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Precision-engineered copper alloy materials trusted by Osaka's electronics, automotive, and manufacturing sectors
C17500 (UNS C17500) is a premium beryllium cobalt copper alloy renowned for its exceptional combination of high electrical conductivity, superior mechanical strength, and outstanding thermal performance. With a beryllium content of approximately 0.4–0.7% and cobalt additions, this alloy achieves conductivity levels of 45–60% IACS while maintaining tensile strengths exceeding 700 MPa after age hardening — a balance that few materials can match.
For Osaka's world-class industrial ecosystem — spanning precision electronics, semiconductor equipment, automotive components, and advanced robotics — C17500 delivers the performance edge that modern manufacturing demands. Its resistance to stress relaxation and fatigue makes it ideal for connectors, springs, and relay components operating in high-cycle environments.
Osaka Prefecture hosts over 180,000 manufacturing businesses, with the Higashi-Osaka area alone recognized as Japan's premier precision manufacturing hub. The growing demand for EV components, 5G infrastructure, and industrial automation is driving unprecedented need for advanced copper alloys like C17500 that combine conductivity with mechanical durability.
45–60% IACS electrical conductivity — ideal for Osaka's connector and relay manufacturers.
Tensile strength >700 MPa supports Osaka's precision machining and aerospace sectors.
Excellent heat resistance for semiconductor and laser equipment made in Osaka.
Compliant with RoHS and environmental standards favored by Osaka's green manufacturing initiatives.
How Osaka's evolving industrial landscape is driving demand for advanced beryllium cobalt copper materials
Osaka-based Tier-1 automotive suppliers are rapidly adopting C17500 for EV battery relay contacts, charging connectors, and motor components. The material's high conductivity minimizes energy loss while its strength withstands vibration in vehicle environments. With Japan's EV adoption accelerating, Osaka's auto parts manufacturers need reliable C17500 suppliers.
The rollout of 5G networks across Osaka requires precision connectors and RF components that demand both electrical performance and mechanical reliability. C17500's superior conductivity and fatigue resistance make it the preferred material for 5G base station connectors, antennas, and high-frequency components manufactured in Osaka's electronics districts.
Osaka is home to major robotics manufacturers and automation integrators. C17500 beryllium cobalt copper is widely used in robotic end-effectors, servo motor components, and precision sensors. Its wear resistance and dimensional stability under repeated mechanical stress make it indispensable for Osaka's growing automation industry.
Osaka's semiconductor ecosystem, centered around companies in Namba and Yodogawa districts, relies on C17500 for test sockets, IC carriers, and precision contact springs. The alloy's non-sparking characteristics and excellent spring properties are critical for semiconductor handling equipment where reliability is paramount.
Osaka's machine tool industry, including laser cutting and plasma processing equipment manufacturers, utilizes C17500 for nozzle components, electrode holders, and heat-dissipating parts. The material's thermal conductivity and machinability ensure consistent performance in high-power laser applications.
With Osaka emerging as a hub for lithium battery production and energy storage system assembly, C17500 plays a key role in battery management relay contacts, busbars, and connector systems. Its combination of conductivity and mechanical durability reduces energy loss and extends service life in demanding battery environments.
Real-world use cases across Osaka's diverse manufacturing and technology sectors
The Higashi-Osaka cluster of SME manufacturers uses C17500 rods and bars for CNC-machined precision components — connectors, bushings, and valve seats — where tight tolerances and surface finish are critical.
Marine and heavy industrial equipment manufacturers near Osaka Port utilize C17500 for corrosion-resistant electrical contacts and seawater-resistant connectors in offshore and port automation systems.
Osaka's thriving medical device sector employs C17500 in MRI-compatible components, surgical instrument contacts, and diagnostic equipment connectors, leveraging its non-magnetic properties and biocompatibility.
Osaka-based aerospace suppliers source C17500 for aircraft electrical connectors, avionics housings, and defense electronics — applications demanding maximum reliability across extreme temperature ranges.
With Osaka's consumer electronics manufacturers expanding into smart home and IoT products, C17500 micro-connectors and spring contacts enable reliable, long-life electrical connections in compact device designs.
