Audited Supplier
CuSn07 Copper Alloy Wire contains approximately 0.7% tin, delivering an optimal balance between mechanical strength and electrical conductivity. With improved fatigue resistance and anti-corrosion performance, it is widely used in precision electronic components, terminals, springs, and automotive electrical systems.
Key Features
Excellent tensile strength and hardness
Good electrical conductivity (≥70% IACS)
Superior resistance to fatigue, oxidation, and corrosion
RoHS & REACH compliant, lead-free material
Well-suited for cold forming, stamping, and precision machining
Applications
Electrical connectors and terminals
Relay springs and switch components
Automotive wire harness systems
Wear-resistant electronic parts
Smart devices and consumer electronics
Quality Assurance
Material complies with customer-specified chemical and mechanical standards
In-house quality inspection with full batch traceability
ISO 9001 quality control system
Compliant with EU environmental directives (RoHS/REACH)
Packaging Options
Fine wire on plastic spools
Medium-to-large wire in coils or wooden reels
Moisture-proof film wrapping for export
Customized OEM packaging available
| Item | CuSn015 | CuSn03 | CuSn06 | CuSn07 | CuSn135 | CuSn4 |
| Tin Content (Sn%) | Approx. 0.15% | Approx. 0.3% | Approx. 0.6% | Approx. 0.7% | Approx. 1.35% | Approx. 4.0% |
| Standards | CW117C / C14415 | C14425 / C18835 | - | - | - | CW452K / C51900 |
| Wire Diameter | 0.05mm - 3.00mm | 0.05mm - 3.00mm | 0.05mm - 3.00mm | 0.05mm - 3.00mm | 0.05mm - 3.00mm | 0.10mm - 3.50mm |
| Conductivity | ≥ 80% IACS | ≥ 75% IACS | ≥ 70% IACS | ≥ 70% IACS | ≥ 65% IACS | ≥ 50% IACS |
| Tensile Strength | 300-500 MPa | 320-520 MPa | 350-550 MPa | 350-560 MPa | 380-580 MPa | 420-600 MPa |
| Hardness | 80-150 HV | 90-160 HV | 100-170 HV | 100-175 HV | 110-180 HV | 120-200 HV |
| Available Tempers | Annealed / 1/2H / Full H | Same as left | Same as left | Same as left | Same as left | Same as left |
| Surface Finish | Bright / Tin Coated | Bright / Tin Coated | Bright / Tin Coated | Bright / Tin Coated | Bright / Tin Coated | Bright / Tin Coated |
| Applications | Connectors, Springs | Terminals, Contacts | Electronic Components | Switch Pins, Clips | Automotive Connectors | High-Strength Contacts |
| Packaging | Spools, Coils, Custom | Same as left | Same as left | 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.
