Nickelvac C-263 Nickel Superalloy,UNS N07263; AMS 5886, 5966,E FORU

**Product Overview: Nickelvac® C-263 Nickel Superalloy (UNS N07263)** **Nickelvac® C-263** (UNS N07263) is a premium precipitation-hardenable nickel-chromium-cobalt superalloy specifically engineered for applications requiring excellent high-temperature strength combined with superior fabricability and weldability. Conforming to AMS 5886 and AMS 5966 standards, this advanced alloy maintains outstanding mechanical properties at temperatures up to 800°C (1470°F), making it particularly suitable for sheet metal components in gas turbine engines and other high-temperature applications. --- ### **Key Characteristics & Advantages** - **Excellent High-Temperature Strength**: Maintains mechanical properties up to 800°C (1470°F) - **Superior Fabricability**: Excellent formability and weldability compared to other superalloys - **Good Oxidation Resistance**: Reliable performance in high-temperature oxidizing atmospheres - **Rapid Age Hardening Response**: Achieves full properties with relatively short aging treatments - **Good Thermal Stability**: Maintains properties under prolonged thermal exposure - **Excellent Creep Resistance**: Superior long-term performance under stress --- ### **Chemical Composition (Typical Weight %)** | Element | Content Range (%) | Function Description | |------------------|-------------------|-----------------------| | **Nickel (Ni)** | Balance | Base element providing austenitic matrix | | **Chromium (Cr)**| 19.0-21.0 | Primary element for oxidation and corrosion resistance | | **Cobalt (Co)** | 19.0-21.0 | Enhances high-temperature strength and stability | | **Molybdenum (Mo)**| 5.60-6.10 | Solid solution strengthener | | **Aluminum (Al)**| 0.30-0.60 | Forms γ' precipitation hardening phase | | **Titanium (Ti)**| 1.90-2.40 | Enhances γ' formation and stability | | **Iron (Fe)** | ≤0.70 | Controlled impurity | | **Carbon (C)** | ≤0.04-0.08 | Controlled for carbide formation | | **Manganese (Mn)**| ≤0.60 | Improves hot workability | | **Silicon (Si)** | ≤0.40 | Enhances oxidation resistance | --- ### **Physical Properties** | Property | Typical Value | Test Conditions | |---------------------------------|------------------------|--------------------------| | **Density** | 8.36 g/cm³ | At room temperature | | **Melting Range** | 1330-1360°C | Solidus-Liquidus | | **Thermal Expansion Coefficient**| 13.9 × 10⁻⁶/°C | 20-500°C range | | **Thermal Conductivity** | 15.6 W/m·K | At 800°C | | **Specific Heat Capacity** | 460 J/kg·K | At 800°C | | **Electrical Resistivity** | 1.23 μΩ·m | At 20°C | | **Young's Modulus** | 218 GPa | At room temperature | --- ### **Mechanical Properties** #### **Solution Treated and Aged Condition** | Property | Temperature | Typical Value | |------------------------|-------------|----------------------| | **Tensile Strength** | 20°C | 950-1100 MPa | | **Tensile Strength** | 750°C | 650-750 MPa | | **Yield Strength (0.2%)** | 20°C | 580-690 MPa | | **Yield Strength (0.2%)** | 750°C | 480-550 MPa | | **Elongation** | 20°C | 25-35% | | **Elongation** | 750°C | 20-28% | | **Creep Rupture Strength** | 750°C | 180 MPa (1000h) | --- ### **Heat Treatment** Standard heat treatment sequence includes: - **Solution Treatment**: 1150°C ± 10°C for 1-2 hours, rapid air cool - **Aging Treatment**: 800°C ± 10°C for 8 hours, air cool --- ### **International Standards & Specifications** Nickelvac® C-263 complies with the following international standards: - **AMS 5886**: Sheet, Strip, and Plate, Solution Heat Treated - **AMS 5966**: Bars, Forgings, and Rings - **ASTM B637**: Precipitation Hardening Nickel Alloy Bars, Forgings, and Forging Stock - **GE Specification**: S69 - **Rolls-Royce**: RRS 70003 - **Pratt & Whitney**: PWA 1017 --- ### **Applications** 1. **Aerospace Gas Turbine Engines**: - Combustion chamber components - Exhaust system casings - Afterburner components - Turbine casings and seals - Sheet metal fabrications 2. **Industrial Gas Turbines**: - Combustion liners - Transition ducts - Hot gas path components - Exhaust diffusers 3. **High-Temperature Fabrications**: - Welded assemblies - Formed sheet metal components - Complex fabricated structures - High-temperature ducting systems --- ### **Manufacturing Considerations** - **Forming**: Excellent cold formability in solution treated condition - **Welding**: Superior weldability using matching filler metals - **Machining**: Good machinability in solution treated condition - **Heat Treatment**: Rapid aging response simplifies heat treatment - **Post-Weld Heat Treatment**: Often unnecessary due to alloy characteristics --- ### **Available Forms** - **Sheet and Strip**: Various thicknesses from 0.3mm to 6.0mm - **Plate**: Thicknesses from 6.0mm to 50mm - **Bar and Rod**: Various diameters - **Forgings**: Custom shapes and sizes - **Welding Wire**: For fabrication and repair --- **Disclaimer**: *The information provided is for technical reference purposes only. Nickelvac® C-263 is a specialized superalloy requiring proper processing and heat treatment to achieve specified properties. Actual performance may vary depending on manufacturing processes, heat treatment parameters, and specific application conditions. Users should consult with qualified materials engineers and adhere to OEM specifications for critical applications. All manufacturing and processing should follow approved procedures and quality standards.*

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 3123 gallon liquid totes Special package is available on request.