Explore our industrial range of high-conductivity alloys, phosphor coppers, and precision-engineered metal products manufactured to global technical standards.
Oxygen-Free High Conductivity (OFHC) Copper represents the zenith of high-purity copper metallurgy, systematically refined under controlled vacuum environments to achieve less than 0.001% (10 ppm) oxygen content. Unlike standard Electrolytic Tough Pitch (ETP) copper, which retains residual copper-oxygen compounds that compromise structural integrity during thermal processing, custom OFHC copper exhibits an electrical conductivity of at least 101% IACS (International Annealed Copper Standard).
From a metallurgical perspective, the elimination of oxygen yields two vital mechanical benefits. First, it eradicates susceptibility to hydrogen embrittlement. Under temperature stresses, atmospheric hydrogen can diffuse into standard copper, reacting with oxygen to create microscopic high-pressure water vapor pockets that cause catastrophic failure. Second, the lack of oxides allows for seamless wire-drawing processes to ultra-fine dimensions, guaranteeing uniform electrical resistance and structural density.
Examining the micro-scale dynamics and macro demand waves reshaping the high-purity copper sector globally.
Superconducting systems, particle accelerators, and cryogenic thermal straps rely on OFHC copper's exceptional thermal transfer efficiency and mechanical reliability in deep sub-zero conditions.
High-voltage battery interconnects, rapid-charging distribution buses, and traction motors require OFHC copper wires to avoid excessive energy dissipation and maintain structural longevity under thermal cycling.
As 5G/6G infrastructures transition to millimeter-wave frequencies, transmission lines and waveguides require custom, high-purity copper coatings and wires to minimize skin-effect electrical resistance losses.
Every application of high-purity oxygen-free copper requires unique geometry, mechanical temper, and structural performance tolerances. Our custom manufacturing pipeline provides end-to-end alignment from metallurgical configuration to surface plating.
A leading high-tech enterprise dedicated to the R&D, processing, and global export of advanced copper alloy materials.
Established in 2017, Sichuan Kepai New Materials Co., Ltd. has developed into a major production hub for high-performance copper alloys. Located strategically in the western area of the Sichuan Guanghan Industrial Development Zone beside National Highway 108, our industrial facilities span an expansive 9,000 square meters alongside a dedicated 1,000 square meter administrative block.
Our core manufacturing programs focus on strategic emerging materials, including high-conductivity oxygen-free copper, tellurium copper, silver copper, and dispersion-strengthened copper. Through dedicated engineering, our materials support key next-generation industries including new energy vehicles (NEVs), aerospace components, high-precision laser systems, and semiconductor power relays.
Combining strict metallurgy, technical expertise, and client support to maintain global distribution networks.
Our experienced R&D team works closely with technical universities to push boundaries. We specialize in high-conductivity materials and alloy compounds, earning international recognition for precision performance.
Our capabilities span pure copper, oxygen-free copper, tellurium copper, nickel-tellurium copper, tin bronze, beryllium copper, lead bronze, sulfur copper, and chromium zirconium copper to meet custom specifications.
Operating under the strategy "Rooted in Sichuan, radiating nationwide, and moving towards the world," we supply domestic and international industrial buyers with reliable supply chain logistics.
Guided by "integrity, innovation, collaboration, and win-win" principles, we focus on workplace safety, rigorous quality control, and eco-friendly manufacturing to drive mutual success.
A look at our factory equipment and testing labs, ensuring every wire order meets strict electrical and mechanical criteria.
Smelting Furnace
Laying-off Station
Extrusion Line
Drawing Equipment
Straightening Machine
Safe Packaging Area
Eddy Current Conductance Instrument
Chemical Composition Test Lab
Metallographic Polishing Machine
Electro-Hydraulic Servo Testing Machine
Electronic Universal Testing Machine
Precision Hardness Tester
Our processing operations adhere to ISO 9001 and international environmental standards.
Expert insights on Oxygen-Free High Conductivity copper application, specifications, and manufacturing requirements.
Contact Sichuan Kepai New Material Co., Ltd. for project quotes, custom alloy development, and technical consultation.
Browse our expanded portfolio of custom copper alloys, beryllium alloys, tellurium options, and industrial materials.
Kepai
