| Customization: | Available |
|---|---|
| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | ASTM |
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Hastelloy Wire
Hastelloy alloys are a group of nickel-based superalloys known for their exceptional corrosion resistance, high strength, and durability in extreme environments. Developed primarily for use in aggressive chemical processing environments, Hastelloy alloys offer superior resistance to a wide range of corrosive media, including acids, chlorides, sulfides, and reducing agents. These alloys maintain their mechanical properties at elevated temperatures, making them suitable for high-temperature applications such as furnace components, gas turbine engines, and aerospace equipment. Additionally, Hastelloy alloys exhibit excellent weldability and formability, allowing for easy fabrication into various shapes and sizes. Due to their outstanding performance in harsh environments, Hastelloy alloys are widely used in industries such as chemical processing, oil and gas, pharmaceuticals, and pollution control.
|
Grade
|
C276
|
C22
|
C4
|
B2
|
B3 | N | |
|
Chemical
Composition
(%)
|
C
|
≤0.01
|
≤0.015
|
≤0.015
|
≤0.02
|
≤0.01 | 0.04-0.08 |
|
Mn
|
≤1 | ≤0.5 | ≤1 | ≤1 | ≤3 | ≤1 | |
|
Fe
|
4-7 | 2-6 | ≤3 | ≤2 | ≤1.5 | ≤5 | |
|
P
|
≤0.04 | ≤0.02 | ≤0.04 | ≤0.04 | -- | ≤0.015 | |
|
S
|
≤0.03 | ≤0.02 | ≤0.03 | ≤0.03 | -- | ≤0.02 | |
|
Si
|
≤0.08 | ≤0.08 | ≤0.08 | ≤0.1 | ≤0.1 | ≤1 | |
|
Ni
|
rest | rest | rest | rest | ≥65 | rest | |
|
Co
|
≤2.5 | ≤2.5 | ≤2 | ≤1 | ≤3 | ≤0.2 | |
|
Ti+Cu
|
-- | -- | ≤0.7 | -- | ≤0.4 | ≤0.35 | |
|
Al+Ti
|
-- | -- | -- | -- | ≤0.5 | ≤0.5 | |
| Cr | 14.5-16.5 | 20-22.5 | 14-18 | ≤1 | ≤1.5 | 6-8 | |
| Mo | 15-17 | 12.5-14.5 | 14-17 | 26-30 | ≤28.5 | 15-18 | |
| B | -- | -- | -- | -- | -- | ≤0.01 | |
| W | 3-4.5 | 2.5-3.5 | -- | -- | ≤3 | ≤0.5 | |
| V | ≤0.35 | ≤0.35 | -- | 0.2-0.4 | -- | ≤0.5 | |
1. Excellent Corrosion Resistance: Hastelloy alloys perform well in acidic, alkaline, and saline environments, with excellent corrosion resistance, suitable for handling various corrosive media.
2. High-Temperature Strength: These alloys maintain strength and stability under high-temperature conditions, suitable for high-temperature, high-pressure, and corrosive gas environments.
3. Oxidation Resistance: Hastelloy alloys have excellent oxidation resistance, able to work for long periods at high temperatures without oxidation.
4. Good Machinability: Despite their excellent corrosion resistance and high-temperature strength, Hastelloy alloys still have good machinability and can be manufactured into various shapes using various processing techniques.
5. Multiple Varieties: Depending on specific application requirements, Hastelloy alloys are available in various grades and types to meet the needs of different engineering projects.
1. Raw Material Preparation: Firstly, raw materials for Hastelloy alloy, including nickel, molybdenum, chromium, iron, cobalt, and other alloying elements, need to be prepared according to specific compositions. These materials must be prepared in precise proportions to ensure the resulting alloy has the desired properties and characteristics.
2. Alloy Melting: During alloy melting, the raw materials are added to a high-temperature furnace according to the composition, where they are completely melted and mixed thoroughly. This process requires strict control of temperature and chemical reaction conditions to ensure the resulting alloy has consistent chemical composition and crystal structure.
3. Forging or Extrusion: The molten alloy is poured into molds of appropriate shapes and then processed into desired shapes, such as round or square-section bars, through forging or extrusion.
4. Drawing: The forged or extruded alloy bars are then drawn through a drawing machine to reduce their diameter into smaller wire. This process not only adjusts the diameter of the alloy but also improves its mechanical properties and surface quality.
5. Annealing: The drawn alloy wire undergoes annealing to relieve internal stresses and enhance its ductility and workability. This process involves heating the alloy wire to an appropriate temperature and then slowly cooling it to room temperature.
6. Surface Treatment: Finally, the alloy wire may undergo surface treatments such as polishing or coating to improve its surface smoothness, corrosion resistance, and appearance.
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5. What is the lead time?
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