Description

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Product Introduction

Silver Alloy Wire Material is a high-performance electrical contact material based on high-purity silver, produced by incorporating elements such as nickel (Ni), tin oxide (SnO₂), copper (Cu), and zinc oxide (ZnO). It is suitable for use in the manufacturing of electrical components for relays, contactors, circuit breakers, automotive electronics, new energy systems, and industrial control equipment.

Technical Specifications

Material Systems	AgNi, AgSnO₂, AgCu, AgZnO, etc.
Silver Content	Customized according to customer requirements
Wire Diameter Range	Φ0.15mm – Φ8.0mm
Wire Diameter Tolerance	Standard ±0.005mm – ±0.02mm; special specifications subject to evaluation
Electrical Conductivity	55% – 98% IACS
Hardness	60 – 150 HV
Tensile Strength	Customizable
Supply Condition	Soft, half-hard, or hard
Surface Finish	Bright finish
Environmental Compliance	RoHS and REACH compliant
Delivery Form	Coils, spools, or cut-to-length pieces

Product Features

Excellent Electrical Conductivity

Utilizes a high-purity silver-based material system characterized by low resistivity and stable current-carrying capacity; this minimizes heat generation caused by contact resistance and enhances the operational stability of electrical components.

Resistance to Arc Erosion

Optimized alloy composition and microstructural uniformity provide superior resistance to arc erosion, ensuring durability during frequent switching operations and under inductive load conditions.

Stable Processing Characteristics

The material exhibits excellent plasticity and is suitable for various manufacturing processes-including cold drawing, stamping, riveting, and welding-thereby boosting automated production efficiency and product consistency.

Good Weldability

Demonstrates excellent performance in brazing, resistance welding, and laser welding, enabling reliable connections with copper-based materials to meet the manufacturing requirements of electrical contact assemblies.

Diverse Material Options

Supports a range of silver-based alloy systems (such as AgNi, AgSnO₂, and AgCu), allowing for material selection based on specific requirements regarding current-carrying capacity, electrical life, and cost.

Manufacturing Process

01/

Raw Material Control
High-purity silver and premium alloying elements are used; all raw materials undergo chemical composition analysis and incoming material inspection to ensure batch-to-batch consistency.

02/

Vacuum Melting
Vacuum induction melting or protective atmosphere melting processes are employed to enhance alloy composition uniformity and minimize the impact of oxidation and impurities.

03/

Continuous Casting
Alloy ingots with uniform microstructure are produced via continuous casting, providing a stable foundation for subsequent processing.

04/

Multi-pass Rolling
A combination of hot and cold rolling processes is used to increase material density and optimize grain structure.

05/

Precision Wire Drawing
Multi-pass wire drawing gradually reduces the diameter, achieving high dimensional accuracy and superior surface quality.

06/

Continuous Annealing
Protective atmosphere annealing eliminates processing stresses, enhancing material ductility and suitability for further processing.

07/

In-process Inspection
Key parameters-such as wire diameter, electrical conductivity, hardness, and surface quality-are monitored throughout the process in accordance with product specifications.

08/

Export Packaging
Moisture-proof, anti-oxidation, and specialized export packaging solutions are available to minimize the risk of surface discoloration during international shipping and storage.

Quality Assurance

Available Testing Services

Chemical composition analysis
Electrical conductivity testing
Microstructural analysis
Hardness testing
Tensile strength testing
Dimensional inspection
Surface quality inspection

Technical Documentation Available

Material test reports
Factory inspection reports
RoHS Declaration of Conformity
REACH Declaration of Conformity
PPAP documentation support (if required by the project)

Application Areas

Relay Industry

Power relays, automotive relays, magnetic latching relays.

Contactor Industry

AC contactors, DC contactors, high-voltage relays.

Switch Industry

Microswitches, push-button switches, wall switches, temperature control switches.

New Energy Industry

Energy storage relays, contact components for charging equipment, photovoltaic electrical equipment.

Industrial Control

Industrial controllers, electromagnetic control equipment, and low-voltage electrical apparatus.

Customized Services

Material System Customization
Supports the development of material systems such as AgNi, AgSnO₂, AgCu, and AgZnO.

Mechanical Property Adjustment
Supports optimization of hardness, tensile strength, and processing conditions.

Dimensional Customization
Supports specific wire diameters, tolerance requirements, and fixed-length cutting.

Packaging Customization
Supports various spool specifications, packaging weights, and automatic feeding requirements.

Sample Development Support
Supports prototype production, small-batch validation, and mass supply.

Why Choose Us

Comprehensive Manufacturing Capabilities
Key processes-including melting, rolling, wire drawing, annealing, and testing-are all performed in-house, ensuring product consistency and reliable delivery.

Flexible Customization and Development
We support material development and performance optimization based on drawings, samples, or specific technical requirements.

Robust Quality Management System
We maintain traceability mechanisms covering raw materials, production processes, and finished product inspections to ensure consistent quality.

International Supply Experience
Familiar with the procurement processes of overseas industrial clients, we provide technical documentation, export packaging, and comprehensive international trade support.