Bright and Black Surface Hastelloy X Round Bar / Nickel Alloy Bars Hastelloy X Rod In Custom Length
Product Overview
Hastelloy X is a nickel-chromium-iron-molybdenum alloy designed to exhibit exceptional oxidation resistance and high mechanical strength at elevated temperatures up to 1200°C -1. Our Bright and Black Surface Hastelloy X round bars are precision-engineered to meet the stringent demands of industries operating in extreme environments. These bars offer a unique combination of excellent fabricability, outstanding resistance to thermal fatigue, and good ductility for forming and welding operations.
We supply these high-performance nickel alloy bars in both Bright Polished and Black surfaces, with the capability to provide them in custom lengths tailored to your specific project requirements. Whether you are constructing industrial furnaces, aerospace engine components, or chemical processing equipment, our Hastelloy X round bars deliver unmatched performance and reliability.
Chemical Composition
The superior properties of Hastelloy X are derived from its carefully balanced chemical composition, which promotes exceptional oxidation resistance and high-temperature strength .
Table 1: Chemical Composition of Hastelloy X (Balance Ni)
| Element | Content (%) | Element | Content (%) |
| Cr | 20.5 - 23.5 | Co | 0.5 - 2.5 |
| Fe | 17.0 - 20.0 | W | 0.2 - 1.0 |
| Mo | 8.0 - 10.0 | Si | ≤ 1.0 |
| C | 0.05 - 0.15 | Mn | ≤ 1.0 |
Physical & Mechanical Properties
Hastelloy X maintains its structural integrity under high thermal stress, making it ideal for critical applications -1.
*Table 2: Key Physical and Mechanical Properties (Solution-Annealed)*
| Property | Value | Remarks |
| Density | 8.3 g/cm³ | |
| Melting Range | 1260°C - 1355°C | |
| Tensile Strength | ≥ 665 MPa | |
| Yield Strength (0.2% Offset) | ≥ 240 MPa | |
| Elongation | ≥ 35% | |
Product Specifications & Surface Finish
We offer Hastelloy X round bars in a wide range of diameters and lengths to suit various manufacturing needs.
Table 3: Product Specifications and Available Surfaces
| Specification | Range/Capability | Description |
| Diameter Range | 1mm ~ 800mm | Custom diameters available upon request |
| Standard Length | 1 - 12 meters | Can be custom-cut to your specified length |
| Surface Finish | Bright (Polished) or Black | Bright finish is pickled, cleaned, and polished; Black finish is hot-rolled, annealed, and descaled |
| Tolerance | ±1% | Standard tolerance; others available |
Key Features & Advantages
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Exceptional High-Temperature Performance: Demonstrates excellent oxidation resistance up to 1200°C and maintains moderate creep and stress-rupture strength above 790°C, making it suitable for the hottest sections of industrial equipment .
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Superior Corrosion Resistance: Offers excellent resistance to a variety of corrosive environments, including reducing atmospheres, and exhibits good resistance to stress corrosion cracking .
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Excellent Fabricability: Possesses good cold and hot workability and can be welded by conventional methods like argon arc welding, seam welding, and spot welding, allowing for great flexibility in manufacturing complex components .
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Versatile Material Supply: Our round bars are available in hot-rolled, cold-drawn, forged, and solution-annealed states, ensuring you get the right material condition for your application .
Typical Applications
Hastelloy X round bars are widely used in demanding sectors across multiple industries:
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Aerospace & Aviation: Ideal for jet engine combustion chambers, afterburners, flame holders, turbine casings, and other high-temperature structural components .
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Industrial Heating & Processing: Used for furnace components such as radiant tubes, rolls, muffles, burner nozzles, and heat treatment fixtures .
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Power Generation: Applied in gas turbine combustion liners, transition ducts, and components for high-temperature gas-cooled nuclear reactors .
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Chemical Processing: Suitable for parts exposed to high temperatures and corrosive atmospheres, such as reactor internals and heat exchanger tubing in petrochemical furnaces .
Quality Assurance & Packaging
Our production of Hastelloy X round bars complies with international standards such as ASTM B572 for bar and AMS 5754 for forging . We employ rigorous quality control procedures throughout the manufacturing process. Each batch is accompanied by a Mill Test Certificate (MTC) to guarantee compliance with chemical and mechanical property specifications.
The bars are securely packaged using waterproofed bags or standardized wooden cases to prevent damage during transit and storage .
Why Choose Our Hastelloy X Round Bars?
We are a specialist in high-performance alloys, offering not just a product, but a comprehensive solution. Our ability to supply in custom lengths and various surface finishes minimizes your waste and secondary processing time. With a large inventory and a flexible, customer-focused approach, we ensure quick lead times and competitive pricing, whether you are procuring for a prototype or full-scale production.
Contact us today to discuss your project requirements and request a quotation. Please provide the diameter, length, surface finish, and quantity you need for an accurate and prompt response.
