Hastelloy C22 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 C22 Bar
| Element | Composition Range (%) |
|---|---|
| Nickel | 56.0 – 65.0 |
| Chromium | 20.0 – 22.5 |
| Molybdenum | 12.5 – 14.5 |
| Tungsten | 2.5 – 4.0 (typically 2.5 – 3.5 or 2.50 – 3.00) |
| Iron | 2.0 – 6.0 |
| Cobalt | Max 2.5 |
| Carbon | Max 0.015 (or Max 0.10 in some sources) |
| Manganese | Max 0.5 |
| Silicon | Max 0.08 |
| Phosphorus | Max 0.02 (if mentioned) |
| Vanadium | Max 0.35 (if mentioned) |
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Physical Property of Hastelloy C22 Bar
| Physical Property | Value |
|---|---|
| Density | 8.69 g/cm³ (also reported as 8.89 g/cm³ in some sources) |
| Melting Point | 1325-1370°C |
| Specific Heat | 440 J/kg·K (alternatively reported as 0.43 J/g·K) |
| Electrical Resistivity | 1114.0 μΩ·cm |
| Thermal Conductivity | 10.6 W/m·K (alternatively reported as around 10.0 W/m·K) |
| Coefficient of Thermal Expansion | 20–100°C: 12.4 x 10^-6/°C, 20–200°C: 12.4 x 10^-6/°C, 20–300°C: 12.6 x 10^-6/°C, 20–400°C: 13.1 x 10^-6/°C, 20–500°C: 13.7 x 10^-6/°C |
The physical properties of Hastelloy C22 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 C22 Bar
| Mechanical Property | Value |
|---|---|
| Tensile Strength (Rm) | 690 N/mm² (alternatively reported as approximately 700 MPa or higher) |
| Yield Strength (Rp0.2 or YS) | ≥ 310 N/mm² (alternatively reported as approximately 300 MPa) |
| Elongation (A5) | ≥ 40% |
| Hardness (HRB) | ≤ 100 |
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Advantages of Hastelloy C22 Bar
- Excellent Corrosion Resistance:
- Hastelloy C22 Bar demonstrates outstanding resistance to a wide range of corrosive environments, including those containing chlorides, nitric acid, and oxidizing acids.
- Its resistance to pitting, crevice corrosion, and stress corrosion cracking is superior to many other nickel alloys.
- High Temperature Stability:
- Hastelloy C22 maintains excellent mechanical properties and corrosion resistance at elevated temperatures.
- It has a high melting point, making it suitable for applications involving high-temperature processes.
- Good Mechanical Properties:
- The alloy exhibits high tensile strength and yield strength, which ensures structural integrity and durability in demanding applications.
- It also has good ductility and elongation, allowing it to undergo significant deformation without fracturing.
- Ease of Fabrication and Welding:
- Hastelloy C22 Bar can be easily formed, machined, and welded, making it versatile for a wide range of manufacturing processes.
- The alloy’s welding characteristics are excellent, allowing for reliable and strong joints.
- Wide Range of Applications:
- Due to its corrosion resistance, high temperature stability, and good mechanical properties, Hastelloy C22 Bar is suitable for a wide range of applications, including chemical processing, petroleum refining, pollution control, pulp and paper production, and more.
- Longevity and Durability:
- The combination of corrosion resistance and high temperature stability contributes to the long-term durability of Hastelloy C22 Bar.
- This means reduced maintenance costs and longer equipment lifespan in harsh industrial environments.
Manufacturing Process of Hastelloy C22 Bar
Hastelloy C22 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:
- The initial step involves selecting high-quality raw materials, which typically consist of nickel (Ni), chromium (Cr), molybdenum (Mo), tungsten (W), and other alloying elements in precise proportions.
- These raw materials undergo rigorous testing to ensure they meet the specified chemical composition and purity requirements.
- Melting and Casting:
- The selected raw materials are melted in a vacuum induction melting (VIM) or electric arc furnace (EAF) to produce an ingot.
- The melting process is carefully controlled to avoid contamination and to ensure a homogeneous alloy composition.
- Once melted, the ingot is cast into a suitable shape for further processing.
- Hot Working:
- Hot working operations such as forging, hot rolling, or extrusion are performed to shape the ingot into the desired bar form.
