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.
Property
|
Zinc Treated Brass Wire
|
Standard Brass Wire
|
Corrosion Resistance
|
1,500+ hours (salt spray test)
|
500 hours (salt spray test)
|
Machining Speed
|
20% faster
|
Baseline speed (100%)
|
Surface Finish (Ra)
|
0.8-1.2 µm
|
1.2-1.8 µm
|
Machine Wear
|
30% reduction
|
Higher wear rate
|
Electrical Conductivity
|
~28% IACS
|
~28% IACS
|
Tensile Strength
|
500-600 MPa
|
450-550 MPa
|
Temperature Range
|
-50°C to 200°C
|
-30°C to 150°C
|
Precision (>50mm)
|
±5% error
|
±8-10% error
|
Taper Cutting Speed
|
15-25% faster (CCA/AWT parameters)
|
Baseline speed
|
Material Cost
|
10-20% higher
|
Baseline cost
|
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.