Explore our custom-engineered high-purity copper products and proprietary specialty formulations optimized for heavy industries.
In the modern precision engineering era, the demand for highly specialized copper plates has evolved from standard raw materials to strategic performance components.
| Alloy Grade | UNS Designation | Electrical Conductivity (% IACS) | Machinability Index | Primary Industrial Application |
|---|---|---|---|---|
| Tellurium Copper | C14500 | 93% - 98% | 85% (Excellent) | Laser nozzle tips, high-voltage battery connectors, plasma electrodes |
| Oxygen-Free Copper | C10100 / C10200 | ≥ 101% | 20% (Challenging) | Superconductor matrices, high-vacuum electronics, semiconductor packaging |
| Beryllium Copper | C17300 / C17500 | 20% - 60% | 50% (Moderate) | Spring contacts, non-sparking safety tools, aerospace connector pins |
| Chromium Zirconium | C18150 | 80% - 85% | 40% (Moderate) | Resistance welding electrodes, power relay terminals, projection nozzles |
| Stamping Brass | C26000 | 28% | 30% (Standard) | Deep-drawn radiator parts, electronic shielding, shell casings |
Evaluating the macroeconomic shifts, sustainability mandates, and supply vulnerabilities shaping the global copper market.
The rapid growth of the electric vehicle (EV) sector has changed procurement dynamics. EV battery relays, high-voltage distribution blocks, and charging stations require high-efficiency connectors. Tellurium Copper (C14500) and high-density pure copper plates are critical for managing the high thermal loads of fast-charging systems.
High-frequency telecom installations demand low insertion loss, high electromagnetic shielding (EMI), and excellent structural reliability. Precision-stamped brass alloys and oxygen-free copper plates are key materials for transceiver units, shielding cans, and backplane busbars.
In high-power laser and plasma cutting systems, consumable nozzles operate under intense heat. Tellurium copper is standard for these components due to its blend of electrical conductivity and high machinability, which helps extend consumable life and reduce downtime.
Discover how Sichuan Kepai integrates advanced production technology, strict quality control, and strategic logistics to secure global supplies.
We go beyond standardized sizes. We customize alloys to meet client specifications for electrical conductivity, tensile strength, hardness, and machinability. Whether you need thick-gauge busbars or micro-machined contacts, our engineering team works directly with clients to refine material properties.
Our facility is equipped with specialized testing instrumentation. Every production lot undergoes non-destructive eddy current testing, chemical analysis, metallographic inspection, and mechanical load profiling, ensuring full traceability from raw cathode to finished plate.
Sichuan Kepai focuses on sustainable manufacturing. By optimizing induction furnace heating, improving scrap recycling loops, and utilizing advanced filtration systems, we reduce energy consumption per ton of copper alloy produced while maintaining high material purity.
Our factory combines advanced metallurgy, mechanical shaping, and precise material characterization to deliver reliable industrial products.
From North American EV gigafactories to precision micro-machining centers in Europe and East Asia, Kepai alloys support global industry requirements.
Electric vehicles utilize high-voltage lithium battery packs that require rapid, safe circuit connection and disconnection. Contact pins made from our tellurium copper (C14500) provide high electrical conductivity, helping to prevent high contact resistance and thermal issues during operation.
Industrial CNC plasma and optical fiber laser cutters operate at extremely high power densities. Nozzles and contact tips must withstand thermal stress and resist adhesion from molten metal splatters. Kepai's C18150 and C14500 alloys provide the thermal fatigue resistance required for these applications.
Aerospace electronics require lightweight, corrosion-resistant, and high-strength electrical connections. Our C17300 beryllium-copper plates are used to stamp structural contacts that maintain elastic tension and signal continuity under vibration and thermal cycles.
Our international certifications reflect our commitment to consistent production processes and standard compliance.
Get expert answers to common technical queries about raw copper selection, mechanical tolerances, and alloy applications.
Partner with Sichuan Kepai New Material Co., Ltd. to optimize your component manufacturing with high-purity raw materials and custom alloys.
Discover our range of industrial copper alloys and specialty brass materials engineered for demanding manufacturing processes.
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