سلك نحاسي مغلف بالزنك CM6712

Zinc Treated Brass Wire Description

Zinc Treated Brass Wire is a high-performance industrial material engineered by electroplating a pure zinc layer (5-15 μm) onto a brass substrate, combining brass’s inherent conductivity (~28% IACS) and ductility with zinc’s superior corrosion resistance. The zinc coating withstands over 1,500 hours in salt spray tests, tripling the lifespan of standard brass wire in harsh environments like marine or chemical industries. Its tensile strength (500-600 MPa) and temperature tolerance (-50°C to 200°C) ensure stability during high-speed machining, reducing tool wear by 30% due to the lubricating effect of the zinc layer. The wire excels in precision applications, achieving surface finishes as smooth as Ra 0.8-1.2 µm, critical for aerospace components, automotive sensors, and microelectronics. It operates 20% faster than conventional brass wire, particularly in taper cutting under Agie Charmilles CCA or AWT parameters, while maintaining accuracy for large workpieces (>50mm). The uniform, low-porosity zinc coating minimizes oxidation and friction, extending machine lifespan and reducing downtime. Compatible with automated systems like CNC and wire EDM, it is widely used in tooling, renewable energy systems, and high-end jewelry. Though 10-20% costlier upfront, its durability, reduced maintenance, and recyclability align with sustainable, cost-efficient manufacturing practices.

Zinc Treated Brass Wire Applications

1. Wire Electrical Discharge Machining (WEDM): Widely used for cutting aluminum alloys (e.g., 6061-T6) in molds, aerospace components, and precision parts. Optimized parameters (e.g., discharge time, servo voltage, wire feed speed) achieve a surface roughness (Ra) of 0.8-1.2 µm, with enhanced material removal rate (MRR) and reduced electrode wear rate (EWR), improving efficiency and accuracy.

2. Complex Geometry Machining: Enables high-precision taper cutting for intricate shapes (e.g., right-angle triangles, S-curves) by adjusting pulse parameters (e.g., discharge time: 2.04-2.66 μs, pause time: 9-17 μs), ideal for micro-components and precision tools.

3. High-Conductivity & Corrosion-Resistant Applications: Suitable for harsh environments (marine, chemical) due to its anti-corrosive zinc layer. Maintains conductivity (~28% IACS), making it ideal for sensors, connectors, and high-frequency electronics.

4. Automated & High-Speed Production: Compatible with automatic threading machines and Agie Charmilles CCA systems. Supports high-speed wire feeding (e.g., 7 m/min) for large workpieces (>50 mm), reducing downtime and ensuring consistency in automotive and energy industries.

5. Sustainable Manufacturing: Recyclable and aligns with eco-friendly practices, particularly in renewable energy systems (e.g., solar panel components) where performance and sustainability are prioritized.

Zinc Treated Brass Wire Packaging

Our products are packaged in customized cartons of various sizes based on the material dimensions. Small items are securely packed in PP boxes, while larger items are placed in custom wooden crates. We ensure strict adherence to packaging customization and the use of appropriate cushioning materials to provide optimal protection during transportation.

Packaging: Carton, Wooden Box, or Customized.

Kindly review the packaging details provided for your reference.

Manufacturing Process

1.       Testing Method

(1)    Chemical Composition Analysis - Verified using techniques such as GDMS or XRF to ensure compliance with purity requirements.

(2)    Mechanical Properties Testing - Includes tensile strength, yield strength, and elongation tests to assess material performance.

(3)    Dimensional Inspection - Measures thickness, width, and length to ensure adherence to specified tolerances.

(4)    Surface Quality Inspection - Checks for defects such as scratches, cracks, or inclusions through visual and ultrasonic examination.

(5)    Hardness Testing - Determines material hardness to confirm uniformity and mechanical reliability.

Please refer to the SAM testing procedures for detailed information.

Zinc Treated Brass Wire FAQs

Q1. Why is it better for large workpieces (>50mm)?

Its uniform zinc coating minimizes vibration and wire deflection, maintaining high precision (±5% error) in thick-material machining.

Q2. How does the zinc coating improve performance?

The zinc layer acts as a lubricant, reducing friction and machine wear, while acting as a sacrificial barrier against oxidation and corrosion.

Q3. Does it require special storage?

Store in a dry environment to prevent moisture-induced oxidation, though its zinc coating inherently resists tarnish.

Performance Comparison Table with Competitive Products

Related Information

1.       Common Preparation Methods

The manufacturing of Zinc Treated Brass Wire involves a multi-stage process to ensure optimal zinc adhesion and performance. Initially, high-purity brass wire undergoes rigorous cleaning, including alkaline degreasing, acid pickling (e.g., 10% sulfuric acid), and ultrasonic rinsing to eliminate surface contaminants. The cleaned wire is then electroplated in a zinc sulfate or cyanide-free electrolyte bath under controlled current density (2-4 A/dm²) to deposit a uniform zinc layer (5-15 μm thickness). Advanced pulse plating techniques minimize porosity and enhance coating density. Post-plating, the wire is passivated using chromate or eco-friendly trivalent chromium solutions to boost corrosion resistance, followed by hot-air drying to prevent moisture retention. A final annealing step (200-300°C) stabilizes the zinc-brass interface, improving ductility and mechanical strength. Modern production lines integrate real-time thickness monitoring (via X-ray fluorescence) and automated tension control to ensure consistency. Environmental safeguards, such as closed-loop electrolyte recycling and wastewater treatment, align with sustainable manufacturing standards. The result is a high-performance wire with balanced conductivity, durability, and corrosion resistance for precision industrial applications.