Welcome to Jiangsu DLX alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of high temperature alloys, precision alloys and Incoloy,over 20 years.
Whatsapp:+86 199 0611 9641
Email:sales8@dlx-alloy.com
Add:NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
Precision Alloy Wire
Product Details

Our 3J22 Expansion Precision Alloy Wire is crafted from high-purity copper, ensuring exceptional conductivity and high performance. This alloy is specifically engineered to withstand high temperatures and environmental stresses, with a melting point ranging between 1300-1350°C. It is an ideal choice for a variety of demanding industrial applications, where reliability and precision are crucial.
Available in diameters from 1.2mm to 6.0mm, the 3J22 wire is suitable for use in a broad range of sectors, including aerospace, automotive, and electronics. Its excellent elongation of ≥ 35% and high resistivity (1.12) make it an ideal material for manufacturing precision gears and other critical components.
This wire is versatile and highly customizable, catering to both small and large orders. Whether you're working on intricate components or larger industrial parts, the 3J22 alloy ensures excellent performance in extreme conditions, providing the reliability needed in high-temperature environments.
| Grades | Density (g/cm³) | Electrical Resistivity (10⁻⁶ Ω·cm) | Thermal Conductivity (W/m·K) | Modulus of Elasticity (GPa) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation at Break (%) | Elastic Limit (MPa) | Fatigue Life (cycles) | Working Temperature Range (°C) | Temperature Coefficient |
| 8.1 | 80 | 11 | 144 | 800 | 1000 | 10 | 800 | >10⁷ | -60 to 200 | Extremely low temperature coefficient of elasticity | |
| 8.3 | 120 | 40 | 125 | 300 | 600 | 20 | 300 | >10⁷ | -40 to 150 | Elasticity remains constant with minimal temperature sensitivity | |
| 8.2 | 100 | 15 | 180 | 1100 | 1400 | 5 | 1100 | >10⁶ | -200 to 500 | Maintains high strength even at elevated temperatures |
Alloy Composition: Pure copper conductor for superior electrical conductivity.
Temperature Resistance: Melting point of 1300-1350°C, ideal for high-temperature applications.
Diameter Range: Available in 1.2-6.0mm, catering to various application requirements.
Elongation: ≥ 35%, ensuring excellent ductility and flexibility during use.
High Resistivity: 1.12, ensuring excellent performance in wear-resistant applications.
Customizable: Available in multiple forms, including strips, for different industrial needs.


The DLX 3J22 Expansion Precision Alloy Wire is widely used in industries that require materials capable of withstanding high temperatures and extreme environmental conditions. Some of the key applications include:
Aerospace: Used in precision components such as turbine blades, aircraft electrical systems, and sensors.
Automotive: Ideal for manufacturing engine parts, high-performance wiring, and exhaust systems exposed to high temperatures.
Electronics: Used in precision instruments, circuit components, and telecommunication equipment.
Oil & Gas: Suitable for environments with high thermal demands, such as deep drilling and refinery operations.
Precision Gears: The high precision properties make it perfect for gears used in various mechanical systems.

The 3J22 Expansion Precision Alloy Wire is produced through a precise manufacturing process to ensure the highest quality and performance:
Melting: High-purity copper is melted and refined in electric arc or induction furnaces to ensure the perfect chemical composition.
Drawing: The molten alloy is drawn into wire form with precise control over diameter, ensuring uniformity and quality.
Annealing: The wire undergoes annealing to relieve stress and optimize its mechanical properties, ensuring an elongation of ≥ 35%.
Galvanization: The wire is coated with a protective layer to increase its resistance to oxidation and corrosion.
Final Inspection: The wire is inspected for quality control, ensuring that it meets the highest standards of durability, conductivity, and precision.

High Temperature Performance: Designed to withstand extreme temperatures, making it ideal for high-heat applications.
Precision Manufacturing: Excellent dimensional accuracy, with a high tolerance for precise industrial uses.
Corrosion Resistance: Galvanized coating ensures long-lasting durability even in harsh environments.
High Elongation: The alloy’s flexibility allows it to adapt to various applications without compromising performance.
Versatile: Customizable wire forms to meet specific customer requirements in various industries.



Q1: What is the brand name of the product?
A1: The brand name of this product is DLX.
Q2: What is the model number of the product?
A2: The model number of this product is 3J22 Expansion Precision Alloy Wire.
Q3: Where is this product manufactured?
A3: The product is manufactured in JiangSu, China.
Q4: What is the minimum order quantity for this product?
A4: The minimum order quantity is 5 meters.
Q5: What are the key applications of 3J22 Expansion Precision Alloy Wire?
A5: This alloy wire is ideal for aerospace, automotive, electronics, oil & gas, and precision machinery industries.
Q6: What are the advantages of using DLX 3J22 Precision Alloy Wire?
A6: The wire offers excellent high-temperature resistance, corrosion resistance, precision, and high elongation, making it perfect for critical industrial applications.
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