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Explore our flagship chromium zirconium copper alloy products, trusted by leading German manufacturers across automotive, energy, and precision engineering sectors.
C18150 Chromium-Zirconium Copper Alloy — For German Automotive & EV Applications
High Performance Lead Copper Bronze Material — Precision Machining for German Market
Competitive Material Beryllium Copper C17300 — Ideal for German Precision Electronics
Best C14500 Tellurium Copper Material — Widely Used in German Electrical Components
C18150, also known as Chromium Zirconium Copper (CrZrCu), is a high-performance precipitation-hardened copper alloy containing approximately 0.5–1.5% chromium and 0.03–0.15% zirconium. This alloy delivers an exceptional combination of high electrical conductivity (≥80% IACS), outstanding thermal conductivity, and superior mechanical strength — properties that are critically demanded in Germany's world-leading manufacturing industries. After solution annealing and aging treatment, C18150 achieves tensile strengths exceeding 450 MPa while retaining excellent conductivity, making it the preferred choice for resistance welding electrodes, high-power electrical contacts, injection mold components, and continuous casting molds. Its superior softening resistance at elevated temperatures (up to 500°C) further distinguishes it from standard copper alloys, enabling reliable performance in thermally demanding German industrial environments.
Cr: 0.5–1.5% | Zr: 0.03–0.15% | Cu: Balance. The precise alloying ensures maximum precipitation hardening response and stable microstructure under cyclic thermal stress — critical for German DIN standards compliance.
Electrical conductivity ≥80% IACS; thermal conductivity ~320 W/m·K. These values satisfy the rigorous requirements of German VDE standards for electrical engineering components and high-frequency applications.
Tensile strength ≥450 MPa; hardness 130–180 HV; elongation ≥10%. Outperforms standard copper in wear resistance and fatigue life — essential for Germany's precision tooling and heavy machinery sectors.
Germany is Europe's largest industrial economy and one of the world's top consumers of advanced copper alloys. The German market's demand for C18150 CrZrCu is driven by its world-class automotive, mechanical engineering, electronics, and renewable energy sectors. With strict quality standards (DIN EN, VDE, ISO) and a strong culture of engineering precision, German manufacturers require copper alloy suppliers who can deliver consistent quality, certified traceability, and technical support at the highest level.
Germany's automotive giants — including OEMs in Bayern and Baden-Württemberg — rely on C18150 for resistance welding electrodes in body assembly lines. With EV production accelerating (over 1.8 million EVs registered in Germany by 2024), demand for high-conductivity, thermally stable copper alloys in battery busbars, motor contacts, and charging connectors is surging dramatically.
Germany's Maschinenbau sector — the country's largest industrial segment — extensively uses C18150 in injection mold cores, die-casting inserts, and heat exchanger components. The alloy's combination of thermal conductivity and hardness reduces cycle times and extends tooling life, directly improving productivity for German Mittelstand manufacturers.
As Germany pursues its Energiewende (energy transition) with ambitious targets for wind, solar, and hydrogen, C18150 plays a pivotal role in high-power electrical contacts, busbar systems, and induction heating coils for renewable energy infrastructure — enabling efficient, durable, and low-maintenance energy systems across the country.
Germany's Industrie 4.0 and 5G rollout demand ultra-precise, high-frequency electronic components. C18150's low electrical resistance and excellent machinability make it ideal for RF connectors, microwave waveguides, and semiconductor processing equipment — supporting Germany's position as a leading technology manufacturing hub in Europe.
Germany's chemical industry (Chemiestandort Deutschland) — home to global leaders in Leverkusen, Frankfurt, and Ludwigshafen — uses C18150 in heat exchanger tubes, reaction vessel components, and electrode systems where corrosion resistance combined with thermal performance is non-negotiable.
Germany is a global leader in laser technology (e.g., TRUMPF, Jenoptik). C18150 CrZrCu is the preferred material for laser cutting nozzle bodies and plasma torch electrodes due to its ability to withstand extreme thermal cycling while maintaining dimensional stability — a direct requirement from German machine tool manufacturers.
Germany's industrial transformation is creating unprecedented opportunities for advanced copper alloy materials. Here are the key trends shaping the C18150 CrZrCu market in Germany:
Germany's commitment to electromobility — with targets of 15 million EVs by 2030 — is accelerating demand for high-performance copper alloys in battery manufacturing, motor windings, and fast-charging infrastructure.
Automated production lines and smart factories require materials with consistent, certified properties. C18150's predictable performance and traceability align perfectly with Germany's digital manufacturing standards.
Germany's National Hydrogen Strategy positions the country as a hydrogen leader. Electrolyzers and fuel cell components require thermally and electrically optimized copper alloys — a key growth area for C18150.
German manufacturers increasingly prioritize materials with long service life and recyclability. C18150's durability reduces replacement frequency, lowering total lifecycle costs and environmental footprint.
Post-pandemic, German industries are diversifying supply chains. Partnering with specialized manufacturers offering reliable global supply of certified C18150 materials has become a strategic priority.
Sichuan Kepai New Material Co., Ltd.
Sichuan Kepai New Materials Co., Ltd., established in 2017, is a high-tech enterprise integrating research and development, production, and sales. Currently, the factory covers an area of approximately 9,000 square meters, with an office space of about 1,000 square meters. The company primarily engages in the production of strategic emerging new materials for the national 13th Five-Year Plan, including special copper alloys such as tellurium copper, high-conductivity oxygen-free copper, silver copper, and dispersion copper, while also focusing on the research and development of high-conductivity, easy-to-machine, high-strength copper alloys.
