Alumina Copper Spot Welding Needle Battery Special Spot Welding Needle Handheld 18650 Lithium Battery Welding Rod Double-headed Eccentric Copper Needle

1. Product Overview

Our Aluminum Oxide Copper Spot Welding Needles are high-performance, durable electrodes designed for precision welding of galvanized steel, nickel strips, aluminum alloys, stainless steel, and brass. Made from high-purity oxidation aluminum copper (Al₂O₃-Cu), these needles offer long service life, high-temperature resistance, and superior conductivity, making them ideal for industrial and battery manufacturing applications.

2. Key Features

Exceptional Durability: High spot-welding times (100,000+ cycles) with minimal wear.
Heat & Wear Resistance: Withstands extreme temperatures without sticking or deforming.
Low Electrical Resistance: Ensures efficient energy transfer for consistent weld quality.
Customizable Designs: Non-standard sizes, shapes, and colors available upon request.
Double-Ended Eccentric Design: Both ends are usable, maximizing utilization.

3. Technical Specifications

Parameter	Specification
Material	Oxidation Aluminum Copper (Al₂O₃-Cu)
Color	Light Pink (custom colors available)
Dimensions	Customizable (standard and non-standard)
Key Properties	High-frequency welding, low resistance, anti-sticking
Temperature Range	Up to 600°C (continuous operation)

4. Applications

Battery Manufacturing: Welding 18650/21700/26650 nickel strips for lithium battery packs.
Automotive Industry: Joining galvanized steel and aluminum alloys in EV components.
Metal Fabrication: Essential for stainless steel, brass, and nickel-plated sheets.

5. Why Choose Our Welding Needles?

Precision Craftsmanship: Exquisite workmanship ensures consistent performance.
OEM Support: Tailored solutions for unique welding requirements.
✔ Fast Delivery: Quality-assured products shipped promptly from our factory.

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