3J5 3 Elastic Alloy Wire
Professional supplier of 3J3 constant elasticity alloy fine wire, diameter 0.08-3mm, offering straightening and cutting customization.
Material Overview
3J53 is a nickel-chromium-cobalt-titanium-aluminum constant-elasticity alloy. Its defining feature is an extremely low temperature coefficient of elastic modulus, with modulus variation within ±1% over the temperature range of -60°C to +100°C. The alloy also offers excellent properties including non-magnetism, corrosion resistance, and high elastic limit, making it a critical material for precision instruments and electronic devices.
3J53 alloy wire is produced via vacuum induction melting to ensure material purity and microstructural uniformity. After solution treatment and aging, the wire achieves optimal constant elasticity performance and comprehensive mechanical properties.
Chemical Composition and Mechanical Properties
3J53 Alloy Wire Chemical Composition (Mass Fraction %)
| Element | Content Range |
|---|---|
| Hi | 34.0-38.0 |
| Cr | 11.0-13.0 |
| Co | 11.0-13.0 |
| It | 2.30-2.70 |
| AI | 0.60-1.00 |
| Fe | Remaining |
Mechanical Properties of 3J53 Alloy Wire (Aged Condition)
Tensile Strength
≥1100 MPa
Yield Strength
≥750 MPa
Elongation
≥8%
Density
8.10 g/cm³
Temperature Coefficient of Elastic Modulus
≤±1×10⁻⁶/°C
Available Wire Specifications
Wire diameter range
0.08mm - 3.0mm
Delivery Status
Solutionized / Aged
Packaging Format
Coiled / Straight (Cut-to-Length)
Execution Standard
GB/T 15018
Core Product Advantages
Constant elasticity
The temperature coefficient of the elastic modulus is extremely low, ensuring excellent frequency stability under temperature variations.
Non-magnetic
Completely non-magnetic, ideal for precision instrument environments sensitive to magnetic fields.
High elastic limit
High elastic limit; withstands significant deformation without permanent set.
Excellent corrosion resistance
Excellent corrosion resistance in various media, including air, freshwater, and seawater.
Industries
- Elastic sensitive components, diaphragms, and bellows for precision instruments
- Quartz Crystal Resonator Lead Frame
- SAW Delay Line
- High-precision springs, hairsprings, and tension strips
Processing & Delivery
Complementary Services
- Wire straightening
- Custom Slitting to Length
- Provide 3.1 material certification
- Heat Treatment Process Instructions
Delivery Timeline
Standard specifications in stock; ships in 3-5 business days. Custom special specifications require production; lead time is 7-15 business days. Nationwide delivery supported; expedited service available.
Frequently Asked Questions (FAQ)
What is the constant elasticity principle of 3J53 alloy wire?
The 3J53 alloy maintains a nearly constant elastic modulus across a wide temperature range by precisely balancing the positive and negative temperature-dependent effects of its unique nickel, chromium, cobalt, titanium, and aluminum composition. This is achieved through exact control of alloy formulation and heat treatment processes.
What's the difference between 3J53 and 3J21?
3J53 is an elastic alloy with an extremely low temperature coefficient of the modulus of elasticity, making it suitable for applications requiring high frequency stability, such as resonators and delay lines. 3J21 is a high-elasticity alloy with a higher elastic limit, ideal for precision springs and elastic components in instruments. Their application scenarios differ.
Can 3J53 alloy wire be welded?
3J53 alloy can be welded using argon arc welding, resistance welding, and other processes. However, welding may degrade the age-hardening effect; therefore, post-weld aging treatment is required to restore elastic constant properties. Welding is recommended in the solution-treated condition.
What is the minimum wire diameter for 3J53 alloy wire?
3J53 alloy wire offers a minimum diameter of 0.08mm, meeting the manufacturing requirements for precision resonators and micro-elastic components. Wire diameter tolerance is controlled within ±0.005mm.
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