Electrical Contact Stamping

Electrical Contact Stamping

Dimensional Tolerance : ±0.1 mm
Hole Position Accuracy : ≤0.1 mm
Minimum Order Quantity : 200 pcs
Weight Range : 0.5g–500kg
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Product Introduction

Electrical contact stamping parts are manufactured using high-precision stamping technology, and the accuracy of key dimensions is strictly controlled within ±0.01 mm to ensure the consistency of contact geometry and fit reliability. Its surface has been finely processed, and the average roughness is stably maintained below 1 micron, providing an ideal basis for low and stable contact resistance. These precision components are widely used in demanding connector and switch fields.

 

To meet the long-term performance requirements of harsh environments, these electrical contact stampings undergo special surface treatment and protection, successfully passing a 96-hour salt spray test and demonstrating excellent corrosion resistance. The material selection, manufacturing process, and final performance all adhere strictly to relevant German industrial standards, ensuring the product reaches internationally leading levels in electrical performance, mechanical strength, and environmental adaptability, providing a durable and reliable electrical connection solution for a variety of critical electronic devices.

 

 

Materials 

 

JOYEAR is family business created in 2008, focusing on providing large-scale and efficient industrial parts export services to global customers.JOYEAR has a high-precision metal product customization service. You only need to provide your drawings or 3D models, and our professional team can transform them into physical objects.

 

Parameter

Pure Copper

Brass

Phosphor Bronze

Beryllium Copper

Conductivity

100% IACS

28% IACS

18% IACS

22% IACS

Elastic Limit

Low

Medium

High

Very High

Corrosion Resistance

Medium (plating req.)

Medium

Good

Excellent

Machinability

Excellent

Excellent

Good

Fair

 

Our product range includes:

      ► Materials: Carbon steel / Mild steel / Structural steel / Stainless steel / Aluminum / Copper, etc.

      ► Forms: Sheets / Profiles / Tubes / Round bars / Flat bars / Square bars, etc.

 

Features 

 

Electrical Contact Stamping
 

Electrical contact stampings feature high-precision geometric contours and a uniformly smooth surface. Plating layers such as gold, silver, and tin determine both visual character and protective performance.

 

Component hardness ranges from ductile to ultra-hard (up to 400 HV), with sharp, flawless edges. High-hardness areas effectively resist wear during insertion and removal, ensuring stable contact morphology and providing a reliable physical barrier for electrical connections.

product-401-401
 

 

 

Electrical contact stampings exhibit high-precision geometric contours in appearance, and the surface usually presents a uniform and consistent            finish or specific functional textures. Its color mainly depends on the selected surface plating. Common ones are bright silver (silver plating), golden      yellow (gold plating) or grayish white (tin, nickel plating), which not only provides visual identification, but is also directly related to its protection              level. These components have a wide range of hardness, from a softer ductile state to a very hard rigid state through material selection and heat            treatment process to meet the requirements of different applications for contact deformation resistance.

 

Visually, high-quality stamping parts have clear and sharp edges without burrs, and the surface color is uniform without spots or color differences.        The plating gives it a unique metallic luster, such as the gorgeous feeling of gold plating or the cool feeling of silver plating, while the matte                      treatment presents a delicate low-reflective effect. In terms of hardness, its performance is significantly higher than that of ordinary stamped metal      parts, especially in critical contact areas. The high hardness (up to 400HV or above) effectively resists plug-in wear and permanent deformation,            ensuring the stability of contact shape and contact pressure during long-term use. It is an important physical guarantee for reliable electrical                    connection.

 

 

 

Combination Matching

 

Common Matching
  • Spring components

    Provide constant contact pressure, compensating for mating wear and tolerance fluctuations, commonly found in battery contacts or connectors.

  • Metal housings/shields

    Provide mechanical protection and electromagnetic shielding, used in high-frequency connectors or industrial interfaces.

  • Fasteners

    Provide physical attachment to PCBs or cables, ensuring connection reliability in high-vibration environments.

 

Applications 

product-776-436
01

New Energy Vehicle Charging Connector Contacts

Beryllium copper stamped pins with 0.01mm precision can carry 200 amperes of current, and their surface is silver-plated to reduce contact resistance.

 

The IP67 sealing structure resists moisture corrosion, ensuring that charging efficiency does not decrease after tens of thousands of plugging and unplugging cycles, meeting the safety requirements of fast charging.

02

5G Base Station High-Frequency Connectors

Phosphor bronze stamped arrays transmit 40 GHz signals without loss. Gold plating minimizes signal reflection.

 

Compact layouts accommodate millimeter-wave frequencies. Anti-vibration configurations ensure stable base station operation for ten years.

product-778-438
product-693-389
03

Medical Monitor Electrode Interfaces

Stainless steel stamped contacts retain 1 milliohm resistance with biocompatible plating.

 

Miniaturized designs interface with vital sign sensors. These components sustain signal accuracy after repeated high-temperature sterilization cycles.

04

Industrial Robot Control Modules

Multi-layer copper alloy stamped terminals resist 150°C operating temperatures.

 

Self-wiping designs eliminate oxide films. Impact-resistant engineering ensures zero current interruption during millions of mechanical movements.

product-679-382

 

 

Conclusion

For potential partners, we sincerely invite you to visit our modernized manufacturing base in China.Witnessing our production process, advanced equipment and strict quality control system will be the best way to build mutual trust, and Joyear is looking forward to your visit, so that we can have the opportunity to show you the charm and strength of professional manufacturing and discuss possible cooperation!

 

 

 

 

 

 

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