Established in May 2017, Sichuan Kepai New Materials Co., Ltd. has emerged as a high-tech titan in the metallurgical industry. Specializing in R&D, production, and global distribution, we focus on high-conductivity, high-strength free-cutting tellurium copper and advanced C18150 Chromium Zirconium Copper alloys.
Our commitment to the E-E-A-T principle (Experience, Expertise, Authoritativeness, and Trustworthiness) is reflected in our 29,000 sqm state-of-the-art facility and our 30+ patented technologies. We don't just supply metal; we provide technical solutions that optimize machinability and extend tool life for the world's most demanding applications.
Founded with Innovation
Sqm Production Base
Global Customers Served
International Patents
Why "Kepai Quality" outperforms standard market Chromium Zirconium Copper
Standard C18150 often suffers from uneven chromium distribution, leading to "sticky" machining. Kepai utilizes a proprietary vacuum induction melting process that ensures ultra-fine grain structure, resulting in 20% faster CNC processing speeds and cleaner chip breakage.
By controlling the precipitation hardening process, we achieve a uniform hardness of 75-85 HRB. This consistency prevents tool chatter and reduces wear on expensive carbide inserts, providing significant ROI for high-volume automated manufacturing.
Most factories sacrifice conductivity for machinability. Kepai’s C18150 maintains ≥80% IACS conductivity while exceeding 500 MPa tensile strength, meeting RWMA Class 2 standards for aerospace and EV welding applications.
Our C18150 is the gold standard for EV battery pack connectors and resistance welding electrodes. Its superior thermal stability prevents softening during high-cycle automated welding processes.
High-strength copper alloys from Kepai are used in generators and data transmission components where lightweighting and extreme conductivity are non-negotiable.
Leveraging copper's natural antimicrobial properties, we provide high-purity alloys for surgical instruments and MRI cooling systems that require precision machining.
From raw material smelting to final precision machining, Kepai controls the entire value chain. This mitigates global supply chain risks and ensures 100% traceability for every batch of C18150.
Our facility is equipped with real-time spectral analysis and ultrasonic flaw detection. Every shipment is accompanied by a comprehensive Mill Test Certificate (MTC) compliant with EN 10204 3.1.
We implement green manufacturing processes to reduce the carbon footprint of our copper production, helping global partners meet their ESG (Environmental, Social, and Governance) targets.
As a leading C18150 factory, Kepai is currently pioneering the next generation of "Ultra-Conductive Hard Alloys." Our R&D roadmap focuses on three pillars:
Full compliance with ISO 9001, ISO 14001, and IATF 16949 for automotive supply chains.
Strategically located to serve Europe, North America, and SE Asia with rapid lead times.
Expertise in REACH, RoHS, and Conflict Minerals reporting for seamless import compliance.
On-site engineering consultation to optimize your machining parameters and alloy selection.
Partner with China's leading C18150 machinability experts. Contact us for technical data sheets, quotes, or custom alloy development.