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8.0g/cm3 Iron Nickel Alloy 4J29 Low Expansion Alloy For Precision Instruments

8.0g/cm3 Iron Nickel Alloy 4J29 Low Expansion Alloy For Precision Instruments

MOQ: 100KG
Price: Price is negotiated based on the required specifications and quantity
Standard Packaging: Standard export packaging, or packaging as required
Delivery Period: 5-8 working days, depending on the parameters required for negotiation
Payment Method: Payment Terms: Mainly T/T.. L/C, D/A, D/P,
Supply Capacity: 5000 tons per month
Detail Information
Place of Origin
China
Brand Name
4J29 Alloy
Certification
ISO Certificate
Model Number
4J29 Alloy
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
Highlight:

Iron Nickel Alloy 4J29

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8.0g/cm3 Iron Nickel Alloy

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4J29 Low Expansion 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.
8.0g/cm3 Iron Nickel Alloy 4J29 Low Expansion Alloy For Precision Instruments 0
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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