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 alloy plates are 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 plate and the quality is good in China.
Overview of Hastelloy Plate Alloy
Hastelloy alloy plates are flat-rolled products made from nickel-based superalloys. These plates are designed to withstand extreme conditions, including high temperatures, corrosive chemicals, and oxidizing environments. Common grades of Hastelloy plates include Hastelloy C276, Hastelloy C22, Hastelloy B2, and Hastelloy X, each tailored for specific applications.
Hastelloy Plate Alloy Specification
Hastelloy plates are available in various sizes, thicknesses, and finishes to meet diverse industrial requirements. Below is a general specification table:
| Parameter | Details |
|---|---|
| Thickness | 0.5 mm to 150 mm |
| Width | Up to 2000 mm |
| Length | Up to 6000 mm |
| Surface Finish | Hot-rolled, cold-rolled, polished |
| Standards | ASTM B575, ASME SB575, EN 2.4617 |
Chemical Composition of Hastelloy Plate
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The chemical composition of Hastelloy plates varies depending on the grade. Below is a comparison of key elements in popular grades:
| Element (%) | Hastelloy C276 | Hastelloy C22 | Hastelloy B2 | Hastelloy X |
|---|---|---|---|---|
| Nickel (Ni) | 57.0 (min) | 56.0 (min) | 65.0 (min) | 47.0 (min) |
| Chromium (Cr) | 15.5 – 16.5 | 20.0 – 22.5 | 1.0 (max) | 20.5 – 23.0 |
| Molybdenum (Mo) | 15.0 – 17.0 | 12.5 – 14.5 | 26.0 – 30.0 | 8.0 – 10.0 |
| Iron (Fe) | 4.0 – 7.0 | 2.0 – 6.0 | 2.0 (max) | 17.0 – 20.0 |
| Tungsten (W) | 3.0 – 4.5 | 2.5 – 3.5 | – | 0.2 – 1.0 |
| Cobalt (Co) | 2.5 (max) | 2.5 (max) | 1.0 (max) | 0.5 – 2.5 |
Physical Properties of Hastelloy Plate
Hastelloy plates exhibit excellent physical properties, making them suitable for extreme environments.
| Property | Hastelloy C276 | Hastelloy C22 | Hastelloy B2 | Hastelloy X |
|---|---|---|---|---|
| Density (g/cm³) | 8.89 | 8.69 | 9.22 | 8.22 |
| Melting Point (°C) | 1325 – 1370 | 1350 – 1390 | 1330 – 1380 | 1260 – 1355 |
| Thermal Conductivity (W/m·K) | 10.2 (at 100 °C) | 10.8 (at 100 °C) | 9.8 (at 100 °C) | 11.7 (at 100 °C) |
| Electrical Resistivity (µΩ·m) | 1.30 | 1.25 | 1.37 | 1.18 |
Hastelloy alloy plates exhibit high density, typically around 9.2g/cm³, and a melting point ranging from 1330-1380°C. They also have a low magnetic permeability. The density of specific grades like Hastelloy C-22 can vary slightly, with some sources reporting it as 8.61g/cm³.
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Mechanical Properties of Hastelloy Plate
Hastelloy plates offer superior mechanical strength and durability.
| Property | Hastelloy C276 | Hastelloy C22 | Hastelloy B2 | Hastelloy X |
|---|---|---|---|---|
| Tensile Strength (MPa) | 790 | 690 | 760 | 655 |
| Yield Strength (MPa) | 415 | 310 | 350 | 240 |
| Elongation (%) | 40 | 45 | 40 | 35 |
| Hardness (Rockwell B) | 90 | 85 | 95 | 80 |
These alloy plates offer excellent mechanical properties, including high tensile strength, yield strength, and elongation. They also demonstrate good creep resistance and fatigue strength at elevated temperatures. The mechanical properties of Hastelloy alloy plates make them suitable for applications requiring high structural integrity and durability.
Benefits of Using Hastelloy Plate
- Exceptional Corrosion Resistance: Hastelloy alloy plates can withstand corrosion from a wide range of chemicals, including strong acids, bases, and chloride-containing environments.
- High-Temperature Stability: They maintain their mechanical properties and corrosion resistance at high temperatures.
- Good Weldability: Hastelloy alloy plates can be welded using various methods without significant loss of corrosion resistance or mechanical properties.
- Versatility: They can be processed into various shapes and sizes, making them suitable for a wide range of applications.
Corrosion Resistance: Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking.
