Authored by Senior SEO Growth & Material Science Director at Kepai New Materials
In the evolving landscape of metallurgy, High-strength Beryllium Copper (BeCu) stands as the "Super Alloy" of non-ferrous metals. As a premier custom manufacturer, we understand that the demand for materials that combine extreme tensile strength with superior electrical conductivity has never been higher. This whitepaper explores the intricate balance of chemistry, thermal processing, and industrial application that defines the C17200 and C17300 series.
Established in 2017, Sichuan Kepai New Materials Co., Ltd. has disrupted the special copper alloy market through relentless R&D. Operating out of a 29,000 square meter facility, our expertise is backed by 30+ national patents. Our Experience (E) stems from serving over 1,000 global clients; our Expertise (E) is demonstrated by our proprietary oxygen-free tellurium copper production; our Authoritativeness (A) is recognized by ISO and IATF certifications; and our Trustworthiness (T) is built on a decade of zero-defect delivery for aerospace and medical sectors.
The global shift towards China for high-end copper manufacturing is driven by more than just cost. It is about Supply Chain Integration. At our Sichuan plant, we integrate the entire lifecycle: from vacuum induction melting (VIM) to precision extrusion and heat treatment. This localized concentration allows us to offer custom tempers (from Annealed to Hard) with shorter lead times than traditional Western suppliers. Furthermore, our access to rare-earth refining technologies enhances the purity of our BeCu alloys, ensuring they exceed the 1380 MPa tensile strength threshold required for critical failures.
The demand for ultra-small connectors in 5G infrastructure requires the high fatigue strength of C17200 to prevent signal loss in vibrating environments.
High-strength beryllium copper is becoming the standard for EV battery terminals due to its ability to withstand rapid thermal cycling without losing elasticity.
Future trends focus on "Closed-loop Manufacturing," where scrap BeCu is recycled under strict environmental controls to meet RoHS standards.
We provide cross-sector solutions that address structural engineering challenges. For the Subsea & Marine sector, our beryllium copper offers non-sparking properties and bio-fouling resistance, critical for offshore oil rigs. In the Medical Industry, the anti-microbial properties of our copper, combined with the strength required for surgical robotic arms, provides a dual-benefit solution. For the Aerospace sector, we solve the weight-to-strength ratio challenge, allowing for lighter airframes without compromising the integrity of landing gear bushings.
Procurement officers today don't just buy a product; they buy a risk-mitigation strategy. Kepai addresses this by providing Full Material Traceability. From the chemical composition report (Mill Test Certificate) to ultrasound testing for internal defects, we cater to the "Zero-Trust" procurement model favored by Fortune 500 companies in the EU and North America.
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.
Copper has bactericidal, anti-inflammatory, antioxidant effects for precision instruments.
Excellent electrical and thermal conductivity for system efficiency and performance.
Ideal for generators and data transmission parts in high-altitude environments.
Our company has established its own independent R&D team, equipped with a complete production system and mature production technology. This allows us to have deep knowledge in the production of high-conductive oxygen-free tellurium copper.
Our company has passed ISO9001:2015, ISO14001:2015 and OHSAS 45001:2018. We ensure green production to meet the needs of sustainable development for global enterprises.
Focusing on environmental protection through the use of environmentally friendly and free-cutting copper alloys to reduce industrial impact and promote green manufacturing.
C17200 contains approximately 2% beryllium and achieves the highest strength and hardness of any copper-based alloy after age hardening. Its ability to reach 200 ksi tensile strength makes it irreplaceable in heavy-duty spring and bushing applications.
We utilize vacuum induction melting and controlled atmosphere casting to keep oxygen levels below 10ppm. This prevents hydrogen embrittlement and ensures maximum conductivity and ductility during further fabrication.
Yes. By adjusting the precipitation hardening temperature and duration (ageing process), we can balance tensile strength vs. IACS conductivity. High-strength BeCu typically offers 15-30% IACS, while high-conductivity variants reach up to 60% IACS.
In its finished solid state, beryllium copper is perfectly safe. It is only during manufacturing (grinding/welding) that inhalation of dust must be controlled. Finished components are widely used in medical imaging and non-sparking food processing tools.
Kepai New Material