- These operations are conducted at elevated temperatures (typically between 1150°C and 1230°C) to facilitate deformation and to reduce the risk of cracking.
- Proper temperature control and cooling rates are crucial to maintain the alloy’s mechanical properties and corrosion resistance.
- Cold Working:
- After hot working, the bar may undergo cold working operations such as cold rolling, cold drawing, or cold heading to achieve the final dimensions and surface finish.
- Cold working increases the material’s strength and hardness but may also result in work hardening, which may require subsequent annealing to restore ductility.
- Heat Treatment:
- Heat treatment is a critical step in the manufacturing process, as it improves the alloy’s microstructure and enhances its mechanical properties.
- Typical heat treatment processes include solution annealing, quenching, and tempering.
- The heat treatment temperature range is usually between 1040°C and 1120°C, followed by rapid cooling to avoid adverse microstructural changes.
- Machining and Finishing:
- The bar is then machined to the final dimensions, and any required surface treatments (such as polishing or coating) are applied.
- Machining operations must be carefully controlled to avoid introducing defects or compromising the alloy’s corrosion resistance.
- Inspection and Testing:
- Throughout the manufacturing process, rigorous inspection and testing are conducted to ensure the bar meets all specified requirements.
- This includes chemical composition analysis, mechanical property testing (e.g., tensile strength, yield strength, hardness), and corrosion resistance testing.
- Non-destructive testing methods (e.g., ultrasonic testing, radiographic testing) may also be employed to detect any internal defects.
What is Hastelloy C22 Bar?
Hastelloy C22 Bar is a type of high-performance nickel-based alloy bar that is renowned for its exceptional corrosion resistance and high mechanical strength. It is specifically designed for use in extreme corrosion environments and offers a combination of properties that make it ideal for a wide range of applications. Its unique combination of properties makes it an ideal material choice for demanding industrial 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, we will provide the complete solutions.
Applications of Hastelloy C22 Bar
Hastelloy C22 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.
1.Chemical Processing Industry
- Corrosive Environment Resistance: Hastelloy C22 bar is extensively utilized in the manufacturing of equipment such as reactors, heat exchangers, evaporators, and filters, particularly in processes involving chloride-containing organics and catalytic systems. Its robust corrosion resistance ensures prolonged equipment lifespan and reduced maintenance costs.
- Handling of Strong Corrosives: In the presence of highly corrosive media like sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, and mixed acids, Hastelloy C22 maintains stable operation of equipment, demonstrating its indispensable role in chemical production.
2. Petrochemical Industry
- Oil and Gas Exploration Equipment: In marine oil extraction, Hastelloy C22 bar is employed in equipment that can withstand the corrosive effects of seawater and acidic media, ensuring safe and reliable operation.
- Refinery Equipment: It is also used in refining equipment and processes where resistance to sulfur- and chloride-containing corrosive gases is crucial.
3. Marine Engineering
- Seawater Corrosion Resistance: Due to its salt spray corrosion resistance and mechanical strength, Hastelloy C22 bar is ideal for marine engineering facilities, such as offshore platforms and underwater pipelines, effectively preventing seawater corrosion and enhancing the safety and stability of marine structures.
4. Nuclear Industry
- Critical Components: In nuclear facilities, Hastelloy C22 bar is widely applied in the coolant delivery systems of nuclear reactors, providing material support for the safety and stability of nuclear energy.
5. Aerospace Industry
- High-Temperature and Corrosion-Resistant Components: In the aerospace sector, Hastelloy C22 bar is used to manufacture components like aviation launch devices and rocket engine parts, which often operate in extreme environments. Its high temperature and corrosion resistance ensure reliability under prolonged high loads.
6. Pharmaceutical and Food Processing Industries
- High-Standard Equipment: In the pharmaceutical industry, Hastelloy C22 bar is used to manufacture equipment and piping systems that meet high standards for corrosion and contamination resistance. Its non-toxic and corrosion-resistant characteristics make it suitable for pharmaceutical processes. Similarly, in food processing, it ensures the production of high-corrosive food additives and pharmaceuticals does not lead to contamination.
In Conclusion
Hastelloy C22 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.
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