstructural Examination** - **Grain Size Determination** per ASTM E112 **Certification & Documentation:** - **Mill Certification** to ASTM F90 - **Heat Treatment Certification** per AMS 2750 - **Chemical Analysis Report** - **Mechanical Test Reports** - **Non-Destructive Testing Reports** - **Full Traceability** from melt to final product --- #### 9. Technical Advantages **Material Benefits:** - Superior grain structure and flow lines - Elimination of casting defects - Enhanced mechanical properties - Improved fatigue resistance - Better structural reliability **Performance Characteristics:** - Excellent high-temperature strength - Outstanding oxidation resistance - Good thermal fatigue resistance - Superior creep rupture strength - Excellent structural stability --- **Important Note**: This datasheet provides accurate technical data for genuine **Alloy 25/L605/Haynes 25 Forgings (UNS R30605)**. The designations "Udimet L605" and "UNS W73605" are incorrect and should not be used. Always verify material certifications against AMS 5759 for critical applications. Specific mechanical properties may vary depending on forging size, configuration, and heat treatment parameters. Consult with our engineering team for application-specific 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 2218 gallon liquid totes Special package is available on request.