Alloy R41,Udimet alloy R41 Bar(Round bar, Flat bar),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 Bar (Round Bar & Flat Bar) UNS N07041** **Product Overview** Udimet Alloy R41 Bar (UNS N07041) is a premium precipitation-hardenable nickel-chromium-cobalt superalloy available in both round bar and flat bar configurations. This high-strength material is specifically engineered to maintain exceptional mechanical properties and oxidation resistance in extreme temperature environments up to 1800°F (982°C). The "Udimet" designation identifies it as part of the renowned family of nickel-based superalloys developed for the most demanding aerospace and industrial applications. **Chemical Composition** | Element | Content (%) | Function | |---------|-------------|-----------| | Nickel (Ni) | Balance | Base Element | | Chromium (Cr) | 18.00-20.00 | Oxidation Resistance | | Cobalt (Co) | 10.00-12.00 | Solid Solution Strengthening | | Molybdenum (Mo) | 9.00-10.50 | Solid Solution Strengthening | | Titanium (Ti) | 3.00-3.50 | Gamma Prime Formation | | Aluminum (Al) | 1.40-1.80 | Gamma Prime Formation | | Iron (Fe) | 5.00 max | - | | Carbon (C) | 0.06-0.12 | Carbide Formation | | Boron (B) | 0.003-0.010 | Grain Boundary Strengthening | | Silicon (Si) | 0.50 max | - | | Manganese (Mn) | 0.50 max | - | | Copper (Cu) | 0.50 max | - | **Physical Properties** | Property | Value | Condition | |----------|-------|-----------| | Density | 8.25 g/cm³ (0.298 lb/in³) | At room temperature | | Melting Range | 1320-1410°C (2410-2570°F) | - | | Electrical Resistivity | 1.23 μΩ·m (48.6 μΩ·in) | At 21°C (70°F) | | Thermal Conductivity | 10.7 W/m·K (74.0 Btu·in/(hr·ft²·°F)) | At 21°C (70°F) | | Mean CTE | 13.5 × 10⁻⁶/°C (7.5 × 10⁻⁶/°F) | 20-650°C (70-1200°F) | | Modulus of Elasticity | 216 GPa (31.4 × 10⁶ psi) | At room temperature | **Mechanical Properties (Typical for Heat-Treated Condition)** | Property | Value | |----------|-------| | Tensile Strength | 1240-1380 MPa (180-200 ksi) | | Yield Strength (0.2% Offset) | 1035-1140 MPa (150-165 ksi) | | Elongation | 8-15% | | Reduction in Area | 15-25% | **Heat Treatment** - **Solution Treatment:** 1065-1080°C (1950-1975°F) followed by rapid cooling - **Aging:** Multi-stage process typically including 760°C (1400°F) for 16 hours, furnace cool to 650°C (1200°F) for 16 hours, then air cool **Product Applications** **Aerospace & Defense** - Turbine blades and vanes - Engine mounting components - Afterburner parts - High-temperature fasteners and fittings - Missile components **Industrial Applications** - Gas turbine components - Nuclear reactor components - High-temperature tooling - Chemical processing equipment - Thermal processing fixtures **Power Generation** - Turbine disks and shafts - Combustion chamber components - Heat exchangers in advanced power systems **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | ASTM International | ASTM B637 | Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock | | Aerospace Material Specification | AMS 5707 | Bars, Forgings, and Rings, Solution Heat Treated | | Aerospace Material Specification | AMS 5712 | Forgings and Rings, Solution Heat Treated, Precipitation Hardenable | | UNS | N07041 | Unified Numbering System | | Werkstoff Nr. | 2.4972 | German Material Number | **Available Forms & Sizes** - **Round Bar Diameter:** 0.125 inches to 12 inches (3 mm to 300 mm) - **Flat Bar Thickness:** 0.125 inches to 4 inches (3 mm to 100 mm) - **Flat Bar Width:** 0.5 inches to 12 inches (12 mm to 300 mm) **Machining & Fabrication** - Best machined in the solution-annealed condition - Requires rigid machine tools and positive rake angles - Recommended use of carbide tools for optimal results - Can be welded using matching filler metals following proper procedures **Quality Assurance** - Melted using Vacuum Induction Melting (VIM) and/or Vacuum Arc Remelting (VAR) - Ultrasonic testing available for internal quality verification - Full traceability and certification provided - Compliance with NADCAP and other industry-specific quality requirements Udimet Alloy R41 Bar represents the pinnacle of high-temperature material technology, offering unparalleled performance in the most demanding applications where strength, corrosion resistance, and thermal stability are critical.

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 2328 gallon liquid totes Special package is available on request.