Audited Supplier
CuMg05 Copper Alloy Wire, containing approximately 0.5% magnesium, provides superior mechanical strength and stable conductivity. Recognized under the C18665 standard, it is widely used in high-reliability electrical systems, especially where durability under thermal and mechanical stress is required.
Key Features
Electrical conductivity ≥ 75% IACS
High tensile strength and hardness
Excellent resistance to fatigue, oxidation, and creep
RoHS and REACH compliant
Excellent workability for forming and soldering
Applications
Automotive and railway connectors
High-performance electrical terminals
Signal and control wiring systems
Industrial equipment wiring
Coils, relays, and electronic contact parts
Quality Assurance
Conforms to ASTM C18665
Full mechanical and electrical testing per batch
ISO 9001 certified manufacturing
RoHS / REACH environmental compliance
Packaging Options
Plastic spool for precision wire
Wooden reel or coil for industrial lengths
Moisture-proof and export-safe wrapping
Custom packaging available upon request
| Item | CuMg02 | CuMg04 | CuMg05 | CuMg07 |
| Magnesium Content | ~0.2% Mg | ~0.4% Mg | ~0.5% Mg | ~0.7% Mg |
| Standards | C18661 | - | C18665 | CW127C / C15500 |
| Wire Diameter | 0.05mm - 3.00mm | 0.05mm - 3.00mm | 0.05mm - 3.00mm | 0.10mm - 3.50mm |
| Tensile Strength | 360-440 MPa | 400-480 MPa | 450-520 MPa | 480-550 MPa |
| Conductivity | ≥ 85% IACS | ≥ 80% IACS | ≥ 75% IACS | ≥ 70% IACS |
| Hardness | 90-120 HV | 100-130 HV | 110-140 HV | 120-150 HV |
| Temper | Annealed / Hard | Annealed / Hard | Annealed / Hard | Annealed / Hard |
| Surface Finish | Bright / Tin-Coated | Bright / Tin-Coated | Bright / Tin-Coated | Bright / Tin-Coated |
| Corrosion Resistance | Good | Good | Excellent | Excellent |
| Applications | Signal Cables, Electronics | Connectors, Relays | Spring Contacts, Terminals | Automotive & Industrial Wiring |
| Packaging | Plastic Spool / Coil / Reel | Same as left | Same as left | Same as left |
Mosstee specializes in high-performance conductor materials, including silver-plated copper wire, nickel-plated copper wire, copper-clad aluminum, copper-clad steel, and aluminum alloy cables, widely used in power, telecommunications, automotive, and new energy industries.
1. Three Decades of Specialized Expertise
As a pure-play wire & cable manufacturer since 1990, we deliver precisely engineered solutions for industrial, energy, and infrastructure applications.
2. Certified Quality Assurance
All products meet UL, CE, and RoHS standards, with ISO 9001-certified manufacturing ensuring 99.97% defect-free delivery across 50+ countries.
3. Eco-Conscious Production
REACH-compliant materials reduce carbon footprint by 30% vs industry average, with 85% recyclable product designs.
Service Excellence
1. 24/7 Technical Support
Dedicated engineers on-call for urgent troubleshooting, with <3hr response time for critical infrastructure projects.
2. Customization from Blueprint to Delivery
• Prototype development in 10-14 days
• Minimum Order Quantity (MOQ) as low as 50 kgs
• OEM/ODM compliant with NEC, IEC & EN standards
3. Transparent Project Management
Assigned account managers provide weekly progress reports with:
- Test report
- Production line videos
- Customs clearance updates
4. Risk-Free Trial
Test samples in your application for 90 days - we cover return shipping if unsatisfied.
