Explore our premium-grade copper, steel, and aluminum structural products engineered for extreme operational environments.
Unlocking unprecedented electrical, thermal, and mechanical thresholds for 21st-century power distribution and advanced electronics.
By integrating pristine single-layer graphene nanosheets into ultra-pure oxygen-free copper matrices, the hybrid wire overcomes standard electron scattering barriers, achieving conductivities exceeding traditional copper standards.
Graphene’s extraordinary thermal conductivity (up to 5,000 W/m·K) dissipates Joule heating swiftly across high-density electrical networks, mitigating hot spots and dramatically reducing energy waste in transmission lines.
Micro-dispersion of graphene impedes dislocation movement within the copper crystalline lattice, boosting tensile strength by up to 35% without sacrificing ductile drawability during precision fine-wire processing.
Copper has historically served as the benchmark for industrial power conductors. However, modern electrical engineering demands have reached a structural threshold where conventional C10100 Oxygen-Free Electronic (OFE) copper struggles with thermal throttling, skin-effect losses at higher frequencies, and mass limitations. Copper Wire Infused With Graphene represents a quantum leap in composite metallurgy.
Through advanced In-Situ Chemical Vapor Deposition (CVD) and Powder Metallurgy Synthesis (PMS), sub-micron graphene flakes are uniformly interfaced with pure copper atoms. This creates a low-resistance interface where graphene’s π-electron clouds overlap with copper’s d-orbitals. The resulting material exhibits reduced grain boundary scattering, lowered thermal expansion coefficients, and unprecedented current carrying capacity (Ampacity).
| Performance Metric | Standard ETP Copper (C11000) | Oxygen-Free Copper (C10100) | Graphene-Infused Copper (Gr/Cu Wire) | Industrial Advantage |
|---|---|---|---|---|
| Electrical Conductivity (% IACS) | 100.0% - 101.5% | 101.5% - 102.5% | 106.0% - 112.0% | +6% to 10% efficiency gain in long-range transmission |
| Thermal Conductivity (W/m·K) | 385 - 390 | 390 - 400 | 460 - 520 | Rapid heat dissipation in high-density EV drive coils |
| Tensile Strength (MPa) | 220 - 250 (Annealed) | 230 - 260 (Annealed) | 320 - 390 | Prevents wire snapping during high-speed winding |
| Thermal Stability Temperature (°C) | Up to 150°C | Up to 180°C | Up to 320°C | Resists thermal softening in continuous duty cycles |
| Temperature Coefficient of Resistance | 0.00393 /°C | 0.00390 /°C | 0.00310 /°C | Lower resistance creep at elevated operating temperatures |
How global decarbonization goals, AI computing infrastructures, and electrified mobility are accelerating demand for next-generation conductive wire alloys.
Next-generation 800V and 1000V EV architectures require stator windings, battery busbars, and megawatt charging cables capable of handling massive current density. Graphene-infused copper wire reduces coil volume by 15% while reducing copper loss (I²R losses), extending vehicle range and cutting thermal management weight.
Modern graphics processing units (GPUs) and AI clusters demand thousands of amperes at low voltage. Graphene-copper conductors reduce voltage drops across rack power distribution units (PDUs) and high-frequency planar transformers, saving power consumption at multi-gigawatt scale.
Weight reduction is paramount in aerospace. By substituting standard copper harness wire with high-ampacity graphene-copper alloy wire, flight systems achieve up to 20% total harness weight reduction without compromising electrical redundancy or electromagnetic shielding performance.
Solar photovoltaic inverters and offshore wind turbine generators experience intense thermal cycling. Gr/Cu wires withstand mechanical vibration and elevated thermal shock, providing long term operational longevity in harsh offshore and desert micro-grids.
Combining 27 years of heavy industrial manufacturing with modern nanoscale metallurgical innovation.
Shandong Tezhong Materials Co., Ltd. is a supply chain industry giant integrating carbon steel, coated steel, stainless steel, and advanced micro-alloy conductive products. Established in 1997, our enterprise features a registered capital of 100 million RMB, an expansive footprint covering over 15,000 square meters, and total corporate assets reaching 1.2 billion RMB.
Our infrastructure encompasses complete, fully integrated metallurgical operations—including coking, sintering, steelmaking, continuous casting, precision steel and copper rolling, backed by dedicated energy generation plants. With an annual aggregate production capacity of 1,500,000 metric tons, we deliver unmatched economies of scale, strict cost control, and rapid order execution for global buyers.
