Inconel 713C Nickel-Based Alloy Round Bar

Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of inconel 713c nickel-based alloy round bar in China. If you're going to wholesale high quality inconel 713c nickel-based alloy round bar made in China, welcome to get free sample from our factory. Good service and reasonable price are available.

Inconel 713C (UNS N07713) is a precipitation-hardening nickel-based casting superalloy.

Renowned for its exceptional high-temperature strength, oxidation resistance, and superior thermal fatigue performance, it is widely utilized in extreme high-temperature and high-pressure applications ranging from 1000°F to 1700°F (approx. 538°C to 927°C).

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• Form / Condition: As-Cast Master Alloy Bars (Remelt Stock) / Investment Casting Raw Material / Machined Bars
• Process Method: VIM (Vacuum Induction Melting) / VIM+ESR
• Diameter Range: Φ4mm – Φ600mm / Custom Sizes
• Key Certification: ISO 9001, EN 10204 3.1 MTC, SGS/TÜV Third-Party Test Available

Inconel 713C is a precipitation-hardening nickel superalloy. Its standard heat treatment includes solution treatment followed by ageing precipitation to boost high-temperature rupture strength. Round bars are commonly supplied in hot-forged, rough-machined or solution-treated states. Ageing is usually performed by end users after component machining.

How Do Heat Treatment and Delivery Condition Affect Corrosion Resistance of Inconel 713C：

Inconel 713C's corrosion resistance is mainly governed by alloy composition, while heat treatment exerts secondary influence. Solution treatment produces a uniform matrix and stable passive film. Ageing forms γ′ precipitates; prolonged high-temperature ageing may create grain-boundary phases that slightly reduce local corrosion resistance. Hot-forged delivery without full solution treatment carries uneven microstructure and higher corrosion risk.

Inconel 713C is a precipitation-hardening nickel superalloy requiring vacuum melting to control gas content and impurity levels. The standard route uses VIM followed by VAR remelting to refine ingot microstructure. Subsequent homogenisation heating reduces segregation before hot working. Controlled forging or rolling shapes the ingot into round bar, with intermediate heat treatment to manage work hardening.

Inconel 713C exhibits high work-hardening tendency during machining, requiring rigid setups and sharp tooling. High-speed tungsten‑cobalt HSS or molybdenum‑tungsten‑vanadium cutting tools are recommended. Suitable cutting fluids include chlorinated/sulfurized fatty mineral oil, and soluble oil emulsion mixed at a 1:10 oil‑to‑water ratio.

For grinding, select medium‑soft vitrified‑bond alumina abrasives with an open structure. Clean grinding wheels using 1 lb sal soda diluted in 25 gal water, or chemically active grinding coolant. Maintain low cutting speeds and light depths of cut to avoid surface cold work.

Inconel 713C has limited weldability and is only suitable for low-restraint assemblies. Inco-Weld A electrode is the matching filler. Flash-butt welding is an acceptable joining method. It performs well in hydrogen-atmosphere brazing; electroplated contact surfaces paired with conventional high-temperature brazing alloys help produce sound joints. Avoid high-constraint welding to prevent cracking.

Inconel 713C for Automotive & Marine Turbochargers

Serves as premium remelt stock for precision casting of turbocharger turbine wheels and nozzle vanes. Delivers exceptional creep resistance and thermal fatigue strength under extreme high-temperature exhaust environments.

Inconel 713C for Aerospace & Defense Engines

Engineered for turbine blades, vanes, and integral wheels in small gas turbine engines and APUs. Provides superior oxidation and corrosion resistance under operating temperatures up to 927°C (1700°F).

Inconel 713C for Industrial Gas Turbines & Energy

Applied in gas path components, high-temperature nozzles, and structural liners for industrial gas turbines. Resists high-temperature gas erosion and stress relaxation, ensuring long-term operational stability for energy equipment.

Inconel 713C for Hot-Working Tools & Fixtures

Ideal for manufacturing high-temperature heat treating fixtures, die inserts, and specialized heat-resistant components. Retains superior hot hardness and spallation resistance, significantly extending tooling service life under harsh cycles.

Project Background

This batch of Inconel 713LC round bar order totals approximately 18 tons. The client required two custom sizes: Φ100 mm × 700 mm and Φ555 mm × 80 mm. The material was intended for high-temperature hot-section components of industrial gas turbines, with full material traceability and third-party test certificates.

Order Challenges

The large-diameter short billet (Φ555 mm) demanded strict microstructure uniformity. Inconel 713LC is sensitive to segregation during melting and forming. We adopted VIM+VAR double melting and controlled forging parameters to avoid internal defects, and conducted UT and PMI inspection on every piece.

Our Solutions

We arranged dedicated melting and forging schedules, implemented full NDT inspection. Each bar was marked with heat number and dimension data, and delivered with EN 10204 3.1 certification to satisfy the client's quality audit for turbine component machining.

✅ Since 2008, we have exported alloy materials to clients across Asia, Europe and other regions globally
✅ Qualified with ISO, SGS and BV third-party certifications
✅ Complete inspection services: PMI, UT, eddy current testing and other quality checks
✅ Global stock of Inconel, Hastelloy, Incoloy and Monel tubes, plates & bars
✅ Custom machining: cutting, polishing, CNC processing and tailored packaging
✅ Stock items ship in 7–15 working days; custom orders 15–25 working days, with priority MRO scheduling

Our nickel-based alloy products adopt industrial anti-corrosion packaging for overseas shipment:

• Heat-treated wooden pallets or solid export crates
• Multi-layer moisture-proof & rust-resistant wrapping
• Marked labels with heat number, material grade, standard and dimensions
• Global delivery options: sea freight, air freight and courier express

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Gnee Steel is a company specializing in the production of various nickel-based alloys, nickel 201, nickel202, hastelloy c-276, hastelloy c-22, hastelloy b, hastelloy c-4, Inconel alloy 600, Inconel 625, Inconel 718, Inconel x-750, incoloy alloy 800, incoloy 800H/HT, incoloy 825, monel alloy 400, monel k500 and high temperature alloy materials. It specializes in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, electric power, automobile, nuclear energy and other fields, and can provide customized alloy material solutions according to customer needs. If you need to know the alloy material price consultation or provide customized alloy material solutions, you are welcome to contact us at any time to get a quote at ss@gneesteel.com

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