High-performance engineering copper alloys manufactured under rigorous metallurgical controls.
Decoding the physical attributes, atomic structures, and thermal characteristics of the ultimate spring alloy.
CW101C Beryllium Copper (standardized under European norms as CuBe2 and equivalent to UNS C17200) represents the pinnacle of copper alloy engineering. By integrating approximately 1.8% to 2.0% beryllium with trace amounts of cobalt and nickel, CW101C achieves an extraordinary combination of high tensile strength, outstanding thermal conductivity, and superb wear resistance. This precipitation-hardening alloy bypasses the typical trade-offs found in traditional copper matrices, where mechanical strength often compromises electrical properties.
From an atomic standpoint, the addition of beryllium enables a process of precipitation hardening (age hardening) that transforms the copper lattice. Upon heating the material to its solution annealing temperature and rapidly quenching it, the beryllium atoms remain in a supersaturated solid solution. Subsequent thermal aging triggers the controlled precipitation of coherent beryllium-rich GP zones. These microscopic barriers obstruct dislocation movements within the grain boundary network, amplifying yield strength up to 1200 MPa while maintaining electrical conductivities typically ranging from 20% to 30% IACS (International Annealed Copper Standard).
Reaches tensile limits of up to 1400 N/mm² after aging. Excellent fatigue resistance makes it the premiere choice for cycles of high cyclic stress applications.
Thermal conductivity stays stable even at elevated temperatures, ensuring rapid heat dissipation in demanding electrical contacts and mold tooling inserts.
Resists atmospheric tarnishing, oxidation, and hydrogen embrittlement. Low friction coefficient under load minimizes sliding wear.
Pioneering tomorrow's advanced metallurgical compounds to meet extreme performance environments.
The roadmap for CW101C is defined by high-purity smelting technology. Our technical division is actively refining the vacuum induction melting (VIM) parameters to control impurity levels—specifically iron, silicon, and aluminum—to less than 0.05%. Micro-alloying strategies targeting grain size optimization via precise zirconium or cobalt additions allow us to achieve uniform crystal boundaries, preventing micro-cracking during deep cold-drawing phases.
Looking to the horizon, the requirements for 5G antenna switches, electric vehicle terminal blocks, and miniature spring contacts push CW101C towards thinner gauges and tighter dimension tolerances. Strategic initiatives also include researching green alternative alloys with optimized trace element configurations to reduce process emissions while securing raw materials for sustainable production cycles.
How CW101C Beryllium Copper drives performance in the world's most critical engineering verticals.
As signals move to high-frequency domains, antennas, coaxial connectors, and optical transceiver shielding rely heavily on CW101C's elastic resilience and conductivity to guarantee uninterrupted signal transfer.
High-voltage battery relays, fast-charging plug connections, and power distribution terminals require CW101C to carry massive currents without overheating. Its high relaxation resistance maintains secure contact over a vehicle's lifespan.
Used widely for plastic injection mold inserts and blow mold wear plates. Fast heat extraction speeds up production cycle times, while extreme hardness resists scratch damages.
A pioneer in the development, manufacturing, and distribution of premium advanced copper alloy materials.
Sichuan Kepai New Materials Co., Ltd., established in 2017, is a high-tech enterprise integrating research and development, production, and sales. Currently, our advanced factory covers an area of approximately 9,000 square meters, complemented by a modern office space of about 1,000 square meters. The company primarily engages in the production of strategic emerging new materials, 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. Our products are mainly applied in high-tech fields such as new energy vehicles, 5G technology, laser cutting, and lithium battery relays.
Located in the western area of the Sichuan Guanghan Industrial Development Zone, adjacent to National Highway 108, Kepai enjoys a superior geographical location and convenient transportation, laying a solid foundation for rapid enterprise logistics and global shipment dispatch. 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.
Why global OEMs choose Sichuan Kepai for high-performance copper material solutions.
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.
Integrating smart machinery, rapid thermal cycles, and digital tracking to achieve maximum performance consistency.
Our commitment to Industry 4.0 paradigms translates into complete production oversight, from the initial melting phase to final packaging. By leveraging real-time data from casting and drawing units, we maintain stable extrusion speeds and heat configurations, eliminating common defects like internal porosity and surface cracks in our CW101C and other copper alloys. This localized operational model in Sichuan provides access to highly reliable power grids, stable regional raw materials, and an optimized transportation network to keep supply chains resilient even during global market shifts.
Each batch of beryllium copper, tellurium copper, and special brass undergoes mechanical and electrical validation, ensuring it aligns perfectly with target metrics. This structural control reduces scrap rates at client facilities and accelerates assembly pipelines in critical high-volume sectors.
State-of-the-art production machinery and analytical instruments guaranteeing high-precision output.
Meeting stringent global standards for high-security applications and international imports.
Operating as a primary exporter to North America, Europe, and Asia-Pacific regions, Sichuan Kepai maintains strict compliance with major international standards. Our materials are fully aligned with RoHS and REACH directives, ensuring safe utilization in sensitive consumer electronics and automotive assemblies. To prevent potential environmental exposure during machining, we provide exhaustive Material Safety Data Sheets (MSDS) and guide our customers on localized dry-machining extract systems.
Our localized support structure goes beyond paperwork; our metallurgical specialists collaborate directly with client design teams to determine the precise aging cycle (AT vs HT heat treatment templates) suited for their specific micro-stamping setups. This direct engineering feedback loop minimizes trial cycles, avoiding costly tooling revisions and expediting production times.
Independently audited manufacturing processes matching ISO quality standards.
Answering technical engineering and procurement questions for modern production networks.
A: CW101C (equivalent to CuBe2 or C17200) features approximately 1.8% to 2.0% beryllium content, prioritizing high mechanical strength and hardness. In contrast, CW102C contains lower beryllium (typically 0.4% to 0.7%) combined with cobalt and nickel, which delivers lower tensile values but significantly higher electrical and thermal conductivities.
A: Machining CW101C is easiest when the material is in the solution-annealed state. Once machined into final shapes, it is heat-aged to achieve maximum strength and hardness. If machining in the pre-hardened (aged) state is necessary, tooling speeds must be reduced, and carbide-tipped tools must be used alongside steady coolant application.
A: We utilize micro-computer controlled electro-hydraulic servo testing systems and eddy current conductance testing on each batch. This process, coupled with strict vacuum smelting steps, ensures uniform grain distributions and keeps impurity variances under 0.05%, preventing mechanical differences across batches.
A: Yes. Our technical team works alongside global clients to develop custom alloy configurations. We can adjust the concentration of trace elements (like tellurium, chromium, or zirconium) to match specific high-current or high-conductivity targets requested for your components.
A: High-power electronic manufacturers, new energy vehicle manufacturers, and plasma torch suppliers benefit heavily. Beryllium copper acts as an excellent mechanical contact and spring element, while tellurium copper provides rapid heat dissipation and ease of high-speed machining for current-carrying components.
A: Our plant uses modern enclosed dust-extraction hoods and dry-chip recovery mechanisms. All final products are certified to conform to REACH and RoHS rules, ensuring safe use within standard electronic assemblies.
High-purity specialized formulations for electrical systems, heavy tooling, and custom machining.
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.
Kepai