Explore our industrial-grade, precision-manufactured copper alloy materials optimized for extreme wear resistance and maximum electrical conductivity.
Established in 2017, Sichuan Kepai New Materials Co., Ltd. is a nationally recognized, high-tech enterprise integrating advanced metallurgical research and development, smart production, and global sales networks. Currently, our state-of-the-art manufacturing factory covers an area of approximately 9,000 square meters, supported by a 1,000 square meter high-tech collaborative office space.
The company primarily engages in the production of strategic emerging new materials targeted under the national 13th Five-Year Plan. We are committed to processing and distributing specialized copper alloys, including tellurium copper, high-conductivity oxygen-free copper, silver copper, and dispersion copper. Our structural R&D resources focus on unlocking the ultimate potential of high-conductivity, easy-to-machine, and high-strength copper alloys.
Our core mission revolves around solving complex material challenges for global clients across high-growth, technology-driven sectors such as New Energy Vehicles (NEVs), 5G networks, micro-laser cutting, and advanced lithium battery relay components.
Analyzing the global transition from traditional Bronze to advanced high-conductivity Copper alloys in high-tech manufacturing.
The transition toward renewable energy, high-voltage power transmission, and global smart grids has accelerated the demand for high-purity copper and specialized copper alloys. While traditional bronze holds up under basic load conditions, the extreme thermal and electrical demands of modern smart grids dictate a transition to high-conductivity tellurium and beryllium copper alloys to prevent power loss and signal degradation.
Modern OEM manufacturing relies heavily on stable regional supply ecosystems. By placing production hubs adjacent to national transport systems, Sichuan Kepai mitigates transcontinental logistics disruptions. Our position as an integrated raw material supplier and component factory helps global clients secure high-grade copper alloys with certified tracing and robust quality control metrics.
With global regulations targeting carbon footprints and waste reduction, the metallurgical sector is adopting cleaner, energy-efficient production methods. Sichuan Kepai is focused on developing lead-free and eco-friendly alloy alternatives (such as low-lead and lead-free copper-bronze replacements) to comply with international RoHS and REACH regulations, while maintaining processing characteristics.
A comprehensive metallurgical analysis of raw material selection and modern engineering applications.
| Alloy Type / Code | Key Chemical Constituents | Electrical Conductivity (% IACS) | Tensile Strength (MPa) | Machinability Rating | Primary Industrial Application |
|---|---|---|---|---|---|
| Tellurium Copper (C14500) | Cu + 0.4-0.7% Te + P | 90% - 98% | 250 - 380 | 85% (Excellent) | EV Charging Pins, Plasma Nozzles, Relay Contacts |
| Beryllium Copper (C17200) | Cu + 1.8-2.0% Be + Co/Ni | 15% - 25% | 1100 - 1400 | 20% (Aged) / 60% (Solution) | Aerospace Bushings, Precision Springs, Non-sparking tools |
| Chromium Zirconium (C18150) | Cu + 0.5-1.5% Cr + 0.05-0.25% Zr | 80% - 85% | 480 - 600 | 30% (Moderate) | Resistance Welding Electrodes, Continuous Caster Molds |
| Lead Bronze (C93200 / OEM) | Cu + Sn + Pb + Zn | 12% - 15% | 200 - 300 | 70% (Good) | Heavy Machinery Bearings, Wear Strips, Bushings |
| Oxygen-Free Pure Copper (C10200) | Cu > 99.95% | 101% - 102% | 220 - 340 | 20% (Sticky) | Busbars, Vacuum Electronics, Superconductor matrices |
To achieve high strength without sacrificing electrical conductivity, materials undergo specialized precipitation hardening and solution heat treatment protocols. Sichuan Kepai leverages state-of-the-art melting and extrusion techniques to control grain boundary orientations, ensuring that our OEM clients receive alloys with uniform microstructures and consistent physical properties.
Four cornerstones driving our competitive position in the global metallurgical market.
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.
Our integrated facility utilizes precision equipment to control every stage from casting to validation testing.
Sichuan Kepai strictly adheres to international quality management and environmental compliance standards.
A strategic layout of upcoming alloy developments targeting global green-energy transformations.
Phasing out trace lead constituents in brass and bronze to transition toward specialized bismuth-copper and sulfur-copper alloys, ensuring conformity with upcoming global RoHS directives.
Optimizing gas atomization processing parameters to manufacture high-conductivity copper alloy powders specifically formulated for direct metal laser sintering (DMLS) 3D printing applications.
Pioneering research into copper-graphene and carbon nanotube reinforced copper matrices to push electrical conductivity limits beyond the 103% IACS threshold for cryogenic applications.
Addressing search intent questions regarding copper and bronze manufacturing limits.
Additional specialized materials including oxygen-free high conductivity tellurium, beryllium copper grades, and lead-brass alloys.
Kepai