Osaka's mold-making industry — one of Japan's most competitive — uses C17500 for beryllium copper mold inserts and cores, where superior thermal conductivity dramatically reduces cycle times and improves part quality.
Sichuan Kepai New Material Co., Ltd.
Sichuan Kepai New Materials Co., Ltd., established in 2017, is a high-tech enterprise integrating research and development, production, and sales. Currently, the factory covers an area of approximately 9,000 square meters, with an office space of about 1,000 square meters. The company primarily engages in the production of strategic emerging new materials for the national 13th Five-Year Plan, including special copper alloys such as tellurium copper, high-conductivity oxygen-free copper, silver copper, and dispersion copper, while also focusing on the research and development of high-conductivity, easy-to-machine, high-strength copper alloys. The products are mainly applied in high-tech fields such as new energy vehicles, 5G technology, laser cutting, and lithium battery relays.
The company is located in the western area of the Sichuan Guanghan Industrial Development Zone, adjacent to National Highway 108, boasting a superior geographical location and convenient transportation, which lays a solid foundation for the rapid development of the enterprise. Since its establishment, Kepai has adhered to the business philosophy of "innovation-driven development, quality wins the market," committed to providing customers with the highest quality high-end copper alloy materials, and promoting industrial upgrading and sustainable development.
Four pillars that make Kepai the preferred C17500 copper alloy supplier for Osaka's industrial partners
Technological innovation is the core competitiveness of Sichuan Kepai New Materials Co., Ltd. The company has a research and development and production team composed of senior industry experts who keep pace with international cutting-edge technology trends and continuously explore the unknown boundaries in the field of new copper alloy materials. Through a combination of independent research and development and industry-university-research collaboration, Kepai has made breakthrough progress in several areas, including high-performance tellurium copper, lead copper, and sulfur copper. Many of its technological achievements have reached international advanced levels and have been successfully applied in various industries such as new energy vehicles, precision machining parts, plasma cutting, relays, and energy storage, earning widespread recognition and praise in the market.
Kepai's product line is rich and diverse, covering a comprehensive range of solutions from basic materials to high-end customization. We focus on providing customers with high-performance, high-quality high-end copper alloy products, including but not limited to pure copper, oxygen-free copper, oxygen-free high-conductivity tellurium copper, nickel tellurium copper, tin bronze, beryllium copper, lead bronze, sulfur copper, and chromium zirconium copper. These products play an important role in reducing production costs and enhancing product performance due to their excellent physical and chemical properties and environmental friendliness, creating significant economic and social benefits for customers.
In the face of global market competition, Sichuan Kepai New Materials adheres to the development strategy of "rooted in Sichuan, radiating nationwide, and moving towards the world." By continuously optimizing market layout and improving the sales network, we have established a stable customer base in multiple provinces and cities across the country and have formed long-term cooperative relationships with several internationally renowned enterprises. At the same time, the company actively expands into overseas markets, participates in international competition and cooperation, and strives to promote Kepai's brand influence on the global stage.
We understand that the long-term development of an enterprise is inseparable from an excellent corporate culture. We advocate the corporate spirit of "integrity, innovation, collaboration, and win-win," encouraging employees to explore boldly and innovate courageously, while also emphasizing teamwork and talent cultivation, striving to create a harmonious, open, and inclusive work atmosphere. We believe that only by continuously pursuing excellence and creating value can we win the trust of customers and the respect of society.
Internationally recognized quality certifications backing every C17500 shipment to Osaka
State-of-the-art manufacturing and quality testing equipment ensuring every C17500 product meets Osaka's stringent standards
Looking ahead, Sichuan Kepai New Materials Co., Ltd. will continue to uphold its original intention, with even greater enthusiasm and determination, to engage in research and application in the field of new materials, contributing to the development of the new copper alloy materials industry in China and globally. We look forward to working hand in hand with friends from all walks of life to create a brilliant future together! Whether you are an Osaka-based manufacturer, distributor, or procurement specialist seeking reliable C17500 beryllium cobalt copper alloy supply, our team is ready to provide you with customized solutions, competitive pricing, and fast international delivery.
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