Alloy R41,Udimet alloy R41 Pipe,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 Pipe (UNS N07041)** **Product Overview** Udimet Alloy R41 Pipe (UNS N07041) represents a high-performance precipitation-hardenable nickel-chromium-cobalt superalloy manufactured in tubular form. This product is specifically engineered for applications requiring exceptional strength, corrosion resistance, and structural stability in extreme temperature environments up to 1800°F (982°C). The pipe form enables critical fluid and gas handling in the most demanding aerospace, chemical processing, and power generation applications. **Chemical Composition** | Element | Content (%) | Function | |---------|-------------|-----------| | Nickel (Ni) | Balance | Matrix Element | | Chromium (Cr) | 18.00-20.00 | Oxidation/Corrosion 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 Former (Ni₃Ti) | | Aluminum (Al) | 1.40-1.80 | Gamma Prime Former (Ni₃Al) | | 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) | Room Temperature | | Melting Range | 1320-1410°C (2410-2570°F) | - | | Electrical Resistivity | 1.23 μΩ·m (48.6 μΩ·in) | 21°C (70°F) | | Thermal Conductivity | 10.7 W/m·K (74.0 Btu·in/(hr·ft²·°F)) | 21°C (70°F) | | Mean Coefficient of Thermal Expansion | 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) | Room Temperature | **Mechanical Properties (Typical for Solution Annealed & Aged Condition)** | Property | Value | |----------|-------| | Tensile Strength | 1240-1380 MPa (180-200 ksi) | | Yield Strength (0.2% Offset) | 1035-1140 MPa (150-165 ksi) | | Elongation | 10-20% | | Hardness | 36-42 HRC | **Heat Treatment Characteristics** - **Solution Annealing:** 1065-1080°C (1950-1975°F) followed by rapid cooling - **Aging Treatment:** Typically 760°C (1400°F) for 16 hours, furnace cool to 650°C (1200°F) for 16 hours, air cool - **Post-Weld Heat Treatment:** Required to restore optimum properties in welded sections **Product Applications** **Aerospace & Defense** - Jet engine bleed air systems - Afterburner fuel lines - Hydraulic and pneumatic systems in high-temperature zones - Rocket motor components - Thermal management systems **Oil & Gas Industry** - High-pressure downhole tubing - Wellhead components in sour service - Chemical injection lines - HP/HT (High Pressure/High Temperature) field components **Power Generation** - Steam turbine bypass systems - High-temperature boiler tubes - Nuclear reactor instrumentation lines - Heat exchanger tubing **Chemical Processing** - Reactor feed lines - High-temperature catalyst transport systems - Corrosive chemical transfer lines - Pyroprocessing equipment **International Standards & Specifications** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | ASTM International | ASTM B619/B626 | Welded and Seamless Pipe for Corrosive Service | | ASME | SB619/SB626 | Boiler and Pressure Vessel Code Specification | | Aerospace Material Specification | AMS 5580 | Seamless Pipe and Tubing | | DIN Standard | DIN 17750 | Nickel and Nickel Alloy Seamless Pipes | | UNS | N07041 | Unified Numbering System | | Werkstoff Nr. | 2.4972 | German Material Number | **Available Pipe Specifications** - **Size Range:** 1/8" to 24" OD (3 mm to 600 mm) - **Wall Thickness:** Schedule 5S to XXS (0.5 mm to 50 mm) - **Length:** Random (16-24 ft) or Cut to Length - **Manufacturing Process:** Seamless (Extruded/Pilgered) or Welded & Cold Worked **Fabrication Capabilities** - **Weldability:** Good using matching filler metals (ERNiCrMo-XX) - **Forming:** Can be cold bent with appropriate minimum bend radii - **Machining:** Recommended in annealed condition using carbide tools - **Heat Treatment:** Full solution annealing and aging possible after fabrication **Quality Assurance** - Non-destructive testing (NDT) including ultrasonic, eddy current, and dye penetrant inspection - Hydrostatic and pneumatic pressure testing per applicable standards - Full traceability from melt to finished product - Certification to EN 10204 3.2 or equivalent **Corrosion Resistance** - Excellent resistance to oxidation and scaling up to 1800°F (982°C) - Good resistance to sulfidation and hot corrosion - Maintains strength in corrosive environments including sour gas service Udimet Alloy R41 Pipe offers unparalleled performance for critical high-temperature, high-pressure applications where conventional stainless steels and nickel alloys prove inadequate. Its unique combination of strength, corrosion resistance, and fabricability makes it the material of choice for the most challenging engineering 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 2329 gallon liquid totes Special package is available on request.