| Customization: | Available |
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| Color: | Copper |
| Strength Grade: | Medium (Half-Hard) |
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Our CuSn015 Copper Alloy Wire, also known as Tin Bronze Wire, offers an excellent balance of conductivity, mechanical strength, and formability. With a tin content of approximately 0.15%, this alloy is widely used in precision electronics and connector industries due to its consistent performance and excellent solderability.
Key Features
Excellent electrical conductivity and ductility
High dimensional precision and stable mechanical properties
Lead-free and RoHS-compliant
Good surface finish, suitable for plating or direct applications
Electrical connectors and terminals
Precision springs and contact pins
Automotive electrical components
Consumer electronics and wearable devices
Complies with CW117C / C14415 standards
In-house testing for mechanical strength, conductivity, and composition
RoHS and REACH compliant
Full traceability with batch certifications
Plastic or wooden spools for fine wire
Coils or rolls with moisture-proof wrapping
Customized packaging available for OEM/ODM orders
| 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:
4. Risk-Free Trial
Test samples in your application for 90 days - we cover return shipping if unsatisfied.
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