Premium conductive materials manufactured under vacuum oxidation control, optimized for precision mining plasma cutting equipment, severe electrical arcs, and CNC machining.
An authoritative whitepaper report on high-performance copper alloy supply chains, local industrial applications, and Chinese metallurgical efficiency for Orkhon Province.
Erdenet, the capital of Orkhon Province, stands as one of Northern Asia’s premier industrial powerhouses, dominated by the colossal Erdenet Mining Corporation (EMC)—one of the largest copper and molybdenum mining and ore dressing complexes in the world. Operating continuous open-pit mining, flotation concentrators, and heavy maintenance workshops requires components that withstand immense mechanical stress, sub-zero continental temperature swings, and intense electrical discharge.
Traditional pure copper (such as C11000 ETP) presents extreme machinability challenges when producing complex plasma cutting tips, high-voltage switchgear contacts, and welding torch consumables needed by Erdenet’s maintenance facilities. Pure copper tends to stick to cutting tools, causing burrs, high tool wear, and poor surface finish. Conversely, standard leaded brass lacks the thermal and electrical conductivity required for heavy industrial power transmission. C14500 Tellurium Copper (CuTe) bridges this technological gap by incorporating 0.4%–0.7% Tellurium, producing microscopic copper telluride (Cu2Te) inclusions that act as natural chip breakers without degrading electrical or thermal conductivity.
Tellurium Copper yields an 85% machinability rating (compared to 20% for pure copper), reducing CNC cycle times by up to 50% in local tool workshops while preserving an electrical conductivity of ≥85% IACS and thermal conductivity of ~355 W/m·K.
Globally, environmental regulations such as EU RoHS and REACH are driving rapid phase-outs of lead-bearing copper alloys (such as C36000 leaded brass or C54400 leaded bronze) in electrical and thermal management components. C14500 Tellurium Copper is globally recognized as the ideal eco-friendly alternative for high-machinability, high-conductivity requirements.
As China’s leading high-tech copper alloy innovator, Sichuan Kepai New Materials Co., Ltd. provides Erdenet industrial clients with direct-factory cost structures, precision vacuum melting techniques, and rapid cross-border railway/trucking logistics via the Erenhot-Zamiin-Uud border corridor into Ulaanbaatar and Erdenet.
| Property Parameter | Standard C14500 (UNS C14500) | Kepai OFT (Oxygen-Free Tellurium Copper) | Standard Pure Copper (C11000) |
|---|---|---|---|
| Chemical Composition | Cu: Bal., Te: 0.40 - 0.70%, P: 0.004 - 0.012% | Cu: Bal., Te: 0.40 - 0.70%, O2 < 10 ppm | Cu: 99.90% Min |
| Electrical Conductivity (% IACS) | 85% - 93% | 93% - 98% | 100% |
| Machinability Rating | 85 (Free Cutting Brass = 100) | 85 - 90 | 20 (Gummy, high tool wear) |
| Tensile Strength (MPa) | 250 - 380 MPa | 280 - 420 MPa | 200 - 300 MPa |
| Thermal Conductivity (W/m·K) | ~355 W/m·K | ~370 W/m·K | 388 W/m·K |
| Arc Erosion Resistance | High | Very High | Moderate |
Established in May 2017, Sichuan Kepai New Materials Co., Ltd. is a high-tech enterprise specializing in R&D, production, and sales of high-conductivity, high-strength free-cutting tellurium copper and other advanced copper matrix alloys for global markets including Erdenet.
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How C14500 Tellurium Copper drives efficiency, reduces downtime, and enhances component operational lifespan across Erdenet's key industrial sectors.
Erdenet’s heavy machinery maintenance divisions rely heavily on automated high-definition plasma cutting systems to repair excavation buckets, crushers, and haul truck bodies. Tellurium copper is the premier material for plasma cutting nozzles and electrode holders, offering high thermal dissipation to resist thermal deformation under extreme thermal arcs.
Powering massive flotation mills requires stable high-voltage power transmission. Kepai C14500 Tellurium copper switch contacts, breaker tips, and busbar connectors prevent contact welding during high-amperage switching, operating reliably in sub-zero winter temperatures down to -40°C in Orkhon Province.
Local workshops in Erdenet benefit from Tellurium Copper's short chip formation, allowing high-speed automatic lathe turnings without tool clogging. Ideal for producing customized electrical plugs, threaded connectors, and hydraulic valve components for heavy mining vehicles.
Superior conductivity makes tellurium copper essential for high-voltage charging plugs, battery disconnect units, and EV power electronics deployed across modern mining transport fleets.
High-temperature softening resistance renders Kepai tellurium copper ideal for generator slip rings, signal connectors, and high-frequency data transmission equipment.
Excellent resistance to bio-fouling and chemical corrosion ensures robust performance in liquid-cooled mining heat exchangers and chemical processing lines.
State-of-the-art manufacturing quality backed by rigorous ISO standards and eco-conscious production methodologies.
Oxygen-free and highly conductive tellurium copper alloy developed with independent intellectual property rights, engineered to meet high-end global manufacturing demands.
Fully compliant with ISO9001:2015, ISO14001:2015, and OHSAS 45001:2018 certifications, ensuring uncompromising quality control, environmental stewardship, and safety.
Utilizing clean melting processes and recyclable alloy formulations to lower environmental footprint while complying with EU RoHS and REACH green standards.
Explore our full line of Tellurium Copper, Beryllium Copper, Phosphor Bronze, and Free-Cutting Alloys tailored for export to Erdenet.
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Retaining original specifications and product references optimized for high-performance industrial supply chains.
Looking for reliable C14500 Tellurium copper rod, bar, or finished CNC machined parts delivered directly to Erdenet or Orkhon Province? Speak directly with our metallurgical sales engineers today.
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