Founded in 2017, Sichuan Kepai New Materials Co., Ltd. has rapidly ascended as a high-tech private enterprise specializing in high-conductivity, high-strength special copper alloys.
With a 29,000 sqm factory footprint, we integrate independent R&D with advanced manufacturing to serve over 1,000 global clients in precision industries.
Holding 30+ patent certificates, our core focus includes Oxygen-free Tellurium Copper and C14700 Sulfur Copper alloys designed for high-end manufacturing.
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In the landscape of non-ferrous metallurgy, Sulfur Copper (ASTM C14700) stands as a critical material that bridges the gap between pure copper's high conductivity and the mechanical requirements of mass production. As a leading Sulfur Copper Alloy Manufacturer, Kepai New Material focuses on the metallurgical precision required to balance these often-conflicting properties.
China has become the global hub for high-performance copper alloy supply chains for several strategic reasons. Factories like Sichuan Kepai leverage regional advantages to offer unmatched value:
The global trend toward Sustainability and Intelligence is reshaping the copper industry. C14700 Sulfur Copper is increasingly preferred due to its recyclability and the elimination of lead—often found in free-cutting brass. As automotive and electronics industries move toward stricter RoHS compliance, sulfur-modified copper offers a high-conductivity alternative that does not compromise the environment.
Sulfur copper's high conductivity (min 90% IACS) is vital for high-current charging pins and battery interconnects where heat dissipation is critical.
Precision-machined connectors for satellite communications rely on C14700 for its dimensional stability under varying thermal loads.
While often used for its electrical properties, the corrosion resistance of high-purity sulfur copper makes it suitable for specialized marine sensors.
Copper alloys designed to prevent overheating in 5G base stations and AI data centers.
Free-cutting alloys that increase tool life by 30% and reduce machine downtime.
Strategic stockholding and rapid prototyping for global enterprise procurement needs.
Full compliance with ISO 9001, ISO 14001, and IATF 16949 for automotive-grade reliability.
Kepai’s product range covers the full spectrum of high-performance copper requirements. For instance, our C19160 high strength copper alloy is engineered for applications where electrical conductivity must be paired with extreme tensile strength (exceeding 600 MPa). Meanwhile, our Tellurium Copper (C14500) remains the industry standard for plasma cutting electrodes due to its superior resistance to arc erosion.
Fig 1: Global Market Distribution of Kepai High-Performance Alloys