Alloy R41,Udimet alloy R41 Other/Similar Specs,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 - Other Specifications & Equivalent Grades (UNS N07041)** **1.0 Product Overview** Udimet Alloy R41 (UNS N07041) represents a class of high-performance precipitation-hardenable nickel-chromium-cobalt superalloys with multiple international specifications and equivalent grades. This document covers the various international designations, alternative specifications, and comparable alloys that meet or exceed the performance characteristics of the standard Udimet R41 composition. **2.0 Chemical Composition (Base Line)** | 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 | **3.0 International Designations & Equivalent Specifications** **3.1 United States Specifications** - **UNS:** N07041 - **AMS:** 5545 (Sheet/Strip/Plate), 5707 (Bars/Forgings/Rings), 5712 (Forgings) - **ASTM:** B637 (Bars, Forgings), B366 (Fittings) - **ASME:** SB637, SB366 - **MIL Spec:** MIL-R-20166 - **Proprietary Names:** Udimet 41, Rene 41 **3.2 European Specifications** - **Germany:** DIN 2.4972, WNr 2.4972 - **United Kingdom:** BS HR13 - **France:** NCK19DAT - **Italy:** UNI NCr19Co10Mo - **EU Norm:** EN 10095 NiCr19Co10Mo **3.3 Asian Specifications** - **Japan:** JIS NCF 3A - **China:** GB GH104 - **India:** IS 7460 **4.0 Physical Properties (Standard Reference)** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 8.25 g/cm³ | 0.298 lb/in³ | | Melting Range | 1320-1410°C | 2410-2570°F | | Thermal Conductivity | 10.7 W/m·K | 74.0 Btu·in/(hr·ft²·°F) | | Mean CTE | 13.5 × 10⁻⁶/°C | 7.5 × 10⁻⁶/°F | | Modulus of Elasticity | 216 GPa | 31.4 × 10⁶ psi | **5.0 Mechanical Properties Comparison** **5.1 Standard Minimum Properties (Aged Condition)** - Tensile Strength: 1240-1380 MPa (180-200 ksi) - Yield Strength: 1035-1140 MPa (150-165 ksi) - Elongation: 8-15% - Hardness: 36-42 HRC **5.2 Property Variations by Specification** - **AMS 5707:** Optimized for forging applications - **DIN 2.4972:** European equivalent with similar properties - **GB GH104:** Chinese variant with comparable performance **6.0 Heat Treatment Standards** **6.1 Standard Heat Treatment** - Solution Treatment: 1065-1080°C (1950-1975°F) - Aging: 760°C/16h + 650°C/16h **6.2 Alternative Heat Treatments** - **European Practice:** Slight variations in aging temperatures - **Japanese Method:** Modified aging cycles for specific applications - **Russian Standard:** Alternative solution treatment parameters **7.0 Application Specifications** **7.1 Aerospace Applications** - Engine components per Pratt & Whitney PWA 1100 - GE Aircraft Engines specification C50TF12 - Rolls-Royce specifications RPS 950, 960 - Airbus and Boeing material specifications **7.2 Industrial Applications** - ASME Boiler and Pressure Vessel Code Case - API standards for oil and gas applications - Nuclear applications per RCC-MR **8.0 Quality & Testing Standards** **8.1 Testing Requirements** - **Chemical Analysis:** Per ASTM E1473, EN 10276-2 - **Mechanical Testing:** ASTM E8, E21, ISO 6892 - **Non-Destructive Testing:** Various standards based on application **8.2 Certification Requirements** - **US:** AMS 2355, ASTM A788 - **Europe:** EN 10204 3.1/3.2 - **Aerospace:** NADCAP accreditation requirements **9.0 Similar & Alternative Alloys** **9.1 Direct Equivalents** - Rene 41 (identical composition) - Udimet 41 (proprietary variant) - NIMONIC 107 (UK equivalent) **9.2 Comparable Alloys (Similar Performance)** - Waspaloy (UNS N07001) - INCONEL 718 (UNS N07718) - Haynes 282 (UNS N07208) - Rene 65 (UNS N07501) **10.0 Special Considerations** **10.1 Manufacturing Variations** - Different melting practices (VIM, VAR, ESR) - Alternative heat treatment cycles - Various quality levels based on application **10.2 Regional Availability** - North America: AMS specifications predominant - Europe: DIN and EN standards common - Asia: JIS and GB specifications available **11.0 Technical Documentation** **11.1 Approved Specifications** - Material Test Reports per EN 10204 - Certified Mill Test Reports - Source Inspection Reports **11.2 Regulatory Compliance** - FAA, EASA, and other aviation authority approvals - Nuclear regulatory compliance - Military qualification standards **12.0 Industry-Specific Variations** **12.1 Aerospace Versions** - Premium quality with enhanced NDT - Stringent traceability requirements - Special heat treatment lots **12.2 Industrial Versions** - Commercial grade availability - Modified testing requirements - Cost-optimized production routes This comprehensive specification guide demonstrates the global acceptance and standardization of Udimet Alloy R41 across multiple industries and international markets. While minor variations exist between different national standards and proprietary specifications, all maintain the essential characteristics that make this alloy suitable for the most demanding high-temperature 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 2336 gallon liquid totes Special package is available on request.