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

Name: 8.0g/cm3 Iron Nickel Alloy 4J29 Low Expansion Alloy For Precision Instruments
Brand: Jiangsu Zhonggongte Metallurgical Technology Co., Ltd.
SKU: 4J29 Alloy
Availability: InStock

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

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Product Details:

Place of Origin:	China
Brand Name:	4J29 Alloy
Certification:	ISO Certificate
Model Number:	4J29 Alloy

Payment & Shipping Terms:

Minimum Order Quantity:	100KG
Price:	Price is negotiated based on the required specifications and quantity
Packaging Details:	Standard export packaging, or packaging as required
Delivery Time:	5-8 working days, depending on the parameters required for negotiation
Payment Terms:	Payment Terms: Mainly T/T.. L/C, D/A, D/P,
Supply Ability:	5000 tons per month

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

Description

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 , 8.0g/cm3 Iron Nickel Alloy , 4J29 Low Expansion Alloy

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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Contact Person: John zhou

Tel: +8613306184668

Fax: 86-510-88232386

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