Hastelloy C4 Alloy Coil, please note that the above table provides a range of standard thicknesses, widths, and lengths for Hastelloy.
- Dimensions:
- Thickness :0.15mm-50mm
- Width : <600mm
- Length :500mm-5000m
- *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 C4 Coil
| Element | Composition Range (Weight %) | Typical Composition (Weight %) |
|---|---|---|
| Nickel (Ni) | Balance | Approximately 65% |
| Chromium (Cr) | 14.5~17.5 | 16% |
| Molybdenum (Mo) | 14.00~17.00 | 16% |
| Iron (Fe) | ≤3.0 | 3% max |
| Cobalt (Co) | ≤2.0 | 2% max |
| Manganese (Mn) | ≤1.00 | 1% max |
| Silicon (Si) | ≤0.05/≤0.08* | 0.08% max* |
| Carbon (C) | ≤0.01/≤0.009* | 0.01% max/0.009% max* |
| Titanium (Ti) | ≤0.7 | 0.7% max |
| Phosphorus (P) | ≤0.02 | 0.02% max |
| Sulfur (S) | ≤0.013 | 0.013% max |
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Physical Property of Hastelloy C4 Coil
| Physical Property | Value |
|---|---|
| Density | Approximately 8.64 g/cm³ (may vary slightly depending on source) |
| Melting Point | 1330~1380°C (also reported as 1350°C in some sources) |
| Thermal Conductivity | 10.3 W/m·K at room temperature (may slightly decrease at higher temperatures) |
| Coefficient of Thermal Expansion | 13.5 µm/m·K (indicating lower thermal expansion compared to some other alloys) |
| Specific Heat Capacity | 0.42 J/g·K (also reported as 427 J/kg·K or 0.385×10³ J/kg·K in some sources) |
| Elastic Modulus | 220 GPa (also reported as 205000 MPa or 210×10³ MPa) |
| Magnetic Properties | Non-magnetic |
| Corrosion Resistance | Excellent resistance to most corrosive media, especially in reducing conditions; resistant to chlorides, acids (such as hydrochloric acid, sulfuric acid), nitric acid, nitrates, and other strongly corrosive media |
The physical properties of Hastelloy C4 Coil 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 C4 Coil
| Mechanical Property | Value | Condition/Test Method |
|---|---|---|
| Tensile Strength (Ultimate Tensile Strength, UTS) | ≥760 MPa | At room temperature, ASTM E8 or equivalent |
| Yield Strength (0.2% Offset Yield Strength) | ≥345 MPa | At room temperature, ASTM E8 or equivalent |
| Elongation | ≥40% | At room temperature, ASTM E8 or equivalent |
| Reduction of Area | N/A | At room temperature, ASTM E8 or equivalent (typically measured but not always reported) |
| Hardness (Brinell) | Approximately 343 HBW | At room temperature, ASTM E10 or equivalent |
| Impact Toughness | N/A | Charpy V-notch or Izod impact test (values depend on specimen size, temperature, and other factors) |
| Fatigue Strength | N/A | Determined by specific fatigue testing methods and conditions |
| Creep Strength | N/A | Determined by creep testing at elevated temperatures and under constant stress |
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Advantages of Hastelloy C4 Coil
Corrosion Resistance
- Excellent Corrosion Resistance in Various Media: Hastelloy C4 Coil exhibits outstanding corrosion resistance in a wide range of corrosive environments, including strong acids (such as sulfuric acid, hydrochloric acid), chloride-containing media, and other aggressive chemicals. This makes it suitable for applications in chemical processing, petrochemical, and other industries where corrosion resistance is crucial.
- Stress Corrosion Cracking Resistance: It demonstrates strong resistance to stress corrosion cracking, particularly in chloride environments. This is an important advantage in applications where the material is exposed to both corrosive media and mechanical stress.
High Temperature Stability
- Good High-Temperature Strength and Oxidation Resistance: Hastelloy C4 Coil maintains its mechanical properties and corrosion resistance at elevated temperatures, with a maximum service temperature of approximately 1040°C. Its high-temperature strength and oxidation resistance make it suitable for high-temperature applications.
Mechanical Properties
- High Tensile Strength and Ductility: The alloy possesses good tensile strength and ductility, allowing it to withstand significant loads and deformations without failing. This makes it suitable for applications requiring high mechanical strength.
- Good Fatigue Resistance: Hastelloy C4 Coil has high fatigue resistance, making it suitable for applications involving cyclic loading or alternating stresses.
Processability
- Excellent Weldability: It can be welded using common welding methods such as TIG, MIG, and shielded metal arc welding. This allows for easy fabrication and repair of components made from Hastelloy C4 Coil.
- Good Machinability: The alloy can be machined using conventional machining methods such as turning, milling, and drilling. This makes it suitable for creating complex shapes and features in components.
Versatility and Applications
- Versatile Material for Multiple Industries: Due to its combination of corrosion resistance, high-temperature stability, and good mechanical properties, Hastelloy C4 Coil is used in various industries such as chemical processing, petrochemical, aerospace, energy, and medical.
- Wide Range of Applications: It is used in equipment like reactors, heat exchangers, piping, and valves in environments with high corrosion potential.
