High Strength 6J40 Alloy , Nickel Iron Alloy Low Thermal Expansion For Precision Instruments
6J40 Alloy Is A Nickel-Iron Alloy With Low Thermal Expansion And High Strength
6J40 Alloy
6J40 Alloy is a specialized nickel-iron alloy with high nickel content, designed for applications requiring low thermal expansion and superior mechanical properties. Composed of approximately 40% nickel, this alloy is engineered to provide excellent dimensional stability and resistance to thermal stresses. It is widely used in precision engineering, aerospace, and electronic applications where maintaining strict dimensional tolerances is essential.
Composition:
| Element | Percentage |
|---|---|
| Nickel | 40% |
| Iron | Balance |
| Other Elements | Trace amounts of other elements |
Key Properties:
- Density: 8.3 g/cm³
- Thermal Expansion: 1.0 x 10^-6 /°C
- Yield Strength: 600 MPa
- Tensile Strength: 800 MPa
- Elongation: 12%
- Hardness: 210 HB
6J40 Alloy is renowned for its combination of low expansion and high strength, making it an optimal choice for high-precision components and devices where stability and durability are critical.
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