The products are mainly applied in high-tech fields such as new energy vehicles, 5G technology, laser cutting, and lithium battery relays. With our advanced manufacturing capabilities and strict quality control, we are proud to serve the demanding requirements of the German industrial market, delivering C18150 CrZrCu materials that meet and exceed European standards.
The company is located in the western area of the Sichuan Guanghan Industrial Development Zone, adjacent to National Highway 108, boasting a superior geographical location and convenient transportation, which lays a solid foundation for the rapid development of the enterprise. Since its establishment, Kepai has adhered to the business philosophy of "innovation-driven development, quality wins the market," committed to providing customers with the highest quality high-end copper alloy materials, and promoting industrial upgrading and sustainable development. This philosophy resonates deeply with Germany's own commitment to Nachhaltigkeit (sustainability) and long-term industrial excellence.
Technological innovation is the core competitiveness of Sichuan Kepai New Materials Co., Ltd. The company has a research and development and production team composed of senior industry experts who keep pace with international cutting-edge technology trends and continuously explore the unknown boundaries in the field of new copper alloy materials. Through a combination of independent research and development and industry-university-research collaboration, Kepai has made breakthrough progress in several areas, including high-performance tellurium copper, lead copper, and sulfur copper. Many of its technological achievements have reached international advanced levels and have been successfully applied in various industries such as new energy vehicles, precision machining parts, plasma cutting, relays, and energy storage, earning widespread recognition and praise in the market.
Kepai's product line is rich and diverse, covering a comprehensive range of solutions from basic materials to high-end customization. We focus on providing customers with high-performance, high-quality high-end copper alloy products, including but not limited to pure copper, oxygen-free copper, oxygen-free high-conductivity tellurium copper, nickel tellurium copper, tin bronze, beryllium copper, lead bronze, sulfur copper, and chromium zirconium copper. These products play an important role in reducing production costs and enhancing product performance due to their excellent physical and chemical properties and environmental friendliness, creating significant economic and social benefits for customers.
In the face of global market competition, Sichuan Kepai New Materials adheres to the development strategy of "rooted in Sichuan, radiating nationwide, and moving towards the world." By continuously optimizing market layout and improving the sales network, we have established a stable customer base in multiple provinces and cities across the country and have formed long-term cooperative relationships with several internationally renowned enterprises. At the same time, the company actively expands into overseas markets, participates in international competition and cooperation, and strives to promote Kepai's brand influence on the global stage — including a strong focus on serving Germany and the broader European market.
We understand that the long-term development of an enterprise is inseparable from an excellent corporate culture. We advocate the corporate spirit of "integrity, innovation, collaboration, and win-win," encouraging employees to explore boldly and innovate courageously, while also emphasizing teamwork and talent cultivation, striving to create a harmonious, open, and inclusive work atmosphere. We believe that only by continuously pursuing excellence and creating value can we win the trust of customers and the respect of society.
From the Ruhr Valley's heavy industry to Munich's high-tech clusters, C18150 CrZrCu delivers unmatched performance across Germany's diverse industrial landscape.
Used extensively in automotive body shops for spot and projection welding. C18150's hardness and thermal conductivity ensure long electrode life and consistent weld quality in high-volume production.
Germany's steel and non-ferrous metal casting industry relies on C18150 mold liners for continuous casting operations, where the alloy's thermal fatigue resistance dramatically extends mold service life.
C18150 is specified for switchgear, circuit breakers, and high-current connectors in Germany's power distribution infrastructure, meeting stringent VDE and IEC standards for electrical safety and performance.
Bavaria's world-renowned toolmaking industry uses C18150 for mold cores and inserts in plastic injection molding, where its thermal conductivity reduces cycle times by up to 30% compared to steel tooling.
Germany's offshore and onshore wind farms along the North Sea coast require robust electrical connection components. C18150 provides the conductivity and corrosion resistance needed for reliable long-term operation.
Germany's rapidly expanding EV charging network (targeting 1 million charging points) requires high-current connectors and busbar components made from C18150 to handle fast-charging loads efficiently and safely.
Our certifications and quality management systems ensure full compliance with international and European standards, providing German customers with complete confidence in every shipment.
State-of-the-art manufacturing and testing equipment ensures every batch of C18150 CrZrCu material meets the exacting standards required by our German industrial partners.
Smelting
Laying-off
Extrusion
Drawing
Straightening
Package
Eddy Current Conductance Instrument
Chemical Composition Test Room
Metallographic Sample Polishing Machine
Microcomputer Controlled Electro-hydraulic Servo Universal Testing Machine
Liquid Crystal Display Electronic Universal Testing Machine
Hardness Tester
Discover our complete range of advanced copper alloy materials — each engineered to meet the demanding specifications of German and European industrial applications.
C18150 Chromium-Zirconium Copper Alloy — Germany Welding & Tooling
High Performance Lead Copper Bronze — German Precision Machining
Beryllium Copper C17300 — German Electronics & Connector Industry
Best C14500 Tellurium Copper — German Electrical & Automation Sector
C17500 Beryllium Cobalt Copper — Germany High-Strength Spring Applications
Excellent Beryllium Copper Alloy — Germany Aerospace & Defense Components
C14700 Sulfur Copper — Boosting German CNC Machining Efficiency
UNS C51900 Copper Alloy — Germany Bearing & Bushing Applications
Looking ahead, Sichuan Kepai New Materials Co., Ltd. will continue to uphold its original intention, with even greater enthusiasm and determination, to engage in research and application in the field of new materials, contributing to the development of the new copper alloy materials industry in China and globally. We are committed to being your most reliable C18150 CrZrCu material supplier for the German market — delivering certified quality, technical expertise, and responsive service. We look forward to working hand in hand with friends from all walks of life to create a brilliant future together!
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