| Customization: | Available |
|---|---|
| Type: | Wire |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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1J18 is a precision nickel-iron alloy that is known for its extremely low coefficient of thermal expansion (CTE), making it ideal for high-precision applications where dimensional stability is crucial. It is often used in industries that require materials to maintain their shape and size across a wide range of temperatures, such as in temperature sensing and precision instrumentation.
| Property | Description |
|---|---|
| Alloy Name | 1J18 (sometimes referred to as Ю18 in certain markets) |
| Alloy Type | Nickel-Iron Alloy |
| Main Components | Nickel (Ni), Iron (Fe), Small amounts of Cobalt (Co), Chromium (Cr) |
| Thermal Expansion | Extremely low coefficient of thermal expansion (lower than Invar alloys) |
| Magnetic Properties | Low magnetic permeability, suitable for applications where magnetic fields need to be minimized |
| Density | Approx. 8.1 g/cm³ |
| Melting Point | ~1420°C (2588°F) |
| Mechanical Strength | Excellent strength, especially in high-temperature environments |
| Fabricability | Good formability, can be easily made into wire, sheet, or other forms |
| Dimensional Stability | Remarkable dimensional stability, even at high and low temperatures |
| Conductivity | Moderate electrical conductivity, useful in electrical and electronic applications |
1J18 is particularly valued in industries where high precision and thermal stability are critical. Some common applications include:
| Application | Description |
|---|---|
| Precision Instruments | Used in the construction of measuring instruments, thermometers, and pressure gauges, which require minimal dimensional changes with temperature variations. |
| Temperature Sensing | Applied in thermocouples, temperature sensors, and other sensing devices where dimensional consistency across varying temperatures is required. |
| Aerospace | Used in aerospace components like actuators, temperature-sensitive materials, and high-precision components exposed to extreme environments. |
| Electronics | Employed in electronic components and devices that require stable performance at varying temperatures, such as precision resistors or microelectromechanical systems (MEMS). |
| Scientific Research | Ideal for scientific experiments and research instrumentation where accurate readings are crucial, even in varying thermal conditions. |
1J18 is a precision nickel-iron alloy that stands out for its exceptional dimensional stability and low coefficient of thermal expansion. These properties make it a go-to material in applications requiring high precision and temperature-resistance, including temperature sensors, measuring instruments, and aerospace components. It is particularly suited for industries where maintaining shape and size across a range of temperatures is critical to the performance of the product, such as in scientific instrumentation, electronics, and high-precision engineering.
A Precision Alloy Nickel Alloy is a specialized group of nickel-based alloys designed to perform exceptionally well in applications that require high precision and dimensional stability. These alloys are often used in electronics, aerospace, and instrumentation where accuracy, resistance to temperature changes, and mechanical strength are critical.
Precision Alloy Nickel Alloys are known for the following key features:
Precision Alloy Nickel Alloys are used in:
The main difference lies in the specific application and performance:
Some of the well-known precision alloy nickel alloys include:
Industries that commonly use precision alloy nickel alloys include:
Low thermal expansion means that the material's dimensions remain stable even when exposed to temperature changes. This is crucial in high-precision applications such as measuring instruments, optical devices, and aerospace components, where even minute dimensional changes can lead to performance degradation.
Precision alloys, particularly those made from nickel, tend to have high tensile strength and excellent resistance to deformation under mechanical stress. These alloys are engineered to maintain their shape and structural integrity over a wider range of temperatures and environmental conditions, compared to other materials like carbon steel or standard stainless steel.
Yes, many precision alloy nickel alloys, such as Kovar (29% Nickel), are designed to maintain stable magnetic properties. This makes them ideal for applications in transformers, magnetic sensors, and electronic devices that require controlled magnetic permeability.
These alloys are typically produced using advanced metallurgical processes such as:
Yes, most precision alloy nickel alloys have good weldability and can be processed into complex shapes, making them suitable for high-precision manufacturing. However, the exact processing techniques may vary depending on the alloy composition and specific application requirements.
The price of precision alloy nickel alloys can vary depending on the alloy grade, size, and supplier. Generally, they are more expensive than standard nickel alloys due to their specific formulation and high-performance properties. Prices typically range from $20 to $100 per kilogram or more, depending on the material's purity and market conditions.
When selecting a precision alloy, consider the following factors:
Precision alloy nickel alloys are available in various forms, including:
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