Engineered for high performance and extreme industrial conditions.
Understanding the vital role of Chromium Zirconium Copper in modern metallurgy.
The global demand for C18150 Chromium Zirconium Copper has surged by 15% annually, driven by the rapid expansion of electric vehicle (EV) manufacturing and high-speed rail networks. As industries move toward sustainable energy, the need for materials that can withstand high temperatures without losing conductivity is critical.
Unlike standard copper, C18150 is a precipitation-hardened alloy. It offers a unique synergy of high electrical conductivity (minimum 80% IACS) and high mechanical strength at elevated temperatures (up to 500°C), making it the gold standard for resistance welding electrodes and heat sinks.
C18150 is indispensable in the aerospace and automotive sectors. Its ability to resist softening during welding and its excellent thermal management properties ensure that precision components maintain dimensional stability under extreme stress.
In the competitive landscape of copper alloy manufacturing, Sichuan Kepai New Materials Co., Ltd. stands as a beacon of efficiency and innovation. Our facility, established in 2017, integrates the entire supply chain from R&D to final extrusion.
Providing the data increment required for engineering precision.
| Property | Standard Value (C18150) | Advantage |
|---|---|---|
| Chromium (Cr) Content | 0.5% - 1.5% | Enhances hardness and heat resistance. |
| Zirconium (Zr) Content | 0.02% - 0.2% | Improves creep resistance at high temperatures. |
| Electrical Conductivity | ≥ 80% IACS | Superior energy efficiency in welding. |
| Tensile Strength | 450 - 550 MPa | Maintains structural integrity under load. |
| Softening Temperature | 500°C | Significantly higher than pure copper or C18200. |
Where Chromium Zirconium Copper transforms industry.
In China and Europe, C18150 is the primary choice for EV charging gun contacts and battery busbars, where high current throughput meets heat dissipation needs.
Utilized in rocket engine nozzles and combustion chamber liners, our C18150 provides the thermal conductivity needed to manage extreme heat cycles.
The cornerstone of automated car body assembly lines. C18150 electrodes last longer, reducing downtime for cleaning and replacement in high-speed factories.
Key trends shaping the next decade of metallurgical science.
The industry is shifting toward "Oxygen-Free" (OF) variants of C18150. By reducing oxygen to <10ppm, the alloy achieves even higher conductivity and better vacuum performance for semiconductors.
CrZrCu powders are being developed for metal 3D printing, allowing for the creation of complex cooling channels in plastic molds and aerospace parts that were previously impossible to cast.
Global procurement standards now require ESG compliance. Our factory uses recycled high-purity copper and closed-loop water systems to meet international sustainability goals.
As electronic components shrink, the strength requirements for conductive clips and connectors increase. C18150 is replacing traditional alloys in high-frequency 5G infrastructure.
In addition to a high share of the domestic copper alloy market, Kepai has exported to overseas clients with a high reputation. Our products are widely used in welding and cutting, connector industries, electrical switches, and complex precision components.
Established in May 2017, Sichuan Kepai New Materials Co., Ltd. is a high-tech private company specializing in R&D, production, and sales of high conductivity and high strength free cutting tellurium copper and other special copper alloys.
Addressing the critical questions for B2B procurement managers.
While both are CrCu alloys, C18150 adds Zirconium (Zr), which provides much higher resistance to deformation at extreme temperatures and significantly better softening resistance during welding cycles.
We use vacuum induction melting and automated extrusion controls. Each batch undergoes spectroscopic analysis and eddy current testing to ensure compliance with ASTM B929 and RWMA Class 2 standards.
Yes. Through controlled solution treatment and aging (precipitation hardening), we can adjust the hardness and conductivity balance to meet specific OEM requirements for aerospace or automotive applications.
We offer FOB, CIF, and DDP terms for global ports. Our proximity to major shipping hubs in China allows us to offer competitive freight costs to Europe, North America, and Southeast Asia.
Yes, we comply with IATF 16949 standards, which is a prerequisite for supplying high-performance copper components to the global automotive supply chain.
Our engineering team can assist you in selecting the right alloy for your specific conductive or thermal requirements. Contact us for technical support.
Our company has established its own independent R&D team, equipped with a complete production system and mature technology for special copper alloys.
Beyond traditional alloys, we developed a new type of highly conductive oxygen-free tellurium copper with lower oxygen content and higher stability.
We participate in the formulation of relevant industry standards, enhancing market influence and ensuring our products lead in quality.
Explore our full range of high-performance conductive materials.