Industry-leading materials engineered for precision and durability.
As a leading Custom C18150 Specification Manufacturer, Sichuan Kepai New Materials Co., Ltd. recognizes that Chromium Zirconium Copper is not just an alloy; it is a critical enabler for the modern industrial landscape. C18150 is a precipitation-hardened copper alloy, meticulously engineered to provide a unique combination of high electrical conductivity (minimum 80% IACS) and extraordinary mechanical strength even at elevated temperatures.
The addition of Chromium (Cr) and Zirconium (Zr) allows for the formation of fine precipitates within the copper matrix during heat treatment. These precipitates block dislocation movement, thereby increasing hardness and resistance to softening—a property vital for resistance welding electrodes, where temperatures frequently exceed 500°C. Compared to C18200 (Chromium Copper), C18150 offers superior resistance to sticking and a longer service life in heavy-duty welding applications.
The roadmap for C18150 is evolving towards nanostructured grain refinement and ultra-high-purity sourcing. At Sichuan Kepai, our R&D focus is on optimizing the Zr:Cr ratio to enhance the alloy's performance in the burgeoning semiconductor and electric vehicle (EV) sectors. Future iterations of C18150 will likely see integration with additive manufacturing (3D printing), where customized cooling channels in welding caps can further revolutionize thermal management.
The global demand for high-performance copper alloys is surging, driven by the electrification of transport and the expansion of 5G infrastructure. C18150 remains the "gold standard" for robotic welding lines in the automotive industry, particularly in the production of high-strength steel vehicle bodies.
Sichuan Kepai leverages a robust local supply chain and advanced smelting technologies. By centralizing R&D and production, we offer a "Zero-Distance" technical support model, ensuring high efficiency, competitive pricing, and shortened lead times for global distributors.
In high-tech hubs, C18150 is increasingly used for EV Battery Busbars and Semiconductor Lead Frames. Its ability to maintain structural integrity under high current loads makes it indispensable for the next generation of power electronics.
Established in May 2017, Sichuan Kepai New Materials Co., Ltd. is a high-tech private company specializing in the R&D, production, and sales of high-conductivity, high-strength free-cutting tellurium copper and special copper alloys. Our facility spans 29,000 square meters and is equipped with cutting-edge testing laboratories to ensure every batch of C18150 meets the most stringent international standards.
We don't just supply raw materials; we provide optimized metallurgical solutions. Our production process involves vacuum melting to minimize impurities, followed by precise cold working and solution heat treatment. This results in a material that offers:
Quality is our cornerstone. Kepai has successfully passed ISO9001:2015, ISO14001:2015, and OHSAS 45001:2018. For our automotive clients, we strictly adhere to IATF 16949 requirements, ensuring that our C18150 Chromium Zirconium Copper is fully compliant with RoHS and REACH regulations, facilitating seamless entry into European and North American markets.
| Property | C18150 (Kepai Standard) | C18200 (Comparison) | C11000 (Pure Copper) |
|---|---|---|---|
| Electrical Conductivity | 80 - 90% IACS | 80% IACS | 101% IACS |
| Hardness (HRB) | 75 - 83 | 65 - 75 | 40 - 50 |
| Softening Temp (°C) | 525 | 450 | 190 |
| Wear Resistance | Excellent | Good | Poor |
Insights into C18150 Specification and Application
Sichuan Kepai New Materials Co., Ltd. focuses on high-conductivity and high-strength free-cutting tellurium copper and other special copper alloys. With over 30 patent certificates and a dedicated team of industry experts, we provide high-end manufacturing needs with excellent performance.
Delivering high-performance copper solutions to over 1000 customers worldwide.
Kepai New Material
