Alloy R41,Udimet alloy R41 Wire,UNS N07041,E FORU

British Specs:，American Specs: AMS 5545 Sheet, Strip and Plate AMS 5712 Bars and Forgings AMS 5713 Bars and Forgings AMS 5800 Welding Wire，German Specs:

**Technical Data Sheet: Udimet Alloy R41 Wire (UNS N07041)** **1.0 Product Overview** Udimet Alloy R41 Wire (UNS N07041) is a high-strength, precipitation-hardenable nickel-chromium-cobalt superalloy produced in wire form. This product combines exceptional high-temperature performance with excellent drawability and surface quality, making it suitable for critical applications including fasteners, welding electrodes, springs, and high-temperature wire forms. The wire maintains outstanding mechanical properties and oxidation resistance at temperatures up to 980°C (1800°F). **2.0 Chemical Composition** | Element | Content (%) | Primary Function | |---------|-------------|------------------| | Ni | Balance | Austenitic Matrix | | Cr | 18.0-20.0 | Oxidation Resistance | | Co | 10.0-12.0 | Solid Solution Strengthening | | Mo | 9.0-10.5 | Solid Solution Strengthening | | Ti | 3.0-3.5 | Gamma Prime Former (Ni₃Ti) | | Al | 1.4-1.8 | Gamma Prime Former (Ni₃Al) | | Fe | 5.0 max | - | | C | 0.06-0.12 | Carbide Formation | | B | 0.003-0.010 | Grain Boundary Strengthening | | Si | 0.50 max | - | | Mn | 0.50 max | - | | Cu | 0.50 max | - | **3.0 Physical Properties** | Property | Metric Value | Imperial Value | Condition | |----------|--------------|----------------|-----------| | Density | 8.25 g/cm³ | 0.298 lb/in³ | Room Temperature | | Melting Range | 1320-1410°C | 2410-2570°F | - | | Electrical Resistivity | 1.23 μΩ·m | 48.6 μΩ·in | 21°C | | Thermal Conductivity | 10.7 W/m·K | 74.0 Btu·in/(hr·ft²·°F) | 21°C | | Mean CTE | 13.5 × 10⁻⁶/°C | 7.5 × 10⁻⁶/°F | 20-650°C | | Modulus of Elasticity | 216 GPa | 31.4 × 10⁶ psi | Room Temperature | **4.0 Mechanical Properties** **4.1 Solution Annealed Condition** - Tensile Strength: 860-1030 MPa (125-150 ksi) - Yield Strength (0.2% Offset): 550-690 MPa (80-100 ksi) - Elongation: 25-35% - Hardness: 25-32 HRC **4.2 Fully Heat Treated Condition** - Tensile Strength: 1240-1380 MPa (180-200 ksi) - Yield Strength (0.2% Offset): 1035-1140 MPa (150-165 ksi) - Elongation: 12-20% - Reduction in Area: 20-30% **5.0 Product Specifications** **5.1 Standard Wire Sizes** - **Diameter Range:** 0.5 mm to 12.0 mm (0.020" to 0.500") - **Tolerance:** ±0.025 mm (±0.001") for diameters < 2mm - **Spool Weights:** 5-500 kg (10-1100 lbs) - **Surface Finish:** Bright, oxide-free, clean **5.2 Available Conditions** - Solution annealed - Hard drawn (various tempers) - Aged to specific strength levels - Special surface finishes available **6.0 Manufacturing Processes** **6.1 Production Methods** - Hot rolling to rod - Multi-pass cold drawing - Intermediate annealing - Surface conditioning - Spooling and packaging **6.2 Quality Control** - Continuous diameter monitoring - Surface defect inspection - Mechanical property testing - Spooling quality verification **7.0 Heat Treatment** **7.1 Standard Treatment** - Solution Annealing: 1065-1080°C (1950-1975°F) - Aging Treatment: 760°C/16 hours + 650°C/16 hours - Atmosphere controlled to prevent surface contamination **7.2 Special Considerations** - Controlled cooling after solution treatment - Stress relieving after cold drawing - Special aging cycles for specific applications **8.0 Product Applications** **8.1 Fastener Manufacturing** - High-temperature bolts and studs - Engine mounting bolts - Special purpose fasteners - Nuclear component fasteners **8.2 Welding Applications** - GTAW and GMAW welding wire - Repair and maintenance welding - Cladding and hardfacing - Dissimilar metal joining **8.3 Spring Manufacturing** - High-temperature springs - Valve springs - Instrument springs - Special wire forms **8.4 Other Applications** - Wire mesh for high-temperature filters - Electrical resistance heating elements - Nuclear reactor components - Chemical processing equipment **9.0 International Standards & Specifications** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | ASTM International | ASTM B637 | Precipitation-Hardening Nickel Alloy Wire | | AMS | AMS 5836 | Wire, Corrosion and Heat Resistant | | AWS | A5.14 | Nickel Alloy Welding Electrodes | | DIN | DIN 1736 | Welding Filler Materials | | UNS | N07041 | Unified Numbering System | **10.0 Fabrication Characteristics** **10.1 Forming & Machining** - Excellent cold forming characteristics - Good machinability in annealed condition - Can be headed, threaded, and formed - Suitable for automatic screw machines **10.2 Welding Performance** - Excellent weldability with matching composition - Low tendency for hot cracking - Good fluidity and wetting characteristics - Suitable for all position welding **11.0 Quality Assurance** **11.1 Testing Requirements** - Chemical composition verification - Mechanical property testing - Surface quality inspection - Dimensional accuracy checking - Spooling quality assessment **11.2 Certification** - Mill Test Certificates per EN 10204 3.1 - Full traceability to melt - Heat treatment certification - Compliance with customer specifications **12.0 Packaging & Handling** **12.1 Standard Packaging** - Plastic or wooden spools - Moisture-proof wrapping - Protective end fixing - Clear identification labeling **12.2 Storage & Handling** - Store in dry conditions - Protect from mechanical damage - Avoid contamination during handling - Use proper handling equipment Udimet Alloy R41 Wire offers exceptional high-temperature strength, oxidation resistance, and fabrication versatility for the most demanding applications across aerospace, power generation, and industrial sectors. Its consistent quality and reliable performance make it the material of choice for critical components operating in extreme environments.

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 2338 gallon liquid totes Special package is available on request.