| Customization: | Available |
|---|---|
| Type: | Sheet |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
|
Still deciding? Get samples of US$ 10/kg
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Feroval42Ni (also referred to as K94100, FeNi42, 1.3917) is a nickel-iron alloy that is specifically designed for applications where low thermal expansion, high thermal stability, and good electrical properties are required. This alloy is often used in industries that demand materials with stable dimensions over a wide range of temperatures.
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 42 |
| Iron (Fe) | Balance (~58%) |
| Chromium (Cr) | Trace |
| Silicon (Si) | Trace |
| Manganese (Mn) | Trace |
| Property | Feroval42Ni (K94100, FeNi42) |
|---|---|
| Density (g/cm³) | ~8.2 |
| Melting Point (°C) | ~1350 |
| Coefficient of Thermal Expansion (µm/m·°C) | ~4.2 (10-100°C) |
| Electrical Resistivity (µΩ·cm) | ~0.5-0.6 |
| Tensile Strength (MPa) | ~550-700 |
| Yield Strength (MPa) | ~250-350 |
| Thermal Conductivity (W/m·K) | ~20 |
Low Thermal Expansion: One of the most important features of Feroval42Ni is its low coefficient of thermal expansion, which ensures that the material maintains its dimensions even when subjected to significant temperature changes. This makes it ideal for precision applications where stability is required.
Thermal Stability: This alloy can maintain its structural integrity and strength even under high-temperature conditions, which makes it suitable for use in thermal management applications and environments with fluctuating temperatures.
Electrical Resistivity: With good electrical resistivity, Feroval42Ni is used in applications where stable electrical properties are important, such as in electrical contacts, thermocouples, and resistive components.
Corrosion Resistance: Feroval42Ni provides moderate corrosion resistance, especially in environments that are not highly aggressive, but can withstand thermal stresses without deteriorating.
Workability: The alloy is relatively easy to form, weld, and machine, which is an advantage for manufacturing precision components in various industries.
Precision Instruments: Feroval42Ni is commonly used in precision measurement tools and devices where thermal expansion needs to be minimized over a wide temperature range.
Electronics: It is used in electrical components, such as contacts, relays, and thermocouples, where low expansion and high stability are necessary for accurate operation.
Aerospace: Feroval42Ni is utilized in aerospace applications where components must withstand high thermal stresses and retain their shape and dimensions.
Thermal Management: The alloy is also found in heat exchangers, temperature sensors, and devices exposed to fluctuating temperatures.
Clocks and Watches: Components in high-precision timekeeping equipment, like springs, where low expansion is a critical property.
Welding Electrodes: Feroval42Ni is sometimes used in welding electrodes for joining materials that require low thermal expansion properties.
| 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.
You can contact us through the following methods
Online support: Visit our website for live chat
Address: 300 Meters North of Liaoniu Road and Xindong Ring Road, Liaocheng High-Tech Zone, Liaocheng, Shandong, China
We look forward to providing you with high-quality products and services!
If you have any other questions, feel free to contact us, and we will do our best to assist you!
){kind=link}