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Welding process for contact assembly — resistance welding
The welding quality of contact assemblies directly determines the performance of low-voltage electrical switch products. In the welding process of low-voltage electrical contact assemblies, the appropriate selection of metal electrode materials and their structural design are essential conditions...Read more -
Silver Alloy Materials and Contacts: Beyond Tradition, Ushering in a New Era of High-Performance Applications
In industrial manufacturing and high-end applications, material selection often determines the final quality and core competitiveness of a product. Silver alloys, through scientific formulation and advanced metallurgical processes, combine the natural advantages of silver with the properties of o...Read more -
The Indispensable Role of Silver & Silver Alloy Materials in the AI Industry
Shanghai ZHJ Technologies Empowers AI Innovation with High-Performance Precious Metal Solutions As artificial intelligence reshapes global industry and digital infrastructure, the demand for ultra-reliable, high-efficiency electronic components has never been greater. Silver and silver alloy mat...Read more -
SHZHJ Delivers Precision Welding, Riveting, and Stamping Solutions
For our welded assemblies, SHZHJ leverages advanced process control and strict quality standards to ensure every weld point delivers excellent electrical and mechanical performance. Whether applied in switches, relays, or other conductive systems, our welded assemblies achieve low contact resista...Read more -
Looking for Silver Contact Rivets You Can Rely On?
As we know that in electrical switches and relays, Silver rivet contact with poor quality leads to inconsistent performance. But SHZHJ making rivets you can trust, for batch after batch, in high volumes, and complex designs. Our buttom rivet are made with high-precision equipment that ensures sol...Read more -
A must-read guide for Silver contacts purchaser to avoid pitfalls
The raw materials for electrical contact components are typically silver alloys/copper/tungsten, which are expensive and account for a large portion of the total price. Therefore, some suppliers often resort to unfair means to win bids. Exceeding the standard draft angle. The typical draft ang...Read more -
Characteristics and Applications of Tungsten-Copper Alloy
Tungsten-copper alloy is a high-performance composite material that combines the advantages of both tungsten and copper. Tungsten has a melting point as high as 3,410°C and a density of 19.34 g/cm³, while copper has a melting point of 1,080°C and a density of 8.89 g/cm³. Tungsten-copper alloy exh...Read more -
Selection Guide for Silver-Based Contacts in Medium- and Low-Voltage Relays: How to Choose Rivets Types?
Medium- and low-voltage relays are widely used in industrial control, home appliances, automotive electronics, and other fields. Their operating voltages typically range from tens of volts to 1,000 volts, with currents ranging from milliamps to tens of amperes. As the core components of relays, t...Read more -
Chemical Copper Adhesion in Silver-Based Contact Rivets: Causes, Impacts, and Prevention Solutions | SHZHJ
Abstract With the rapid development of electrical contact materials, silver-based contact materials remain highly valued for their excellent electrical conductivity. As low-voltage appliances trend toward high power, miniaturization, high frequency, and high reliability, the quality requirements ...Read more -
What are copper-tungsten contacts?
Like tungsten silver contacts(WAg contact), tungsten copper contacts (WCu contacts) are highly representative tungsten contacts. Tungsten copper contacts are electrical contacts made with tungsten as the base material and copper as an auxiliary material. They are pseudo-alloy products composed of...Read more -
Product Promotion: Silver Contacts and Copper Profile Parts for Traction Motors
In the dynamic world of traction motor manufacturing, the quality of components can make all the difference. Our company takes pride in offering top - notch silver contacts and copper profile parts that are specifically designed for traction motors, ensuring high - perfo...Read more -
Common contact materials for relays
AgNi contacts: Silver-nickel alloy contacts are a widely used environmentally friendly material with excellent electrical and thermal conductivity and high ablation resistance, making them particularly suitable for controlling resistive loads. However, they have poor surge current resistance, whi...Read more










