Introduction
Inconel 713C Alloy (GH2136) is an iron-nickel-chromium-based precipitated lymphoma-type deformed high-temperature alloy, which provides reliable material support for high-temperature engineering fields such as aerospace engines. Its excellent performance is closely related to the composition of the proposed design, allowing it to perform fantastically in high-temperature environments. As a high-quality high-temperature alloy material, GH2136 alloy contains nickel, chromium, molybdenum, titanium, aluminum, niobium, vanadium, manganese, silicon, phosphorus, sulfur and other elements. GH2136 alloy has good high temperature strength, corrosion resistance and thermal stability. At the same time, the standards of GH2136 alloy stipulate the requirements and standards for its chemical composition, physical properties and mechanical properties, which can ensure its quality and performance.

Chemical components(%)
| Composition | C | Si | Mn | P | S | Cr | Ni | Mo | Al | Ti | V | B |
| Min | \ | \ | \ | \ | \ | 13.00 | 24.50 | 1.00 | \ | 2.40 | 0.01 | 0.005 |
| Max | 0.06 | 0.75 | 0.35 | 0.025 | 0.025 | 16.00 | 28.50 | 1.75 | 0.35 | 3.20 | 0.10 | 0.025 |
Mechanical properties
| Rigidity | Tensile strength | Yield strength | Elongation |
| 220HB | ≥980MPa | ≥490MPa | ≥30% |
Physical properties
| Density | Melting points | Specific heat | Magnetism | Resistivity | Thermal conductivity | Linear expansivity |
| 8.03g/cm3 | 1330℃ | 19.27J/(Kg.℃) | \ | 0.863Ω·mm²/m(20℃) | 12.2-26.4W/(m.k)(100-900℃) | 19.27×10-6/K(20-800℃) |
GH2136 / Inconel 713C Alloy Available Products and Standard
1. GB/T 14992 (Superalloys – Classification and Specifications)
Type:
Inconel 713C Alloy Wire
Inconel 713C Alloy Bar
Inconel 713C Alloy Forging
Inconel 713C Alloy Rod
Size Range:
Wire: 0.5 – 15.0 mm dia
Bar: 8 – 355 mm dia
Forging: Custom sizes available
Surface: Annealed, Pickled, Ground, Turned
Testing: Chemical analysis, mechanical test (tensile strength, yield strength, elongation), high-temperature stress rupture test, hardness test, dimensional inspection

2. AMS 5391 / ASTM A567 (Standard Specification for Precipitation Hardening Nickel-Based Superalloys)
Grade: GH2136 / Inconel 713C / Ni-Cr based precipitation hardening alloy
Type: Wire / Bar / Forging / Rod
Size Range:
Wire: 0.5 – 15.0 mm dia (coils or straight)
Bar: 8 – 355 mm dia (hot rolled or cold drawn)
Forging: Custom sizes per customer drawing
Surface: Annealed, Pickled, Ground, Polished
Testing: Chemical analysis, mechanical test (tensile, yield, elongation), high-temperature stress rupture test, hardness test, ultrasonic test (for bar), dimensional inspection

Advantages
(1)High temperature strength: As a precipitation hardening iron-nickel base superalloy, it maintains good yield strength and tensile strength up to 700°C, making it suitable for high-stress, high-temperature applications.
(2)Creep and fatigue resistance: The alloy exhibits excellent creep resistance and fatigue resistance, ensuring reliable long-term performance under cyclic thermal and mechanical loading.
(3)Oxidation resistance: With its stable Fe-Ni-Cr matrix and titanium-aluminum strengthening, it offers good oxidation resistance at elevated temperatures, protecting components from surface degradation.
(4)Good processability: It can be hot worked and cold formed with relative ease, and is available in wire, bar, rod, and custom forgings to meet diverse component requirements.
(5)Thermal stability: Designed for prolonged service at high temperatures, the material retains its mechanical properties and structural integrity under demanding operating conditions.
Applications
(1)Aviation sector – Widely used in aero engine bolts and high-temperature fasteners, as well as turbine components requiring reliable strength and oxidation resistance.
(2)Aerospace field – Applied in high-strength structural components for rockets and spacecraft, where precipitation hardening ensures consistent performance under extreme conditions.
(3)Gas turbine industry – Suitable for gas turbine parts such as discs, rings, and other components that demand high creep resistance and thermal stability.
(4)High-temperature fasteners – Ideal for manufacturing bolts, nuts, and other fastening elements used in environments up to 700°C, benefiting from its high yield strength and fatigue resistance.

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