Hangbo Alloy Group supplies a range of INCONEL 713C alloy products, including round bars, plates, strips, seamless tubes, forgings, and wires. Below is a comprehensive overview of INCONEL 713C.
1. Introduction to INCONEL 713C
Description: INCONEL 713C (UNS N07713) is a precipitation-hardenable cast nickel-chromium superalloy designed for extreme thermal and mechanical conditions. It exhibits exceptional creep resistance, oxidation resistance, and thermal fatigue stability up to 980°C, ideal for high-temperature hot-section components.
International Equivalents:
USA: UNS N07713, AMS 5381/5391
China: K418 (K18)
Europe: EN NiCr13Mo4Nb
2. Standards for INCONEL 713C Products
Investment Castings: ASTM A957, AMS 5391, AMS 5392
Round Bars: AMS 5381, YB/T 5248
Forgings: ASTM B564, ASME SB-564
Quality Spec: MIL-I-23011 (Military)
3. Chemical Composition of INCONEL 713C (wt%)
Element Content (%)
Nickel (Ni) Balance
Chromium (Cr) 11.5 – 13.5
Molybdenum (Mo) 3.8 – 5.2
Aluminum (Al) 5.5 – 6.5
Niobium (Nb) 1.8 – 2.8 (Nb+Ta)
Titanium (Ti) 0.5 – 1.2
Carbon (C) 0.08 – 0.20
Iron (Fe) ≤ 1.0
Silicon (Si) ≤ 0.50
Manganese (Mn) ≤ 0.50
Zirconium (Zr) 0.05 – 0.15
Boron (B) 0.005 – 0.015
4. Physical Properties of INCONEL 713C
Property Value
Density 8.0 g/cm³
Melting Range 1295 – 1345°C
Hardness HRC 33 – 37
Thermal Conductivity 10.15 W/(m·°C)
5. Material Characteristics of INCONEL 713C
High-Temperature Strength: Outstanding creep rupture strength and structural stability at 760–980°C.
Oxidation Resistance: Excellent resistance to oxidation and thermal fatigue up to 980°C.
Castability: Superior fluidity for complex investment castings; retains properties after HIP & heat treatment.
Thermal Stability: Resists σ-phase formation during long-term aging at 800°C.
Machinability: Suitable for CNC machining; pre/post-weld heat treatment recommended for welding.
6. Applications of INCONEL 713C
Aerospace: Turbine blades, vanes, combustion chambers, afterburner components, turbocharger wheels.
Power Generation: Industrial gas turbine buckets, nozzles, hot gas path components.
Marine: Ship propulsion turbine parts, marine gas turbine components.
Oil & Gas: Downhole tools, high-temperature valves, and components in corrosive thermal environments.
