IN 713 UNS N07713 Centri-Vac Nickel Cobalt Based Alloy,Cast UNS N07713; 1

### **Product Introduction: INCONEL® 713 (IN 713) UNS N07713 Centri-Vac Nickel-Based Superalloy** **Overview** INCONEL® 713 (IN 713) is a precipitation-hardenable nickel-chromium superalloy specifically developed for high-temperature structural applications. When manufactured using the "Centri-Vac" process - combining centrifugal casting with vacuum melting - the alloy achieves exceptional metallurgical quality and mechanical properties. This alloy is characterized by its excellent high-temperature strength, outstanding creep resistance, and good castability, making it particularly suitable for critical rotating components in gas turbine engines operating at elevated temperatures. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | Balance | Matrix former | | **Chromium (Cr)** | 11.0 - 14.0 | Oxidation resistance | | **Molybdenum (Mo)** | 3.5 - 5.5 | Solid solution strengthening | | **Niobium (Nb)** | 1.5 - 2.5 | Precipitation hardening | | **Titanium (Ti)** | 0.3 - 0.7 | γ' formation | | **Aluminum (Al)** | 5.5 - 6.5 | Primary γ' former (Ni₃Al) | | **Cobalt (Co)** | ≤1.0 | Residual element | | **Carbon (C)** | 0.05 - 0.15 | Carbide formation | | **Boron (B)** | 0.005 - 0.015 | Grain boundary strengthening | | **Zirconium (Zr)** | 0.05 - 0.15 | Creep improvement | *Note: "INCONEL" is a registered trademark. "Centri-Vac" refers to proprietary centrifugal casting and vacuum melting processes.* --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 7.92 g/cm³ (0.286 lb/in³) - Melting Range: 1260-1340°C (2300-2445°F) - Thermal Expansion: 13.5 μm/m·°C @ 20-100°C - Thermal Conductivity: 17.2 W/m·K @ 500°C **Mechanical Properties (Heat Treated):** - Tensile Strength: 860 MPa (125 ksi) min - Yield Strength (0.2% Offset): 690 MPa (100 ksi) min - Elongation: 5% min - Creep Rupture Strength: Excellent at 870°C (1600°F) --- #### **International Standards and Specifications** - **AMS 5377:** Investment castings, vacuum melted - **AMS 5391:** Investment castings, vacuum melted (alternative specification) - **UNS N07713:** Unified Numbering System designation - **GE S-500:** General Electric material specification - **Pratt & Whitney CS-3000:** Proprietary specification --- #### **Product Applications** **Aerospace Applications:** - Turbine blades and vanes - Turbine wheels and rotors - Compressor components - Exhaust system components **Industrial Applications:** - Gas turbine components - High-temperature fasteners - Nuclear reactor components - Chemical processing equipment --- #### **Key Advantages** 1. **Excellent High-Temperature Strength**: Maintains mechanical properties up to 980°C (1800°F) 2. **Superior Creep Resistance**: Optimal for long-term high-stress applications 3. **Good Castability**: Suitable for complex component geometries 4. **Oxidation Resistance**: Performs well in oxidizing environments 5. **Microstructural Stability**: Maintains properties during long-term exposure --- **Conclusion** INCONEL® 713 Centri-Vac alloy represents a high-performance nickel-based superalloy designed for extreme temperature conditions in gas turbine applications. Its balanced composition, combined with advanced manufacturing processes, delivers reliable performance for critical rotating components. Governed by stringent specifications including AMS 5377 and AMS 5391, IN 713 continues to be a preferred material for aerospace and industrial applications where high-temperature strength and reliability are paramount.

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 3413 gallon liquid totes Special package is available on request.