Precision alloys · Alloy 55 / Pernifer 55 / 2.4472
Alloy 55 / W.Nr. 2.4472: Technical Characteristics and Supplies
Technical Characteristics of Alloy 55
Alloy 55, also known as Pernifer 55 or VDM Alloy 55, is a precision nickel-iron alloy with a precisely controlled coefficient of thermal expansion. EV Group China supplies this material in wire form for critically important engineering solutions that require exceptional geometric stability under temperature fluctuations. This characteristic makes it indispensable for high-precision instruments and components where minimal deformation due to temperature is a key factor for reliability and performance.
| Product Type | Parameter | Value |
|---|---|---|
| W.Nr. | Wire | 2.4472 |
| Marking | Wire | Alloy 55, VDM Alloy 55, Pernifer 55 |
| DIN Standard | Wire | 17745 |
Chemical Composition of Alloy 55
The optimized chemical composition of Alloy 55 ensures an ideal combination of ductility and strength. EV Group China guarantees strict compliance of the material's composition with international quality standards, confirmed by certificates and laboratory tests. Precise control of nickel and iron content is critical for achieving the specified thermal and mechanical properties, ensuring predictable material behavior in the most demanding applications.
| Element | Parameter | Value |
|---|---|---|
| Content, % | Fe (Iron) | 44 |
| Content, % | Ni (Nickel) | 55 |
Mechanical Properties of Alloy 55
Alloy 55 material demonstrates outstanding strength and yield properties, making it indispensable in instrumentation, electrical engineering, and electronics industries. These mechanical properties ensure the durability and reliability of components subjected to significant loads and cyclic temperature changes. High manufacturing precision by EV Group China guarantees the stability of these parameters for each batch of supplied material.
| Tensile Strength | Parameter | Value |
|---|---|---|
| Yield Strength (0.2% offset) | 544 MPa | 485 MPa |
| Elongation, min. | 544 MPa | 22% |
Physical Properties and Performance Indicators
The density of Alloy 55 is 8.0 g/cm³. Below are the key physical characteristics necessary for precise engineering calculations and system design where temperature stability and electrical properties play a crucial role. These data confirm the material's suitability for use in high-tech devices requiring minimal thermal expansion and stable electrical parameters.
| Temperature °C | Parameter | Value |
|---|---|---|
| 22 | Poisson's Ratio | - |
| 22 | Coefficient of Thermal Expansion (10⁻⁶ °C) | - |
| 22 | Modulus of Elasticity GPa | - |
| 22 | Thermal Conductivity (W/m °C) | - |
| 22 | Specific Heat Capacity (J/kg·°C) | - |
| 22 | Specific Electrical Resistance (Ω mm²/m) | 0.44 |
| 492 | Poisson's Ratio | 444 |
| 492 | Coefficient of Thermal Expansion (10⁻⁶ °C) | 34 |
| 492 | Modulus of Elasticity GPa | - |
| 492 | Thermal Conductivity (W/m °C) | 21.2 |
| 492 | Specific Heat Capacity (J/kg·°C) | - |
| 492 | Specific Electrical Resistance (Ω mm²/m) | - |
| 827 | Poisson's Ratio | - |
| 827 | Coefficient of Thermal Expansion (10⁻⁶ °C) | - |
| 827 | Modulus of Elasticity GPa | 864 |
| 827 | Thermal Conductivity (W/m °C) | 14.3 |
| 827 | Specific Heat Capacity (J/kg·°C) | 342 |
| 827 | Specific Electrical Resistance (Ω mm²/m) | - |