Manufacturing Process of Hastelloy C4 Coil
Huaxiao Metal Supplier is professional and experienced in producing alloy products in China. The manufacturing process of Hastelloy C4 Coil involves several critical steps to ensure the final product meets the rigorous standards required for its intended applications. Below is an English introduction to the manufacturing process:
Raw Material Preparation
- Selection of High-Quality Raw Materials: The manufacturing process begins with the selection of high-quality nickel, chromium, molybdenum, and other alloying elements that meet strict specifications. These raw materials undergo rigorous inspection and testing to ensure their purity and composition.
Melting and Alloying
- Vacuum Induction Melting (VIM) or Electric Arc Melting (EAM): The selected raw materials are melted using VIM or EAM processes. These methods ensure a homogeneous alloy composition by providing a controlled melting environment that minimizes contamination.
- Control of Melting Parameters: During the melting process, parameters such as temperature, melting time, and atmosphere are carefully controlled to optimize the alloy’s properties.
Casting
- Pouring the Molten Alloy: The molten alloy is poured into molds designed for coil production. The casting process may involve sand-casting, centrifugal casting, or other techniques depending on the specific requirements of the coil.
- Cooling and Solidification: The cast alloy is allowed to cool and solidify in the mold, forming the initial shape of the coil.
Hot Working
- Hot Rolling, Forging, or Extrusion: After casting, the alloy undergoes hot working processes such as hot rolling, forging, or extrusion. These processes improve the alloy’s microstructure and mechanical properties by reducing internal defects and refining grain size.
- Control of Temperature and Deformation: The temperature and deformation rate during hot working are carefully controlled to avoid cracking and ensure uniform deformation.
Cold Working
- Cold Rolling, Drawing, or Stamping: Following hot working, the alloy is subjected to cold working processes such as cold rolling, drawing, or stamping. These processes further enhance the alloy’s mechanical properties, particularly its strength and hardness.
- Precision Control: Cold working requires precision control of deformation to maintain the desired shape and dimensions of the coil.
Heat Treatment
- Solution Annealing: The cold-worked alloy is then solution annealed to dissolve precipitates and homogenize the microstructure. This step is crucial for achieving optimal corrosion resistance.
- Aging Treatment: In some cases, an aging treatment may be applied to precipitate strengthening phases, further enhancing mechanical properties.
Surface Treatment
- Pickling, Passivation, or Electroplating: The surface of the Hastelloy C4 Coil is treated to improve corrosion resistance and appearance. Common surface treatments include pickling to remove surface oxides, passivation to form a protective oxide layer, and electroplating for additional corrosion protection.
Quality Inspection and Testing
- Chemical Composition Analysis: The chemical composition of the Hastelloy C4 Coil is verified through spectroscopic analysis to ensure it meets specified alloy limits.
- Mechanical Property Testing: Tensile testing, impact testing, and other mechanical property tests are conducted to assess the alloy’s strength, ductility, and toughness.
- Non-Destructive Testing (NDT): Techniques such as ultrasonic testing, radiography, and magnetic particle inspection are used to detect internal defects and ensure the integrity of the coil.
- Metallographic Examination: Microstructural examination is performed to evaluate the alloy’s grain size, precipitate distribution, and other microstructural features.
Final Coil Formation
- Coiling and Packaging: After passing all quality inspections, the Hastelloy C4 alloy is coiled into the desired shape and size. It is then carefully packaged to prevent damage during transportation and storage.
What is Hastelloy C4 Coil?
Hastelloy C4, also known as UNS N06455, is a high-performance austenitic low-carbon nickel-molybdenum-chromium alloy. It is renowned for its exceptional corrosion resistance, high temperature stability, strength, and toughness.The coil form of Hastelloy C4 allows for easy handling, storage, and transportation, making it suitable for a wide range of applications. These applications often involve harsh environments where corrosion resistance and high temperature stability are crucial. 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 C4 Coil
Hastelloy C276 coil is a versatile material with a wide range of applications due to its exceptional corrosion resistance, high temperature stability, and good mechanical properties. 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. Huaxiao Metal Manufacturer is the experienced in producing alloy in China. Welcome to inquire and consult.
Chemical and Petrochemical Industry:
- Used in equipment and pipelines that come into contact with corrosive chemicals, such as reactors, heat exchangers, and storage tanks.
- Suitable for environments containing chlorides, sulfur compounds, and other aggressive media.
Oil and Gas Industry:
- Employed in downhole equipment, wellheads, and pipelines in oil and gas exploration and production.
- Resistant to hydrogen sulfide (H2S) corrosion and other harsh conditions in the oil and gas industry.
Pharmaceutical Industry:
- Utilized in the manufacture of equipment and pipelines for the production and processing of pharmaceuticals.
- Ensures compliance with hygiene and cleanliness standards due to its corrosion resistance and ease of cleaning.
In Conclusion
Hastelloy C4 Coil 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, plate, bar etc.
Hastelloy C4 Coil is a highly versatile material with numerous applications across various industries. Its corrosion resistance, high temperature stability, and good mechanical properties make it an ideal choice for demanding environments and critical applications.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. Huaxiao Metal Manufacturer has the professional service to provide the solutions.