8.0g/cm3 Iron Nickel Alloy 4J29 Low Expansion Alloy For Precision Instruments
Price:
Price is negotiated based on the required specifications and quantity
MOQ:
100KG
Delivery Time:
5-8 working days, depending on the parameters required for negotiation
Brand:
4J29 Alloy
Product Description
8.0g/cm³ Iron Nickel Alloy 4J29 Low Expansion Alloy For Precision Instruments
Product Specifications
| Attribute | Value |
|---|---|
| Density | ~8.0 g/cm³ |
| Tensile Strength | ~690 MPa (100 ksi) |
| Yield Strength | ~400 MPa (58 ksi) |
| Elongation | ~30% |
| Machinability | Good |
| Weldability | Excellent |
| Melting Point | ~1420°C (2588°F) |
| Applications | Precision instruments, aerospace components, electronics |
4J29 Low Expansion Nickel-Iron Alloy
4J29 alloy is a high-performance nickel-iron alloy with approximately 29% nickel content, engineered for excellent dimensional stability and minimal thermal expansion in precision applications.
Material Composition
- Nickel (Ni): 29%
- Iron (Fe): Balance
- Trace Elements: May include carbon, manganese, and silicon
Key Physical Properties
- Thermal Expansion: 1.8 × 10⁻⁶ /°C (1.8 µm/m/°C)
- Modulus of Elasticity: 130 GPa (19 × 10⁶ psi)
- Thermal Conductivity: 11 W/m*K
- Electrical Resistivity: 50 µΩ*cm
- Magnetic Permeability: Low
Industrial Applications
- Precision measurement instruments and scientific equipment
- Aerospace components requiring dimensional stability
- High-reliability electronic devices
- Precision machinery and tooling
Fabrication Characteristics
4J29 alloy offers good machinability with standard tools and excellent weldability with proper techniques. Careful handling is recommended to maintain dimensional accuracy during processing.
Quality Standards
Manufactured according to ASTM and ISO standards to ensure consistent performance in critical applications.
Material Summary
4J29 alloy is a specialized nickel-iron material prized for its exceptional thermal stability and low expansion characteristics. Its combination of mechanical properties and dimensional stability makes it ideal for precision engineering applications where temperature variations must not compromise performance.
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Company
Jiangsu Zhonggongte Metallurgical Technology Co., Ltd.
Location
New South Stainless Steel Trading Market, Fangcheng Avenue, Wuxi City, Jiangsu Province, 12-101.
Contact Person
John zhou