Hastelloy C276 Bar, please note that the above table provides a range of standard diameters and lengths for Hastelloy.
- Dimensions:
- Diameter (D): 3mm ~ 60mm
- Length : 50mm~ 6000mm
- *Customized size needs to be confirmed with us
- Delivery State: Cold Drawn, Hot Rolled, Forged, Grinding, Centerless Grinding
- Finish: Bright, Polishing, Mirror, Hairline, Pickled, Peeled, Black
- Certification: ISO, SGS, BV and so on.
Composition of Hastelloy C276 Bar
| Element | Composition Range (%) | Typical Composition (%) |
|---|---|---|
| Nickel (Ni) | 52.0 – 59.0 | ~57 |
| Chromium (Cr) | 14.5 – 16.5 | ~16 |
| Molybdenum (Mo) | 15.0 – 17.0 | ~16 |
| Tungsten (W) | Max 3.0 | 3-4 (in some versions) |
| Iron (Fe) | Max 5.0 | ~5 |
| Carbon (C) | Max 0.010 | – |
| Manganese (Mn) | Max 1.0 | – |
| Silicon (Si) | Max 0.08 | – |
| Cobalt (Co) | Max 1.0 | – |
| Vanadium (V) | Max 0.35 | (may not be present in some versions) |
| Titanium (Ti) | 0.2 – 0.4 (trace amounts) | – |
| Aluminum (Al) | 0.5 – 1.0 (trace amounts) | – |
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Physical Property of Hastelloy C276 Bar
| Physical Property | Value | Unit |
|---|---|---|
| Density | 8.89 – 8.90 | g/cm³ |
| Melting Point | 1325 – 1370 | °C |
| Thermal Expansion Coefficient | 12.2 – 12.4 | µm/m-°C (20 – 100°C) |
| Thermal Conductivity | 9.4 – 10.8 | W/m-°C (100°C) or 68.0 |
| Electrical Resistivity | 1.24 | µΩ·m (20°C) or ~51 |
| Elastic Modulus (E) | 205 | GPa or 29.7×10³ ksi (70°F/20°C) |
| Shear Modulus (G) | 79.0 | GPa or 11.5×10³ ksi (70°F/20°C) |
| Yield Strength (RP0.2) | 283 – 690 | MPa (or N/mm²) |
| Tensile Strength (Rm) | 690 – 1170 | MPa (or N/mm²) |
| Hardness | HRC 22 – 35 | – |
The physical properties of Hastelloy C276 Bar make it an ideal material for applications in harsh environments, such as those in the chemical, petrochemical, marine, and nuclear industries. Its high melting point, corrosion resistance, and dimensional stability make it suitable for a wide range of applications where high performance and reliability are required. Huaxiao Metal Manufacturer provides the various the alloy products and the best solution for customers.
Mechanical Property of Hastelloy C276 Bar
| Mechanical Property | Value Range | Typical Value | Unit |
|---|---|---|---|
| Yield Strength (YS) | 283 – 480 | ~380 | MPa |
| Ultimate Tensile Strength (UTS) | 690 – 730 | ~710 | MPa |
| Elongation at Break | ~40 | – | % |
| Reduction of Area | ~50 | – | % |
| Hardness (Brinell) | ~200 | – | HB |
| Hardness (Rockwell B) | ≤100 | – | HRB |
| Modulus of Elasticity (E) | 205.5 | – | GPa |
| Shear Modulus (G) | ~79 | – | GPa |
| Poisson’s Ratio (ν) | ~0.3 | – | – |
| Fatigue Strength | High | – | – |
| Creep Resistance | Excellent | – | – |
| Toughness | High | – | – |
We have a large amount of high-quality alloy inventory ready for shipment, please request a quote immediately.
Advantages of Hastelloy C276 Bar
- Excellent Corrosion Resistance:
- Hastelloy C276 bar demonstrates outstanding corrosion resistance in a variety of harsh environments. Its high chromium (Cr) and molybdenum (Mo) content provide good oxidation resistance and corrosion resistance, especially in chloride-containing environments. The addition of tungsten (W) further enhances its corrosion resistance and high-temperature stability.
- This alloy is particularly resistant to chloride-induced pitting and crevice corrosion, making it ideal for use in seawater, chloride solutions, and other aggressive media.
- It also exhibits good corrosion resistance in multiple acidic media, including high-concentration sulfuric acid, chloric acid, and hydrofluoric acid.
- High Temperature Strength and Durability:
- Hastelloy C276 bar maintains its mechanical properties and chemical stability at elevated temperatures, up to 1040°C (1900°F).
- Its high-temperature strength and durability make it suitable for applications in high-temperature and high-pressure environments, such as in reactors, distillation columns, heat exchangers, and pipelines in the petrochemical industry.
- Good Mechanical Properties:
- The alloy has a tensile strength of 730 N/mm² and a yield strength of 283 N/mm², with an elongation of 40%, indicating good ductility and toughness.
- These mechanical properties ensure that Hastelloy C276 bar can withstand significant loads and deformations without failing, making it reliable in demanding applications.
- Versatility in Applications:
- Due to its combination of corrosion resistance, high-temperature strength, and good mechanical properties, Hastelloy C276 bar is versatile and widely used in various industries.
- In the chemical processing and manufacturing industry, it is used to make reactors, pipelines, pumps, and valves that handle highly corrosive media.
- In the environmental protection sector, it is applied in flue gas desulfurization systems and waste gas treatment equipment, resisting the corrosion of high-concentration acidic gases.
