Hastelloy C22 Alloy Plate & Sheet, please note that the above table provides a range of standard thicknesses, widths, and lengths for Hastelloy.
- Dimensions:
- Thickness :0.3mm-200mm
- Width : 500mm-1500mm
- Length : 500mm-3000mm
- *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 C22 Plate
| Element | Composition Range | Typical Composition |
|---|---|---|
| Nickel (Ni) | 56.0-61.0% | Approx. 56% (majority) |
| Chromium (Cr) | 20.0-22.5% | 22% (approximately) |
| Molybdenum (Mo) | 12.5-14.5% | 13% (approximately) |
| Iron (Fe) | 2.0-6.0% | Approx. 3% (some sources indicate 2.0%-6.0%) |
| Tungsten (W) | 2.5-3.5% | Approx. 3% (some sources indicate 2.5%-3.5%) |
| Cobalt (Co) | ≤2.5% | Less than 2.5% |
| Carbon (C) | ≤0.015% | ≤0.015% |
| Silicon (Si) | ≤0.08% | ≤0.08% |
| Manganese (Mn) | ≤0.5% | ≤0.5% |
| Vanadium (V) | Trace amounts possible | – |
| Phosphorus (P) | ≤0.02% | ≤0.02% |
| Sulfur (S) | ≤0.02% | ≤0.02% |
| Copper (Cu) | ≤0.50% (some sources mention) | ≤0.50% (if applicable) |
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Physical Property of Hastelloy C22 Plate
| Physical Property | Value | Analysis |
|---|---|---|
| Density | 8.69 g/cm³ (or 8.89 g/cm³ in some sources) | The density of Hastelloy C22 allows it to maintain a stable structure during high-temperature applications and provides high corrosion resistance in most chemical media. |
| Melting Point | 1325-1370°C | The high melting point of Hastelloy C22 enables it to operate stably in high-temperature environments for extended periods. |
| Specific Heat | 440 J/kg·K (or 0.43 J/g·K) | The specific heat capacity indicates that Hastelloy C22 responds slowly to temperature changes, contributing to its thermal stability at high temperatures. |
| Thermal Conductivity | 10.6 W/m·K (or around 10.0 W/m·K in some sources) | The relatively low thermal conductivity of Hastelloy C22 provides good thermal stability at high temperatures. |
| Electrical Resistivity | 1114.0 μΩ·cm | The electrical resistivity of Hastelloy C22 is relatively low due to the strong chemical bonding formed by elements such as chromium and molybdenum in the alloy, making it suitable for corrosive environments. |
| Coefficient of Thermal Expansion | 12.4 (20–100°C), 12.4 (20–200°C), 12.6 (20–300°C), 13.1 (20–400°C), 13.7 (20–500°C) | The coefficient of thermal expansion of Hastelloy C22 varies within a specific range at different temperatures, which is important for considering its dimensional stability in various applications. |
The physical properties of Hastelloy C22 plate 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 C22 Plate
| Mechanical Property | Typical Value | Analysis |
|---|---|---|
| Tensile Strength (Ultimate) | 795 MPa (115 ksi) | The high tensile strength of Hastelloy C22 ensures that it can withstand significant tensile forces without failing, making it suitable for applications where high strength is required. |
| Yield Strength (0.2% Offset) | 415 MPa (60 ksi) | The yield strength indicates the point at which Hastelloy C22 begins to plastically deform under load. This value ensures that the alloy can maintain its shape and structural integrity under moderate loads. |
| Elongation at Break | 40% | The high elongation at break of Hastelloy C22 means that it can undergo significant deformation before failing, which is beneficial for applications where ductility is important. |
| Reduction of Area | 50% | The reduction of area measures the material’s ability to undergo plastic deformation before fracturing. The high value for Hastelloy C22 indicates good ductility and energy absorption capacity. |
| Hardness (Rockwell B) | 88-95 | The hardness of Hastelloy C22 falls within a range that provides a balance between wear resistance and machinability. |
| Fatigue Strength | Varies with specific conditions | The fatigue strength of Hastelloy C22 depends on various factors such as stress levels, temperature, and environment. However, its corrosion resistance and high-temperature stability contribute to its fatigue resistance in harsh environments. |
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Advantages of Hastelloy C22 Plate
Excellent Corrosion Resistance:
- Hastelloy C22 Plate exhibits exceptional resistance to a wide range of corrosive environments, including oxidizing and non-oxidizing chemicals.
- It is particularly resistant to chloride-induced pitting, crevice corrosion, and stress corrosion cracking, which are common issues in stainless steels.
High Mechanical Strength:
- The alloy maintains high tensile and yield strengths even at elevated temperatures, making it suitable for high-pressure and high-temperature applications.
- Its ductility and toughness ensure that it can withstand extreme conditions without failing.
Good Weldability and Fabrication:
- Hastelloy C22 Plate is easily welded using traditional welding techniques, allowing for efficient manufacturing and repair processes.
- It can be readily formed into various shapes and sizes, making it versatile for a wide range of applications.
