| Customization: | Available |
|---|---|
| Color: | Copper |
| Strength Grade: | Medium (Half-Hard) |
|
Still deciding? Get samples of $ !
Order Sample
|
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
CuSn4 Copper Alloy Wire contains approximately 4% tin, offering significantly enhanced mechanical strength and wear resistance while maintaining acceptable electrical conductivity. It is widely used in demanding electrical and mechanical applications where high strength, fatigue resistance, and formability are essential.
High mechanical strength and hardness
Moderate electrical conductivity (≥50% IACS)
Excellent wear, fatigue, and corrosion resistance
Lead-free, RoHS-compliant
Suitable for cold forming, stamping, and high-load components
Electrical and automotive terminals
Relay and switch components
Spring contacts and connectors
Mechanical wear parts
Industrial instrumentation and devices
Conforms to CW452K / C51900 / C52100 / ASTM & EN standards
100% mechanical and conductivity testing before delivery
ISO 9001 quality system
RoHS and REACH certified
Spools for fine wire
Coils or wooden reels for large sizes
Moisture-proof and export-safe packaging
Customizable labels and OEM options
| 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.
){kind=link}