High-Temperature Stability: Maintains mechanical properties at elevated temperatures.
Versatility: Suitable for a wide range of chemical and industrial environments.
Longevity: Reduces maintenance costs and downtime due to its durability.
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Hastelloy Plate Tips for Procurement and Cost-Effectiveness
When procuring Hastelloy alloy plates, consider the following tips for cost-effectiveness:
- Identify Specific Requirements: Determine the exact alloy grade, specifications, and quantity needed for your application to avoid over-purchasing or under-performing materials.
- Compare Suppliers: Evaluate multiple suppliers based on their pricing, quality, delivery times, and customer service.
- Consider Long-term Benefits: Although Hastelloy alloy plates may have a higher initial cost, their extended lifespan and reduced maintenance requirements can lead to overall cost savings.
Hastelloy Plate Procurement
Procurement of Hastelloy alloy plates involves working with reputable suppliers who can provide certified material with the required specifications. Ensure that the supplier has a good track record, adheres to industry standards, and offers competitive pricing.
Grade Selection: Choose the appropriate grade based on the application (e.g., C276 for chemical processing, X for aerospace).
Supplier Reputation: Source from reputable manufacturers with certifications like ISO 9001.
Testing and Certification: Ensure plates come with mill test reports (MTRs) and comply with ASTM/ASME standards.
Hastelloy Plate Cost-Effectiveness
To maximize cost-effectiveness, consider bulk purchasing, negotiating with suppliers for better prices, and utilizing waste reduction techniques during processing. Additionally, the long-term durability of Hastelloy alloy plates can offset their higher initial cost.
Bulk Purchasing: Negotiate discounts for large orders.
Alternative Grades: Consider lower-cost grades if they meet performance requirements.
Lifecycle Cost Analysis: Evaluate long-term savings from reduced maintenance and downtime.
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Hastelloy Plate Manufacturing and Cost
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Melting and Casting: Raw materials are melted and cast into slabs.
Hot Rolling: Slabs are heated and rolled into plates.
Cold Rolling: For thinner plates with precise dimensions.
Heat Treatment: Solution annealing to optimize properties.
Finishing: Cutting, polishing, and testing.
Cost Factors:
Raw material prices (nickel, molybdenum, etc.).
Manufacturing complexity.
Market demand and supply.
Hastelloy Plate Pricing Insights
Pricing varies based on grade, thickness, and market conditions. Below is an approximate price range:
| Grade | Price Range (USD/kg) |
|---|---|
| Hastelloy C276 | 50−70 |
| Hastelloy C22 | 55−75 |
| Hastelloy B2 | 60−80 |
| Hastelloy X | 45−65 |
Applications of Hastelloy Plate in Various Industries
Hastelloy alloy plates are widely used in industries such as:
- Chemical Processing: For reactors, heat exchangers, and piping systems handling corrosive chemicals.
- Petrochemical: In equipment exposed to sour gas and chloride-containing environments.
- Marine Engineering: For components resistant to seawater corrosion, such as subsea pipelines and ship structures.
- Aerospace: In high-temperature engine components and corrosion-resistant parts.
- Pharmaceutical: For equipment in processes involving strong corrosive media or cleaning agents.
Hastelloy plates are used in industries requiring high performance in extreme conditions:
| Industry | Applications |
|---|---|
| Chemical Processing | Reactors, heat exchangers, piping systems |
| Oil and Gas | Downhole equipment, flue gas desulfurization |
| Aerospace | Combustion chambers, turbine components |
| Power Generation | Gas turbines, nuclear reactors |
| Pharmaceuticals | Equipment for corrosive chemical handling |
In Conclusion
Hastelloy alloy plates are a versatile and high-performance material suitable for numerous industrial applications. Their exceptional corrosion resistance, high-temperature stability, and good mechanical properties make them an invaluable asset in demanding environments. By understanding their specifications, chemical and physical properties, and procurement tips, industries can leverage the benefits of Hastelloy alloy plates while ensuring cost-effectiveness. The wide range of applications demonstrates the versatility and importance of this material in modern industry. 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 alloy plates are a cornerstone of modern industrial applications, offering unmatched corrosion resistance, high-temperature stability, and mechanical strength. By understanding their specifications, properties, and procurement strategies, industries can optimize their use of Hastelloy plates for cost-effective and reliable performance. Whether in chemical processing, aerospace, or power generation, Hastelloy plates continue to set the standard for durability and efficiency in demanding 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.