To support global supply chains and guarantee zero-downtime logistics, Shandong Tezhong operates four large-scale warehousing and distribution hubs in premier industrial locations across China:
Our Enterprise Technology Center ranks second among 575 national enterprise tech centers in China, holding top domestic market share across 21 structural and conductive metal product categories. As one of the earliest pioneers to obtain ISO9001 Quality System Certification, our technical monitoring protocol ensures every metric ton of metal conforms to strict international standards (ASTM, IEC, EN, GB).
Possess rich experience and deep expertise in the steel & non-ferrous industry to provide strategic guidance for technological development.
Including metallurgical engineers, mechanical engineers, and electrical engineers responsible for production stability and process optimization.
Focus on the continuous synthesis of new alloy micro-structures to meet evolving ultra-high conductive market demands.
Enforce strict end-to-end quality monitoring, from raw metal melt inspection to final batch eddy-current testing.
Tailored engineering specifications designed for critical high-performance electrical infrastructure.
Diameter Range: 0.015mm - 0.25mm
Primary Use: Micro-motors, medical devices, high-frequency signal inductors, smart devices, and precision aviation sensors.
Advantage: Exceptional flexibility, zero micro-cracking during fast spooling, high signal fidelity.
Diameter Range: 0.30mm - 3.50mm
Primary Use: EV traction motor stators, wind turbine generators, high-voltage transformers, high-speed rail motors.
Advantage: Operates continuously at high thermal loads without insulation breakdown or electrical resistance spikes.
Cross-Section: 0.5 mm² - 600 mm²
Primary Use: Subsea energy links, supercharging pile cables, AI server power busbars, aerospace wiring trunks.
Advantage: 20% weight reduction compared to standard copper stranded cables, significantly lower installation bend radii.
Streamlined ordering parameters, international compliance, and custom manufacturing options for B2B buyers.
When sourcing Wholesale Copper Wire Infused With Graphene from Shandong Tezhong Materials Co., Ltd., global procurement engineering teams can specify exact parameters tailored to their operational requirements:
Standard grades range from 0.1 wt% to 1.5 wt% graphene addition depending on whether maximum ductility, extreme conductivity, or maximum tensile strength is prioritized.
Available in Full Soft Annealed (O60), Half Hard (H02), and Full Hard (H04) tempers to match precise bending and tensile requirements during automated winding.
Options include bare conductive wire, enamel insulation (Polyurethane, Polyesterimide, Polyimide for up to 240°C thermal classes), tinning, or silver plating.
Supplied on DIN standard plastic spools (DIN 125, DIN 200, DIN 630), wooden reels, or vacuum-sealed anti-oxidation metal drums.
In-depth technical answers addressing common procurement, manufacturing, and performance inquiries.
Graphene-Infused Copper (Gr/Cu) wire is a nanostructured composite material where microscopic graphene sheets are homogeneously dispersed inside an ultra-pure copper crystalline lattice. Unlike standard ETP copper wire, Gr/Cu offers significantly higher electrical conductivity (up to 108%-112% IACS), superior thermal dissipation (up to 500 W/m·K), increased tensile strength, and lower thermal expansion, enabling higher efficiency and reduced heat build-up in high-load applications.
Yes. Graphene-infused copper retains the excellent solderability, crimping, and welding characteristics of traditional pure copper. Standard soldering alloys, ultrasonic wire bonding, and automated terminal crimping machines work seamlessly without requiring specialized tooling or altered temperature profiles.
Shandong Tezhong Materials Co., Ltd. combines 27 years of metallurgical manufacturing history with top-tier technological capabilities (ranked 2nd among 575 national enterprise technology centers). Featuring an asset base of 1.2 billion RMB, an annual production capacity of 1.5 million tons, ISO9001 certified quality control, and 4 major logistics outlets across Tianjin, Wuxi, Binzhou, and Liaocheng, we ensure factory-direct pricing, guaranteed batch consistency, and reliable international delivery.
Because graphene increases ampacity (current-carrying capacity per unit area), electrical engineers can reduce the conductor wire gauge size required for a given current rating. In electric motor stators and transformers, this leads to a volume reduction of 10% to 18% and a total weight savings of up to 15-20% without increasing temperature rise.
Every batch of wire undergoes strict Quality Control inspection including Eddy Current Testing, Tensile & Elongation Testing, %IACS Conductivity Meter Verification, and High-Voltage Breakdown Testing (for enamelled wire). Shipments are dispatched with comprehensive Mill Test Certificates (MTC) conforming to EN 10204 3.1 and ISO9001 quality guidelines.
Explore our extended catalog of structural carbon steel, aluminum alloys, and galvanized industrial products available for global export.
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