Inconel 230 – High-Performance Nickel-Based Superalloy for Extreme Environments
Supplied by Huaxiao-Alloy – Your Trusted Global Alloy Partner
Introduction: The Role of Inconel 230 in Modern Industry
In demanding industries such as aerospace, power generation, chemical processing, and furnace engineering, components must survive under oxidizing, carburizing, and high-temperature environments. Conventional stainless steels and lower-grade alloys lose their integrity under these conditions.
This is why Inconel 230 (UNS N06230, W. Nr. 2.4733) is widely recognized as one of the most versatile nickel-chromium-tungsten-molybdenum alloys available today. It combines outstanding oxidation resistance, superior long-term thermal stability, and excellent creep strength.
At Huaxiao-Alloy, we supply Inconel 230 sheets, plates, bars, wires, and custom components, fully certified to AMS, ASTM, and ASME standards. With years of expertise in high-temperature alloys, we provide reliable solutions for clients across aerospace, petrochemical, and metallurgical markets.
1. What is Inconel 230?
Inconel 230 is a solid-solution strengthened nickel-based superalloy. It was engineered to withstand oxidation and thermal degradation at temperatures exceeding 2100 °F (1150 °C) while offering excellent fabricability, weldability, and microstructural stability.
UNS Number: N06230
W. Nr.: 2.4733
Trade Names: Alloy 230, Haynes 230® (registered trademark)
Specifications: ASTM B435, B564, B572, B619, B622, B626; ASME SB-435, SB-564
Key Characteristics
Outstanding oxidation resistance up to 2100 °F (1150 °C).
Excellent carburization resistance in furnace environments.
Superior creep-rupture strength at elevated temperatures.
Exceptional weldability and fabricability compared with other Ni-Cr-Mo-W alloys.
Resistance to grain growth during long-term high-temperature exposure.
2. Chemical Composition of Inconel 230
| Element | Content (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20–24 |
| Tungsten (W) | 13–15 |
| Molybdenum (Mo) | 1–3 |
| Iron (Fe) | ≤ 3 |
| Manganese (Mn) | ≤ 0.5 |
| Silicon (Si) | ≤ 0.4 |
| Carbon (C) | 0.05–0.15 |
| Lanthanum (La) | 0.02–0.05 |
The addition of tungsten and molybdenum boosts creep resistance, while lanthanum improves oxide scale adherence, providing long-term oxidation stability.
3. Mechanical Properties of Inconel 230
Typical Room-Temperature Properties
| Property | Value |
|---|---|
| Density | 8.95 g/cm³ (0.323 lb/in³) |
| Melting Range | 1320–1360 °C (2410–2480 °F) |
| Tensile Strength | ~ 760 MPa (110 ksi) |
| Yield Strength (0.2% offset) | ~ 365 MPa (53 ksi) |
| Elongation | 50% |
| Hardness | ~ 85 HRB |
Elevated Temperature Performance
At 1000 °C (1832 °F): Maintains excellent tensile strength and resists creep.
At 1150 °C (2100 °F): Retains superior oxidation resistance compared with Inconel 625 and 601.
4. Oxidation & Heat Resistance
Inconel 230 is specifically designed for continuous use at high service temperatures:
Oxidation resistance up to 1150 °C (2100 °F).
Superior performance in thermal cycling compared to stainless steels.
Excellent resistance to carburizing and nitriding atmospheres.
Maintains microstructural stability even during prolonged exposure.
5. Corrosion Resistance
Strong resistance to oxidizing and reducing environments.
Excellent in furnace and metallurgical process atmospheres.
Performs reliably in wet chlorine, nitric acid, and oxidizing salts.
Superior to Inconel 625 in high-temperature carburizing environments.
6. Forms of Supply from Huaxiao-Alloy
Huaxiao-Alloy provides Inconel 230 in a complete range of forms:
Plates, Sheets & Strips (ASTM B435) – for furnace parts, ducting, and heat shields.
Bars & Rods (ASTM B572) – for structural and load-bearing components.
Pipes & Tubes (ASTM B619, B622, B626) – for chemical processing and heat exchangers.
Forgings & Fittings (ASTM B564) – for custom-engineered components.
Wire & Welding Products – for high-temperature joining applications.
7. Applications of Inconel 230
Aerospace
Combustion cans, liners, and transition ducts.
Turbine seals and casings.
High-temperature brackets and fasteners.
Power Generation
Gas turbine hot-section components.
