Welcome to Jiangsu DLX alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of high temperature alloys, precision alloys and Incoloy,over 20 years.
Whatsapp:+86 199 0611 9641
Email:sales8@dlx-alloy.com
Add:NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
Incoloy Alloy Rod
Product Details

Incoloy 800H is a high-performance nickel-iron-chromium superalloy known for its outstanding strength, corrosion resistance, and thermal stability in extreme environments. This ultra-high-purity alloy is specially designed for applications in nuclear, aerospace, semiconductor, and cryogenic industries, where reliability under extreme conditions is essential. The Incoloy 800H bar offers excellent performance in high-temperature and corrosive environments, making it the material of choice for a variety of critical applications.
Key Features of Incoloy 800H Alloy Bar
Neutron Irradiation Stability: The low cobalt content of Incoloy 800H ensures minimal activation products, with Co-60 activity less than 1 μCi/g after a neutron flux of 10⁹ n/cm², making it ideal for nuclear applications.
Creep-Fatigue Resistance: Incoloy 800H withstands extensive thermal and mechanical stress. It can endure up to 2×10⁴ cycles at 700°C (1292°F) with a 100 MPa stress amplitude, meeting the RCC-MRx compliance standards.
Ultra-High Vacuum Compatibility: After electropolishing, Incoloy 800H exhibits an outgassing rate lower than 5×10⁻¹⁰ Torr·L/s/cm², ensuring compatibility with ultra-high vacuum (UHV) environments commonly found in semiconductor and aerospace industries.
Cryogenic Ductility: This alloy retains excellent elongation of 30% at -196°C, crucial for liquid hydrogen storage systems and other cryogenic applications.
Phase Purity: Incoloy 800H does not form detrimental phases like sigma or Laves during prolonged exposure to high temperatures (up to 700°C for 10,000 hours), ensuring long-term structural integrity.


| Item | 800 | 800H | 800HT | 825 | 925 |
|---|---|---|---|---|---|
| C | ≤0.1 | 0.05-0.1 | 0.06-0.1 | ≤0.05 | ≤0.03 |
| Mn | ≤1.5 | ≤1.5 | ≤1.5 | ≤1 | ≤1 |
| Fe | rest | rest | rest | rest | rest |
| P | -- | -- | -- | ≤0.02 | ≤0.03 |
| S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.03 | ≤0.03 |
| Si | ≤1 | ≤1 | ≤1 | ≤0.5 | ≤0.5 |
| Cu | ≤0.75 | ≤0.75 | ≤0.75 | 1.5-3 | 1.5-3 |
| Ni | 30-35 | 30-35 | 30-35 | 38-46 | 42-46 |
| Al | 0.15-0.6 | 0.15-0.6 | 0.15-0.6 | 0.2-1 | 0.15-0.5 |
| Ti | 0.15-0.6 | 0.15-0.6 | 0.15-0.6 | 0.6-1.2 | 1.9-2.4 |
| Cr | 19-23 | 19-23 | 19-23 | 19.5-23.5 | 19.5-23.5 |
| Mo | -- | -- | -- | 2.5-3.5 | 2.5-3.5 |
| Shape | Size (mm) |
|---|---|
| Wire | 0.5-7.5 |
| Rod/Bar | 8.0-200 |
| Strip | (0.5-2.5)*(5-180) |
| Tube/Pipe | Custom made |
| Sheet/Plate | Custom made |
| Product Form | Standard |
|---|---|
| Rod, bar & Wire | ASTM B805 |
| Plate, sheet & strip | ASTM B872 |
| Seamless pipe and tube | ASTM B983 |
| Forging | ASTM B637 |
Incoloy 800H is highly valued across several industries due to its exceptional resistance to heat, corrosion, and radiation. Below are some key applications:
Nuclear Power: Incoloy 800H is essential in nuclear power plants for components such as control rod drive shafts, reactor vessel internals, steam generator divider plates, and fuel assembly grids for Generation IV molten salt reactors (MSRs). Its excellent neutron radiation resistance and high-temperature stability make it indispensable for nuclear energy applications.
Aerospace: The aerospace industry benefits from Incoloy 800H in critical components like rocket engine combustion liners, re-entry vehicle heat shields, and turbopump shafts, where high temperature and mechanical stress resistance are paramount.
Semiconductor: Incoloy 800H is utilized in semiconductor manufacturing for components such as wafer handling arms and chemical vapor deposition (CVD) reactor parts. Its ability to function in ultra-high vacuum (UHV) environments makes it perfect for these precision applications.
Cryogenics: Incoloy 800H’s ability to maintain ductility at cryogenic temperatures makes it a key material for support structures in liquid hydrogen storage systems and superconducting magnet systems.


Superior Thermal and Radiation Resistance: The alloy's design ensures exceptional thermal and radiation resistance, making it reliable in high-temperature and neutron flux environments.
High-Strength and Corrosion Resistance: Incoloy 800H is highly resistant to oxidation and carburization, even in extreme environments, which extends the lifespan of critical components in harsh applications.
Precision Manufacturing: Manufactured with advanced techniques like Double Vacuum Melt (VIM + VAR) and isothermal forging, Incoloy 800H bars are made with ultra-low impurity levels, ensuring superior performance in demanding applications.
Quality Assurance: Incoloy 800H undergoes rigorous quality control procedures, including neutron radiography, residual gas analysis, and positron annihilation spectroscopy, to ensure compliance with stringent standards.
Flexibility in Product Specifications: Available in a range of diameters and surface finishes, Incoloy 800H can be customized to meet the specific needs of each customer, ensuring versatility across industries.



CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, Precision Alloy , FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.



Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.
For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

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FAQ
1. What makes Incoloy 800H alloy suitable for nuclear applications?
Incoloy 800H is designed to perform excellently in nuclear environments, offering low activation and high resistance to radiation damage. Its ability to withstand high neutron flux without significant degradation makes it ideal for control rod drive shafts, reactor vessel internals, and other critical nuclear components.
2. How does Incoloy 800H perform in cryogenic environments?
Incoloy 800H retains 30% elongation at cryogenic temperatures as low as -196°C, making it an excellent material for cryogenic applications such as liquid hydrogen storage systems and superconducting magnets.
3. How can I place an order for Incoloy 800H bars?
To place an order, you can contact our professional sales team who will assist you in selecting the right specifications for your needs. We offer flexible product options, fast lead times, and customized solutions. Feel free to reach out to us via phone or email for a detailed quote.
4. What industries benefit from using Incoloy 800H?
Incoloy 800H is used extensively in nuclear power, aerospace, semiconductor, and cryogenic industries due to its high resistance to thermal and mechanical stress, corrosion, and radiation.
5. How can I contact you for further information or quotes?
For inquiries, quotes, or technical support, please contact our professional business team. We offer quick responses to all inquiries and are available online 24/7 for consultation. Our team can help you find the most suitable products based on your application needs.
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