| Customization: | Available |
|---|---|
| Type: | Sheet |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
|
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Nickel alloy 2J33, also known by commercial names like Vicalloy 2, Fecovcr11/2, and AFK548, is a high-performance nickel-cobalt alloy designed for demanding applications that require high strength, corrosion resistance, and thermal stability.
| Element | Approximate Content |
|---|---|
| Nickel (Ni) | Balance (~50-60%) |
| Cobalt (Co) | ~20-30% |
| Chromium (Cr) | ~10-20% |
| Molybdenum (Mo) | ~2-5% |
| Iron (Fe) | Trace |
| Carbon (C) | Trace |
| Other Elements | Small amounts of elements like Manganese (Mn), Silicon (Si), Titanium (Ti), etc. |
This composition offers a good balance of properties suited for high-strength, corrosion-resistant applications.
| Property | Value |
|---|---|
| Density (g/cm³) | ~8.7 |
| Melting Point (°C) | ~1350-1420 |
| Tensile Strength (MPa) | ~650-900 |
| Yield Strength (MPa) | ~450-700 |
| Elongation (%) | ~10-20% |
| Thermal Conductivity (W/m·K) | ~14.0 |
| Coefficient of Thermal Expansion (µm/m·°C) | ~13-15 (20-100°C) |
High Strength: The alloy offers excellent tensile and yield strength, making it suitable for structural components and applications that require the ability to withstand mechanical stress, especially at high temperatures.
Excellent Corrosion Resistance: It exhibits outstanding resistance to oxidation and corrosion, even in aggressive environments such as high-temperature or chemically harsh applications.
Thermal Stability: The alloy maintains its mechanical properties over a wide temperature range, allowing it to be used in environments where thermal cycling or high thermal exposure is common.
Magnetic Properties: The combination of cobalt in the alloy gives it magnetic properties, which may be beneficial for use in electrical and electronic applications that require magnetic materials.
Workability: This alloy is relatively easy to machine and fabricate, making it suitable for applications requiring complex geometries and precision machining.
Aerospace: Used in turbine blades, engine components, and other aerospace applications that require materials that can perform under extreme heat and mechanical stress.
Power Generation: It is used in gas turbines, heat exchangers, and other high-temperature power generation equipment.
Chemical Processing: The alloy's corrosion resistance makes it suitable for chemical reactors, valves, and piping in corrosive environments.
Oil & Gas: Used in downhole tools, wellhead equipment, and pipeline components that must endure harsh conditions such as high pressure, temperature, and corrosion.
Electronics & Electrical Components: The magnetic properties and high mechanical strength make it ideal for electrical contacts, sensors, and other components that need to function in high-performance environments.
| Property | Precision Alloy Steel Sheets | |
| Material Composition | Similar to strips, precision alloy sheets are made from carefully controlled compositions, often with low expansion coefficients or specialized magnetic properties, such as Invar or Mu-metal. | |
| Thickness | Precision alloy sheets are thicker than strips, typically ranging from 0.5 mm to several millimeters, depending on mechanical and thermal property requirements. | |
| Applications | Commonly used in industries such as aerospace, electronics, and medical devices for components like structural parts, enclosures, and sensitive instrumentation that require controlled mechanical properties and dimensional accuracy. | |
| Mechanical Properties | High tensile strength, excellent flatness, and precision in dimensions. These sheets offer stable mechanical properties under both high and low temperature conditions. | |
| Thermal Properties | Similar to strips, these sheets are designed for specific thermal behaviors, such as low expansion or high-temperature stability, depending on the alloy (e.g., Invar, Mu-metal). | |
| Electrical Properties | Precision alloys in sheet form may also have controlled electrical resistance, especially for applications in sensitive electronics or electrical components. | |
| Magnetic Properties | Similar to strips, magnetic alloys like Mu-metal sheets are used for shielding in sensitive equipment to control or eliminate external magnetic interference. | |
| Forming & Fabrication | Precision alloy sheets can be cold-rolled, heat-treated, laser-cut, or stamped. They are suitable for both complex shapes and applications requiring high dimensional tolerance and material consistency. | |
| Heat Treatment | Heat treatments like solution annealing or stress-relief are common for precision alloy sheets to improve properties such as strength, stability, and resistance to thermal expansion. | |
| Welding & Joining | Precision alloy sheets can be welded or brazed, although welding requires careful control of heat to avoid compromising the alloy's properties. | |
| Examples of Alloys | Invar, Mu-metal, Kovar, Constantan, Permalloy | |
| Cost | Precision alloy sheets are also expensive, as they require precise manufacturing and composition control. Their cost is higher than standard steel or non-precision alloys. | |
| Common Standards | ASTM A-240, ASTM B-637, ASTM B-553, AMS 5525 |
1: What is precision alloy?
Precision alloys refer to special alloys with high purity, uniformity and stability. They are usually used to manufacture parts or components that have extremely strict size, shape and performance requirements. They have special physical properties (such as magnetic, electrical, thermal, etc.) and chemical properties to meet specific engineering requirements.
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