Burner hardware, flame holders, transition ducts.
Recuperators and combustors.
Furnace & Metallurgy
Heat-treat fixtures and baskets.
Furnace muffles and retorts.
Rollers, trays, and supports.
Chemical & Petrochemical
Reforming furnace tubing.
Catalyst support grids.
High-temperature reactors and piping.
8. Comparison with Other Inconel Alloys
| Alloy | Max Temp. | Oxidation Resistance | Carburization Resistance | Weldability | Inconel 230 Advantage |
|---|---|---|---|---|---|
| Inconel 600 | ~2000 °F | Good | Moderate | Good | 230 has higher creep strength |
| Inconel 625 | ~1800 °F | Good | Limited | Excellent | 230 better for carburizing |
| Inconel 601 | ~2100 °F | Excellent | Moderate | Good | 230 superior in creep resistance |
| Inconel 617 | ~2100 °F | Excellent | Good | Moderate | 230 better weldability |
| Inconel 230 | ~2100 °F | Outstanding | Excellent | Excellent | Best all-around alloy |
Inconel 230 is widely used in aerospace engines, industrial gas turbines, heat-treatment equipment, and chemical processing plants. Its excellent oxidation resistance and long-term structural stability make it ideal for high-temperature components like combustors, burner cans, and furnace hardware.
Outstanding oxidation resistance up to 1149 °C (2100 °F)
Excellent creep and fatigue resistance
Good resistance to carburization and nitridation
Stable microstructure under prolonged high-temperature service
Good fabricability and weldability
Inconel 617: Higher strength but lower long-term oxidation resistance.
Inconel 625: Excellent corrosion resistance but less optimized for extreme heat.
Inconel 230: Specifically designed for superior oxidation and structural stability in long-term high-temperature environments.
Typical composition includes:
Nickel (balance)
Chromium (~22%)
Tungsten (~14%)
Molybdenum (~2%)
Small additions of Carbon, Silicon, and Iron
This unique mix provides exceptional heat and oxidation resistance.
Yes. Inconel 230 is readily weldable using standard techniques such as GTAW (TIG), GMAW (MIG), and SMAW. Post-weld heat treatment is not usually required, but may be applied depending on the final application.
At Huaxiao-Alloy, we supply:
Plates, sheets, and strips
Pipes and tubes (seamless & welded)
Bars, rods, and billets
Fittings, flanges, and rings
Welding wires and custom-machined parts
Aerospace: Jet engines, exhaust systems
Power Generation: Gas turbines, combustors
Chemical Processing: Heat exchangers, reformer tubes
Metallurgical Industry: Furnace components, radiant tubes
Industrial Heating: Kiln liners, thermal oxidizers
Inconel 230 is capable of withstanding continuous service up to 1149 °C (2100 °F) without significant degradation in mechanical strength or oxidation resistance.
9. Fabrication & Processing
Formability: Easily fabricated by hot- and cold-working techniques.
Weldability: Excellent weldability using GTAW (TIG), GMAW (MIG), and SMAW methods.
Machinability: Comparable to other Ni-Cr-W alloys; use carbide tooling.
Heat Treatment: Supplied in the solution-annealed condition (2250 °F, rapid cool).
10. Why Choose Huaxiao-Alloy for Inconel 230?
As a leading supplier of nickel-based superalloys, Huaxiao-Alloy ensures:
✅ Certified Quality – Materials meet ASTM, AMS, and ASME standards.
✅ Global Inventory – Sheets, plates, bars, tubes always in stock.
✅ Engineering Support – Expert guidance on alloy selection and fabrication.
✅ Custom Processing – Cut-to-size, machining, forging, and finishing.
✅ Competitive Pricing – Cost-effective solutions without compromising quality.
✅ Worldwide Supply Chain – On-time delivery across Europe, USA, and Asia.
📩 Request a Quote: [email protected]
📱 WhatsApp: +1 (579) 300-2733
11. Conclusion
Inconel 230 is a premium nickel-chromium-tungsten alloy designed to perform in the harshest high-temperature environments. With its oxidation resistance up to 2100 °F, carburization resistance, and excellent long-term stability, it is the alloy of choice for aerospace, furnace, power, and petrochemical applications.
At Huaxiao-Alloy, we deliver quality-certified Inconel 230 materials and components, ensuring you get the right alloy, at the right time, at the right cost.
Inconel 230 – High-Performance Nickel-Based Superalloy for Extreme Environments
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