Hastelloy is a family of nickel-based alloys known for their exceptional resistance to corrosion, high-temperature stability, and mechanical strength. Among the various forms of Hastelloy products, Hastelloy C276 alloy is widely used in industries that demand reliability in harsh environments. This blog provides a detailed overview of Hastelloy alloy plates, covering their specifications, chemical composition, physical and mechanical properties, benefits, procurement tips, cost-effectiveness, manufacturing, pricing insights, and applications.Huaxiao Metal Supplier has the various hastelloy alloy shapes and the quality is good in China.
Overview of Hastelloy C276 Alloy
Hastelloy C276 is a nickel-molybdenum-chromium superalloy renowned for its exceptional resistance to corrosion in harsh environments. It is widely used in industries where exposure to aggressive chemicals, high temperatures, and oxidizing conditions is common. This blog provides a detailed analysis of Hastelloy C276 alloy, covering its overview, specifications, chemical composition, physical and mechanical properties, benefits, procurement tips, cost-effectiveness, manufacturing, pricing insights, and applications.
Hastelloy C276 is a versatile nickel-based alloy designed to withstand extreme corrosive environments, including those containing chlorides, sulfuric acid, hydrochloric acid, and other aggressive media. It is part of the Hastelloy C family and is known for its excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Its ability to perform in both oxidizing and reducing conditions makes it a preferred material in chemical processing, pollution control, and oil and gas industries. As a leading supplier & manufacturer in China, Huaxiao Metal supply cost-effective Hastelloy C276 Products.
Hastelloy C276 Alloy Specification
Hastelloy C276 is available in various forms, including plates, sheets, pipes, tubes, and fittings. Below are the general specifications:
| Parameter | Details |
|---|---|
| Standards | ASTM B575, ASME SB575, EN 2.4819 |
| Forms | Plates, sheets, pipes, tubes, fittings |
| Thickness (Plates) | 0.5 mm to 150 mm |
| Width (Plates) | Up to 2000 mm |
| Length (Plates) | Up to 6000 mm |
| Surface Finish | Hot-rolled, cold-rolled, polished |
Chemical Composition of Hastelloy C276 Alloy
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The chemical composition of Hastelloy C276 is optimized for corrosion resistance and thermal stability. Below is the detailed composition:
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 57.0 (min) |
| Chromium (Cr) | 15.5 – 16.5 |
| Molybdenum (Mo) | 15.0 – 17.0 |
| Iron (Fe) | 4.0 – 7.0 |
| Tungsten (W) | 3.0 – 4.5 |
| Cobalt (Co) | 2.5 (max) |
| Manganese (Mn) | 1.0 (max) |
| Silicon (Si) | 0.08 (max) |
| Carbon (C) | 0.01 (max) |
Physical Properties of Hastelloy C276 Alloy
Hastelloy C276 exhibits excellent physical properties, making it suitable for harsh environments.
| Property | Value |
|---|---|
| Density (g/cm³) | 8.89 |
| Melting Point (°C) | 1325 – 1370 |
| Thermal Conductivity (W/m·K) | 10.2 (at 100 °C) |
| Electrical Resistivity (µΩ·m) | 1.30 |
| Coefficient of Thermal Expansion (µm/m·K) | 11.2 (20 – 100 °C) |
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Mechanical Properties of Hastelloy C276 Alloy
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Hastelloy C276 offers superior mechanical strength and ductility.
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 790 |
| Yield Strength (MPa) | 415 |
| Elongation (%) | 40 |
| Hardness (Rockwell B) | 90 |
Hastelloy C276 alloy is known for its excellent mechanical properties, including high strength, ductility, and toughness. Its tensile strength is typically around 780 MPa, and its yield strength is approximately 355 MPa. The hardness of this alloy is about 220 Brinell. Additionally, it can withstand high temperatures and pressures, making it suitable for challenging environments in the oil and gas, chemical, and petrochemical industries.
Benefits of Using Hastelloy C276 Alloy
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Exceptional Corrosion Resistance: Resists pitting, crevice corrosion, and stress corrosion cracking in aggressive environments.
Versatility: Performs well in both oxidizing and reducing conditions.
High-Temperature Stability: Maintains mechanical properties at elevated temperatures.
Weldability: Can be welded using standard techniques without post-weld heat treatment.
Longevity: Reduces maintenance costs and extends equipment life.
Hastelloy C276 Alloy Tips for Procurement and Cost-Effectiveness
When procuring Hastelloy C276 alloy, it is important to consider the following tips for cost-effectiveness:
- Source from Reliable Suppliers: Ensure that the supplier has a good reputation and can provide high-quality alloy materials.
- Compare Prices and Specifications: Obtain quotes from multiple suppliers and compare prices and specifications to find the best deal.
