Copper Alloy Wire CuMg07 – Ultra-High Strength Copper-Magnesium Wire (CW127C / C15500)

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Min Order 10 kg
Shipping From Jiangsu, China
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Mosstee (Changzhou) Technology Co., Ltd.

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Profile Certified by SGS/BV
CuMg07
Copper
Medium (Half-Hard)
Copper
Round
Electroplating
Annealed and Hard Drawn
ISO9001, RoHS, SGS, Reach
Electronics, Automotive, Industrial, Telecommunica
CuMg
MOSSTEE
Plastic Reel Packaging and Carton Vacuum Packaging
Customized
Jiangsu, China
761490000
Product Description
Product Description

CuMg07 Copper Alloy Wire, with a magnesium content of approximately 0.7%, is a high-performance copper alloy offering exceptional tensile strength and good electrical conductivity. Known as C15500 (ASTM) or CW127C (EN), it is ideal for demanding electrical applications involving mechanical stress, heat, and vibration.

 

Key Features

  • Electrical conductivity ≥ 70% IACS

  • Tensile strength up to 550 MPa

  • Excellent fatigue and creep resistance

  • Superior heat resistance and dimensional stability

  • RoHS and REACH compliant, lead-free

 

Applications

  • Automotive and EV electrical systems

  • High-temperature connectors and terminals

  • Signal transmission in rail and aerospace systems

  • Industrial control wiring

  • Power modules and coil windings

 

Quality Assurance

  • Meets CW127C / C15500 technical specifications

  • In-house testing for conductivity, mechanical strength, elongation

  • ISO 9001 certified production

  • RoHS / REACH environmental certifications

 

Packaging Options

  • Precision spools for fine wire

  • Wooden reels or coils for large quantities

  • Vacuum-sealed or moisture-proof packaging

  • OEM labeling and export packaging available

Detailed Photos

Product Parameters
ItemCuMg02CuMg04CuMg05CuMg07
Magnesium Content~0.2% Mg~0.4% Mg~0.5% Mg~0.7% Mg
StandardsC18661-C18665CW127C / C15500
Wire Diameter0.05mm - 3.00mm0.05mm - 3.00mm0.05mm - 3.00mm0.10mm - 3.50mm
Tensile Strength360-440 MPa400-480 MPa450-520 MPa480-550 MPa
Conductivity≥ 85% IACS≥ 80% IACS≥ 75% IACS≥ 70% IACS
Hardness90-120 HV100-130 HV110-140 HV120-150 HV
TemperAnnealed / HardAnnealed / HardAnnealed / HardAnnealed / Hard
Surface FinishBright / Tin-CoatedBright / Tin-CoatedBright / Tin-CoatedBright / Tin-Coated
Corrosion ResistanceGoodGoodExcellentExcellent
ApplicationsSignal Cables, ElectronicsConnectors, RelaysSpring Contacts, TerminalsAutomotive & Industrial Wiring
PackagingPlastic Spool / Coil / ReelSame as leftSame as leftSame as left
Certifications

Packaging & Shipping

Company Profile

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.
 

Our Advantages

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.
 

After Sales Service

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.

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