Established in May 2017, Sichuan Kepai New Materials Co., Ltd. has rapidly emerged as a globally recognized high-tech enterprise. Our core expertise lies in the Research & Development, large-scale production, and strategic distribution of high-conductivity, high-strength free-cutting tellurium copper and advanced Lead Bronze alloys. With a sprawling 29,000 square meter factory floor and a portfolio of over 30 patent certificates, we are not just a manufacturer; we are an innovation hub for the non-ferrous metal industry.
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In the competitive landscape of "Best Lead Bronze Manufacturers," Kepai differentiates itself through Information Gain—we don't just supply raw materials; we provide integrated metallurgical solutions that optimize the entire manufacturing lifecycle of our clients.
Lead bronze (Cu-Sn-Pb alloy) is indispensable in modern heavy industry due to its unique tribological properties. By precisely controlling the lead distribution within the copper-tin matrix, we achieve a material that offers superior anti-seize properties and high-load bearing capacity. Our Lead Bronze variants, such as C93200 (SAE 660) and C93700, are engineered for environments where boundary lubrication is critical.
Hardness levels reaching 80-120HB and tensile strength exceeding 300MPa. Ideal for heavy-duty bushings and bearings.
The lead phase acts as a solid lubricant, preventing catastrophic failure in case of temporary lubrication loss.
Classified as a "Free-Cutting" alloy, our lead bronze reduces tool wear and significantly lowers CNC processing costs.
The global demand for Lead Bronze is shifting toward high-purity, environmentally compliant alloys. Modern procurement managers are no longer just looking for the lowest price; they are seeking reliability, supply chain transparency, and technical support. From the high-speed rail networks in Europe to the aerospace clusters in North America, lead bronze remains a vital component.
Kepai Material has successfully expanded its footprint across Southeast Asia, the Middle East, and the Americas, providing localized logistics and technical support to ensure seamless integration into local production lines.
High-conductivity copper is the backbone of NEV efficiency. Our alloys are used in charging connectors and battery busbars.
Precision-engineered lead bronze components for generators, landing gear bushings, and data transmission housing.
Utilizing the antimicrobial properties of copper and the precision of our alloys for high-end diagnostic machinery.
As the industry moves toward "Industry 4.0," Sichuan Kepai is investing heavily in AI-driven metallurgical analysis. Our roadmap includes the development of next-generation oxygen-free tellurium copper with even lower oxygen content (<5ppm) and higher electrical conductivity (>98% IACS).
Phase 1 (2024-2025): Implementation of fully automated continuous casting lines for Lead Bronze to eliminate human error in alloy composition.
Phase 2 (2026-2027): Expansion of our R&D center to focus on lead-free bronze alternatives that maintain the same self-lubricating properties for strictly regulated markets.
Phase 3 (2028+): Global "Smart Hub" strategy—establishing technical support centers in every major industrial continent to provide 24-hour metallurgical consulting.
Our company has passed ISO9001:2015, ISO14001:2015, and OHSAS 45001:2018 certifications. We adhere to the strictest IATF 16949 standards for automotive supply chains, ensuring every batch of Lead Bronze or Tellurium Copper meets the exact specifications of the client.
Sustainability is not just a buzzword. We utilize eco-friendly production processes and recycling systems to minimize our carbon footprint, contributing to a greener global manufacturing ecosystem.
Our "Best" status is derived from our integrated R&D. Unlike standard factories, we control the entire process from oxygen-free melting to final precision machining, ensuring zero defects and superior metallurgical stability.
Yes, provided the lead distribution is fine and uniform. Our Lead Bronze alloys are specifically treated to prevent lead segregation, making them suitable for high-speed bushings in automotive and industrial pumps.
Tellurium copper is primarily used for high-conductivity applications (welding tips, connectors), while Lead Bronze is focused on mechanical wear resistance and lubrication. Kepai excels in both.
Absolutely. Our independent R&D team can adjust Tin, Lead, and Zinc ratios to meet specific hardness, tensile strength, or conductivity requirements for unique industrial projects.
Kepai New Material