- Consider Long-Term Costs: While the initial cost may be higher, the long-term durability and corrosion resistance of Hastelloy C276 alloy can reduce maintenance and replacement costs.
Hastelloy C276 Alloy Procurement
Procurement of Hastelloy C276 alloy involves sourcing the material from suppliers who specialize in high-performance alloy materials. It is important to specify the required alloy composition, form, and size to ensure that the material meets the application requirements.
Grade Selection: Ensure Hastelloy C276 is the right choice for your application (e.g., chemical processing, pollution control).
Supplier Reputation: Source from certified manufacturers with ISO 9001 or ASME certifications.
Testing and Certification: Request mill test reports (MTRs) to verify compliance with ASTM/ASME standards.
Hastelloy C276 Alloy Cost-Effectiveness
The cost-effectiveness of Hastelloy C276 alloy is primarily driven by its long-term durability and corrosion resistance. While the initial investment may be higher compared to other materials, the reduced maintenance and replacement costs over the lifetime of the equipment can result in overall cost savings.
Bulk Purchasing: Negotiate discounts for large orders.
Lifecycle Cost Analysis: Evaluate long-term savings from reduced maintenance and downtime.
Alternative Grades: Consider lower-cost alternatives if they meet performance requirements.
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Hastelloy C276 Alloy Manufacturing and Cost
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The manufacturing process for Hastelloy C276 involves:
Melting and Casting: Raw materials are melted in an electric arc furnace (EAF) or vacuum induction melting (VIM) furnace.
Hot Working: The alloy is hot-rolled into plates, sheets, or billets.
Cold Working: Cold rolling or drawing is used for precise dimensions.
Heat Treatment: Solution annealing is performed to optimize mechanical properties.
Finishing: Cutting, polishing, and non-destructive testing (NDT) are carried out.
Cost Factors:
Raw material prices (nickel, molybdenum, chromium, etc.).
Manufacturing complexity.
Market demand and supply.
Hastelloy C276 Alloy Pricing Insights
The manufacturing process of Hastelloy C276 alloy involves several steps, including melting, casting, rolling, and heat treatment. The cost of manufacturing this alloy is influenced by factors such as raw material costs, production efficiency, and energy consumption.
Pricing for Hastelloy C276 varies based on form, thickness, and market conditions. Below is an approximate price range:
| Form | Price Range (USD/kg) |
|---|---|
| Plates/Sheets | 50−70 |
| Pipes/Tubes | 60−80 |
| Fittings | 70−90 |
Applications of Hastelloy C276 Alloy in Various Industries
Hastelloy C276 alloy is widely used in various industries due to its excellent corrosion resistance and high-temperature strength:
- Chemical Industry: Used in reactors, heat exchangers, and other equipment exposed to corrosive chemicals.
- Petrochemical Industry: Utilized in pipelines, towers, and heat exchangers in refining processes.
- Metallurgical Industry: Applied in high-temperature furnaces, linings, and metal smelting equipment.
- Environmental Protection Industry: Used in flue gas desulfurization systems and waste gas treatment equipment.
- Power Industry: Found in gas turbines, boilers, and heat exchangers requiring high-temperature and pressure resistance.
- Marine Engineering: Employed in offshore oil drilling equipment and seawater desalination plants due to its excellent corrosion resistance in seawater.
- Nuclear Industry: Utilized in cooling systems and nuclear fuel cycles due to its good high-temperature strength and corrosion resistance.
Hastelloy C276 is widely used in industries requiring resistance to highly corrosive environments:
| Industry | Applications |
|---|---|
| Chemical Processing | Reactors, heat exchangers, piping systems |
| Pollution Control | Flue gas desulfurization, scrubbers |
| Oil and Gas | Downhole equipment, acidizing operations |
| Pharmaceuticals | Equipment for handling corrosive chemicals |
| Pulp and Paper | Digesters, bleaching equipment |
In Conclusion
Hastelloy C276 alloy is a versatile and high-performance material with excellent corrosion resistance, high-temperature strength, and durability. Its unique alloy composition and physical and mechanical properties make it suitable for a wide range of applications in various industries. While the initial cost may be higher, the long-term durability and reduced maintenance costs make it a cost-effective choice. When procuring Hastelloy C276 alloy, it is important to consider factors such as supplier reliability, price comparisons, and long-term costs to ensure the best value for money. 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.
Hastelloy C276 alloy is a versatile and reliable material for industries that require exceptional resistance to corrosive environments. Its unique combination of nickel, molybdenum, and chromium provides unmatched performance in both oxidizing and reducing conditions. By understanding its specifications, properties, and procurement strategies, industries can optimize their use of Hastelloy C276 for cost-effective and long-lasting performance. Whether in chemical processing, pollution control, or oil and gas, Hastelloy C276 continues to set the standard for corrosion resistance and durability in harsh environments. 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.