Custom 55 Soft Bare Copper Stranded Wire

Advanced Conductivity Solutions for Global Industrial Infrastructure, Electric Vehicles, and High-Precision Engineering

The Definitive Guide to 55. Soft Bare Copper Stranded Wire: Engineering, Applications & Global Sourcing

In the evolving landscape of global electrical engineering, the demand for 55. Soft Bare Copper Stranded Wire has surged. This specific configuration, characterized by its extreme flexibility and high conductivity, represents the pinnacle of electrolytic copper processing. At Zhejiang Xingma Copper Industry Co., Ltd., we recognize that wire is not just a commodity; it is the nervous system of modern infrastructure.

1. Technical Specification: Understanding the "55" Metric and Tempering

The "55" designation in soft bare copper stranded wire typically refers to the refined stranding ratio or gauge specifications that balance tensile strength with maximum bend cycles. Utilizing T1/T2 grade electrolytic copper with a purity exceeding 99.9%, our manufacturing process involves specialized vacuum annealing. This removes internal stresses within the copper’s crystalline structure, resulting in a "soft" temper that ensures the wire can withstand continuous vibration and repeated flexing without work-hardening or fracture.

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Ultra-High Purity

We utilize oxygen-free copper rods to ensure conductivity ratings of ≥100% IACS, minimizing energy loss in high-current applications.

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Precision Stranding

Our Fuchuan beam machines and pipe twisting equipment ensure perfectly concentric stranding, preventing "bird-caging" during installation.

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Corrosion Resistance

Through advanced surface treatment and optional tinning, we provide solutions that resist oxidation in humid or high-salinity environments.

2. The "China Factory" Advantage: Why Sourcing from Liushi Matters

Located in Liushi, the Capital of Electrical Appliances in China, Zhejiang Xingma Copper Industry operates at the heart of a global supply chain powerhouse. This strategic location offers unique advantages to international procurement officers:

  • Integrated Supply Chain: Our proximity to the primary copper material markets reduces logistics costs and ensures rapid replenishment of raw materials.
  • Cluster Innovation: Being surrounded by thousands of electrical component manufacturers allows us to stay at the forefront of application-specific innovations.
  • Scale Economies: With over 300 top-level manufacturing machines and an annual capacity of 2,000+ tons, we offer competitive pricing without compromising on E-E-A-T standards.

3. Global Industry Trends & Macro Solutions

The global transition to Green Energy and Electric Mobility is reshaping the copper industry. 55. Soft Bare Copper Stranded Wire is now critical in:

  • EV Battery Interconnects: The vibration resistance of stranded copper is essential for the longevity of electric vehicle battery packs.
  • Renewable Energy Systems: Wind turbines and solar inverters require flexible connections to manage thermal expansion and mechanical movement.
  • Smart Grid Infrastructure: As grids become more decentralized, the need for high-current, low-impedance flexible busbars and stranded wires grows.

We provide macro-level solutions that include full customization—from wire diameter and strand count to integrated terminal stamping—allowing for a "plug-and-play" experience for global OEMs.

5000+ Square Meters Workshop
300+ Manufacturing Machines
2000+ Tons Annual Capacity
ISO9001 Quality Certified

Industrial Ecosystem & Application Scenarios

Automotive

Automotive Industry

Utilized in grounding straps, battery connectors, and ignition systems where flexibility is paramount to counter engine vibrations.

Communication

Telecommunications

Providing high-frequency shielding and grounding for 5G base stations and data centers to ensure signal integrity.

New Energy

New Energy Sector

Flexible links for solar arrays and wind power converters, designed to handle high amperage and fluctuating temperatures.

About Zhejiang Xingma Copper

Established in 2019, Zhejiang Xingma Copper Industry Co., Ltd. has rapidly ascended as a leader in metal product processing. Our facility in Liushi integrates mechanical automation with a modern enterprise mechanism. Our leading products—including copper stranded wire, braided wire, and soft connection series—are best-sellers globally, trusted for their precision and reliability.

We are a member unit of the Zhejiang Cable Accessories Industry Association and the China Forging Association. Our commitment to quality is backed by ISO9001 and ISO14001 certifications.

Xingma Copper Factory

Frequently Asked Questions (FAQ)

What is the purity of the copper used in your stranded wires?
We use T1 and T2 grade electrolytic copper with a purity of ≥99.9%. This ensures maximum electrical conductivity and excellent mechanical properties for soft connections.
Can you customize the stranding configuration for specific flexibility needs?
Yes, we specialize in custom stranding. We can adjust the individual wire diameter (down to 0.05mm) and the total number of strands to meet your specific bend-radius and current-carrying requirements.
Do you provide tinned copper options?
Absolutely. We offer both bare copper and tinned copper variants. Tinned copper provides enhanced solderability and superior corrosion resistance in harsh environments.
What is your annual production capacity?
Our facility is equipped with over 300 machines, allowing for an annual production capacity exceeding 2,000 tons of copper products.
What certifications does your factory hold?
We have passed ISO9001 Quality Management System and ISO14001 Environmental Management System certifications, ensuring professional standards in every batch.

Partner with a Reliable China Copper Expert

Zhejiang Xingma Copper Co., Ltd. will work together with you to achieve win-win results! Based on the national market, closely combining the characteristics of various industries, digging deep into customer applications, we provide industry customers with reliable, high-quality, and easy-to-expand product customization solutions.

Contact us today for a technical consultation or a bulk quotation.