- It is also used in the pulp and paper industry for processing highly corrosive chemical liquids, particularly during bleaching and wastewater treatment processes.
- Good Weldability:
- Hastelloy C276 bar can be welded using conventional welding methods such as TIG (Tungsten Inert Gas Welding), MIG (Metal Inert Gas Welding), and laser welding.
- Due to its high nickel content, the alloy is less prone to thermal cracking after welding, ensuring that the strength and corrosion resistance of the welded joints are consistent with the base material.
Manufacturing Process of Hastelloy C276 Bar
Hastelloy C276 Bar is a type of nickel-based corrosion-resistant alloy plate specifically designed for applications requiring high resistance to corrosion, particularly in welding areas. It is an improved version of its predecessor, Hastelloy B, addressing issues such as knife-line corrosion and intergranular corrosion in the heat-affected zone during welding.Huaxiao Metal Supplier is professional and experienced in producing alloy products in China.
- Raw Material Preparation:
- Select high-quality Hastelloy C276 alloy materials.
- Conduct chemical and physical property tests to verify the composition and ensure it meets the standards.
- Melting and Casting:
- Utilize arc furnaces or induction furnaces to melt the raw materials.
- Maintain a melting temperature between 1300-1400°C to ensure uniformity and prevent segregation or precipitation of alloy components.
- Use high-purity raw materials and implement refined deoxidization and impurity removal processes to ensure alloy purity.
- Employ vacuum melting or protective atmosphere melting techniques to reduce gas solubility and improve alloy density.
- Cast the molten alloy into bars using suitable casting methods such as sand casting, precision casting, or die casting.
- Hot Working:
- Heat the cast bars to a temperature range of 1100-1175°C for hot working.
- Perform hot forging, rolling, or extrusion within this temperature range to shape the bars.
- Rapidly cool the bars after hot working to prevent grain growth and maintain mechanical properties.
- Heat Treatment:
- Apply heat treatments such as solution treatment and quenching to improve the alloy’s microstructure and mechanical properties.
- Solution treatment involves heating the alloy to a temperature range of 1080-1121°C, holding for 1-2 hours, and then rapidly cooling.
- Quenching is typically done using water or oil to lock the solution structure and prevent the formation of precipitates.
- Cold Working:
- Perform cold working operations such as cold rolling, cold drawing, or cold extrusion to achieve the desired dimensions and surface finish.
- Cold working may be challenging due to the alloy’s high strength and hardness, requiring appropriate tooling and force.
- Stress Relief Annealing:
- Conduct stress relief annealing at a temperature range of 760-870°C to eliminate internal stresses and reduce the risk of deformation.
- Hold the material at the annealing temperature for 1 hour, depending on material thickness and processing state, and then cool to room temperature.
- Final Inspection and Quality Control:
- Conduct various tests and inspections on the manufactured Hastelloy C276 bars, including chemical composition analysis, mechanical property testing, and corrosion resistance testing.
- Ensure that the bars meet the specified standards and requirements.
- Surface Treatment and Coating:
- Apply surface treatments or coatings as needed to improve corrosion resistance and aesthetics.
What is Hastelloy C276 Bar?
Hastelloy C276 bar is a nickel-based superalloy bar that is renowned for its exceptional corrosion resistance, high-temperature stability, and strength. It is primarily composed of nickel, chromium, molybdenum, and smaller amounts of tungsten, cobalt, and other elements. This alloy bar is widely used in various industries due to its unique properties. Its unique properties make it a valuable material for various industrial applications.Huaxiao Metal Supplier is professional and experienced in alloy producing factory, our company provides the personalized services and welcome to inquiry about the lastest price.
Applications of Hastelloy C276 Bar
Hastelloy C276 Bar offers a unique combination of properties that make it an excellent choice for numerous demanding applications. Its corrosion resistance, high strength, ductility, weldability, high-temperature stability, and resistance to stress corrosion cracking contribute to its versatility and reliability in various industries. Welcome to inquiry.
Nuclear Industry:
- Reactor Components: Hastelloy C276 bar is used in components that handle corrosive media in nuclear reactors, such as structural materials and fuel rod cladding.
- Nuclear Waste Storage and Transportation: It is also suitable for the storage and transportation of nuclear waste, ensuring the safe operation of the nuclear energy industry.
Marine Engineering:
- Offshore Oil Production and Natural Gas Transportation: Hastelloy C276 bar maintains stability in high-salinity marine environments and is therefore widely used in offshore oil production, natural gas transportation, and seawater desalination equipment.
Aerospace Industry:
- Aircraft and Rocket Engine Parts: Due to its outstanding high-temperature performance and oxidation resistance, Hastelloy C276 bar is ideal for manufacturing aircraft and rocket engine components as well as spacecraft structural parts.
In Conclusion
Hastelloy C276 Bar is also used in various other applications such as acetic acid/acetic anhydride production, acid leaching, cellophane manufacturing, chlorination systems, complex mixed acid processing, roller manufacturing for electroplating zinc tanks, expansion bellows manufacturing, flue gas scrubbers, hydrogen fluoride furnace cleaners, incinerator cleaners, nuclear fuel reprocessing, pesticide production, phosphoric acid production, pickling systems, plate heat exchangers, selective filtration systems, sulfur dioxide cooling towers, sulfonation systems, and more. Huaxiao Metal Manufacturer provides the hastelloy plate, and other shapes, such as tubes, wires, strip, coil, plate etc.
Our products are guaranteed in quality, and our professional team can provide technical support and consulting services. If you need more information or have any questions, please free to contact our customer service team.