Alloy 25 / L605,Udimet L605 Rod,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 Rod (UNS R30605)** **Correction of Designations and Technical Specifications for Rod Product Form** --- #### **1. Overview & Critical Designation Clarification** **Important Correction on Designations:** - **Correct Designations**: Alloy 25, L605, Haynes 25, UNS R30605 - **"Udimet L605 Rod"** is a misnomer - Udimet alloys are a separate family of nickel-based superalloys - **"UNS W73605"** is incorrect for this alloy - this UNS number does not apply to L605 material This datasheet provides accurate technical information for genuine **Alloy 25/L605/Haynes 25 Rod (UNS R30605)** - a cobalt-chromium-tungsten-nickel superalloy known for its exceptional high-temperature strength and corrosion resistance. --- #### **2. Chemical Composition (Typical Weight %)** | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | **Cobalt (Co)** | Balance | Base matrix providing solid-solution strength and inherent wear resistance | | **Chromium (Cr)** | 19.0 - 21.0 | Provides exceptional oxidation and hot corrosion resistance | | **Tungsten (W)** | 14.0 - 16.0 | Primary solid-solution strengthener for high-temperature strength | | **Nickel (Ni)** | 9.0 - 11.0 | Stabilizes the FCC structure, improving ductility and fabricability | | **Iron (Fe)** | 3.0 max | Impurity control | | **Manganese (Mn)** | 1.0 - 2.0 | Enhances hot workability and sulfur control | | **Silicon (Si)** | 0.30 - 0.60 | Acts as deoxidizer and improves oxidation resistance | | **Carbon (C)** | 0.05 - 0.15 | Forms carbides for wear resistance and grain boundary strength | | **Phosphorus (P)** | 0.03 max | Impurity control | | **Sulfur (S)** | 0.03 max | Impurity control | --- #### **3. Physical Properties** | Property | Value / Condition | |----------|-------------------| | **Density** | 9.13 g/cm³ (0.330 lb/in³) | | **Melting Range** | 1330 - 1410°C (2425 - 2570°F) | | **Thermal Conductivity** | 9.6 W/m·K (at 20°C) | | **Coefficient of Thermal Expansion** | 12.5 μm/m·K (20-100°C)
17.8 μm/m·K (20-1000°C) | | **Specific Heat Capacity** | 420 J/kg·K (at 20°C) | | **Electrical Resistivity** | 0.92 μΩ·m | | **Magnetic Permeability** | Essentially non-magnetic | | **Modulus of Elasticity** | 242 GPa (35 x 10^6 psi) | --- #### **4. Mechanical Properties for Rod Form** **Room Temperature Properties (Annealed Condition Rod)**: - **Tensile Strength**: 1000 - 1250 MPa (145 - 181 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 Performance (Rod Specific)**: - **Stress Rupture (870°C/1600°F)**: 100+ hours at 100 MPa - **Creep Strength (980°C/1800°F)**: Maintains structural integrity - **Fatigue Strength**: Excellent high-cycle fatigue resistance --- #### **5. Correct International Standards for Rod Product** | Standard Organization | Standard Designation | Description | |----------------------|----------------------|-------------| | **ASTM International** | **ASTM F90** | Wrought cobalt-20chromium-15tungsten-10nickel alloy | | **Aerospace (SAE/AMS)** | **AMS 5759** | Bars, forgings, and rings (Primary rod specification) | | **ASME** | **SB-574** | Rod and bar specifications | | **Unified Numbering System** | **UNS R30605** | Correct UNS designation | | **European (EN)** | **2.4964** | Material number | --- #### **6. Rod Product Applications** **Aerospace Components**: - Turbine engine shafts and pins - Engine mounting components - Actuator rods and linkages - High-temperature fasteners - Landing gear components **Power Generation**: - Turbine blades and vanes - Valve stems and components - Pump shafts and impellers - High-temperature studs and bolts **Industrial Applications**: - Chemical processing equipment rods - Heat treatment fixture components - Wear-resistant guides and pins - Nuclear reactor components **Medical Applications**: - Orthopedic implant components - Surgical instrument shafts - Dental implant abutments --- #### **7. Rod Product Specifications** **Available Rod Forms**: - **Round Rod**: 3 mm to 300 mm diameter - **Hexagonal Bar**: 5 mm to 100 mm across flats - **Square Bar**: 5 mm to 100 mm - **Custom Shapes**: Per customer specifications **Standard Conditions**: - **Annealed**: For optimal machinability and forming - **Hot Finished**: For larger diameters - **Centerless Ground**: For precision applications - **Peeled and Polished**: For superior surface finish **Tolerances**: - **Standard Tolerance**: h11 for diameters up to 100mm - **Precision Tolerance**: h9 available for critical applications - **Straightness**: 0.5 mm per 300 mm standard --- #### **8. Fabrication Notes for Rod Material** **Machining Recommendations**: - Use positive rake angles and sharp cutting tools - Carbide tooling recommended for production runs - Moderate speeds with consistent feed rates - Adequate cooling and chip clearance required **Heat Treatment**: - **Solution Annealing**: 1175-1230°C (2150-2250°F) - **Rapid Cooling**: Required to maintain properties - **Stress Relieving**: Available for machined components **Welding and Joining**: - Excellent weldability using TIG and MIG processes - Use matching L605 filler wire - Post-weld heat treatment generally not required --- #### **9. Quality Assurance for Rod Products** **Certification Requirements**: - Mill test certificates per EN 10204 3.1/3.2 - Chemical analysis verification - Mechanical property testing - Ultrasonic testing available - Full traceability from melt **Testing and Inspection**: - Dimensional verification - Surface quality inspection - Mechanical testing per ASTM E8/E21 - Non-destructive testing as required --- **Critical Notice**: This datasheet provides accurate technical data for genuine **Alloy 25/L605/Haynes 25 Rod (UNS R30605)**. The designations "Udimet L605 Rod" and "UNS W73605" are incorrect and should not be used for this material. Always verify material certifications against the correct specifications (AMS 5759, ASTM F90) for critical applications.

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 2210 gallon liquid totes Special package is available on request.