Wide Range of Applications:
- Due to its corrosion resistance and mechanical properties, Hastelloy C22 Plate is used in various industries such as chemical processing, petrochemical, paper manufacturing, and power generation.
- It is commonly found in equipment like reactors, heat exchangers, and piping systems where corrosion resistance and high strength are critical.
Long Service Life:
- The alloy’s corrosion resistance helps to extend the service life of equipment and reduce maintenance costs.
- This makes it a cost-effective solution in the long run, especially in harsh environments where frequent replacements or repairs are required.
High Temperature Stability:
- Hastelloy C22 Plate maintains its mechanical properties and corrosion resistance at elevated temperatures, making it suitable for high-temperature applications.
- This stability ensures that the alloy can perform reliably in demanding environments.
Manufacturing Process of Hastelloy C22 Plate
1.Material Selection
- Alloy Composition: Hastelloy C22 is a nickel-based alloy with a specific composition of elements such as nickel, chromium, molybdenum, tungsten, and others. The exact composition ensures its corrosion resistance and mechanical properties.
- Quality Assurance: Before starting the fabrication process, it is crucial to verify the chemical composition and mechanical properties of the Hastelloy C22 material to ensure it meets the standards specified for the application.
2. Forming and Shaping
- Hot Working: Hastelloy C22 can be hot worked, such as forging and hot rolling, within a temperature range of approximately 1150°C to 1230°C. This process helps to shape the material into the desired form while maintaining its mechanical properties.
- Cold Working: Cold working processes like cold rolling, cold drawing, and cold heading can also be used to shape Hastelloy C22. However, cold working may induce work hardening, necessitating subsequent annealing to restore ductility and reduce internal stresses.
3. Welding
- Weldability: Hastelloy C22 has good welding characteristics and can be welded using various methods, including TIG (Tungsten Inert Gas), MIG (Metal Inert Gas), and arc welding.
- Welding Parameters: Controlling welding parameters such as current, voltage, and welding speed is crucial to achieve optimal welding results. Post-weld treatments like grinding and polishing may be necessary to enhance the mechanical properties and corrosion resistance of the weld joint.
4. Heat Treatment
- Solution Annealing: This process involves heating the Hastelloy C22 material to a specific temperature range (typically 1150°C-1175°C) and holding it for a period before rapidly cooling it, usually by water quenching or air blasting. Solution annealing helps to eliminate lattice defects and carbide precipitates, enhancing corrosion resistance.
- Stress Relief Annealing: Stress relief annealing is performed to relieve stresses induced during fabrication processes. It involves heating the material to a lower temperature and holding it for a specified time to allow stresses to relax.
5. Surface Treatment
- Finishing: After fabrication, the surface of Hastelloy C22 Plate may require finishing treatments such as grinding, polishing, or pickling to achieve the desired aesthetic appearance and/or improve corrosion resistance.
- Protective Coatings: In some applications, additional protective coatings may be applied to further enhance the corrosion resistance of Hastelloy C22 Plate.
6. Quality Control and Testing
- Inspection: Throughout the fabrication process, regular inspections are conducted to ensure that the Hastelloy C22 Plate meets the specified requirements. This may include visual inspections, dimensional checks, and non-destructive testing (NDT) methods like ultrasonic testing (UT) or radiographic testing (RT).
- Mechanical Testing: Mechanical testing, such as tensile testing and impact testing, is performed to verify the mechanical properties of the Hastelloy C22 Plate.
- Corrosion Testing: Corrosion testing is conducted to assess the alloy’s resistance to specific corrosive environments relevant to the intended application.
What is Hastelloy C22 Plate?
Hastelloy C22 Plate is a type of high-performance nickel-based alloy plate. It is primarily composed of nickel (Ni), chromium (Cr), molybdenum (Mo), and tungsten (W), with specific percentages of these elements contributing to its exceptional properties. Hastelloy C22 Plate is a versatile and high-performance nickel-based alloy plate with excellent corrosion resistance, high mechanical strength, and good fabrication and welding properties. It is widely used in various industries due to its superior properties. 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 C22 Plate
- Chemical Industry: It is utilized in the fabrication of reactors, heat exchangers, pumps, valves, as well as components and catalytic systems that come into contact with chloride-containing organics. The alloy’s resistance to chloride-induced pitting and stress corrosion cracking makes it ideal for these harsh environments.
- Marine Industry: Components for ships and offshore platforms are often made from Hastelloy C22 plate, as it can withstand the corrosion from seawater and salt solutions.
- Paper Industry: It is used in the manufacture of bleaching equipment and chemical treatment equipment, where resistance to corrosive chemicals is crucial.
- Energy Industry: In the nuclear sector, Hastelloy C22 plate is employed in the construction of components for nuclear reactors and geothermal wells. Its ability to maintain strength and corrosion resistance at high temperatures makes it suitable for these applications.
- Aerospace Industry: Engine components and high-temperature parts are often fabricated from Hastelloy C22 due to its ability to withstand high temperatures and pressures.
In Conclusion
Hastelloy C22 plate 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, bar etc.
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