Zinc Alloy Machining

Zinc die-casting alloys including Zamak and ZA alloys for automotive and consumer applications.

Material Properties

Density
6.6-7.0
g/cm³
Melting Point
380-420
°C
Tensile Strength
200-300
MPa
Hardness
80-120
HB
Corrosion Resistance
Good
Thermal Conductivity
100-150
W/m·K

Machining Recommendations

Recommended Methods

CNC milling, turning, drilling, threading

Tool Materials

Carbide or high-speed steel

Cutting Speeds

200-400 m/min

Feeds

0.1-0.3 mm/rev

Coolant

Water-soluble coolants or dry machining

Machinability

Excellent - very easy to machine

Surface Finish

Ra 0.2-0.8 μm easily achievable

Application Case Studies

Automotive Die-Cast Components

Industry: Automotive

Challenge

Zinc alloy parts for automotive applications including door handles and trim pieces

Solution

Optimized secondary machining process for die-cast parts

Result

Increased production capacity to 100,000 parts per month

Consumer Electronics Hardware

Industry: Electronics

Challenge

Zinc alloy components for smartphones, laptops requiring durability and aesthetic appeal

Solution

Implemented specialized finishing and plating processes

Result

Achieved premium appearance and supplied 50,000+ components annually

Precision Locks and Hinges

Industry: Hardware

Challenge

Zinc alloy components for door locks and hinges requiring corrosion resistance

Solution

Applied protective plating and passivation treatments

Result

Extended component lifespan by 20+ years in outdoor environments

Decorative Hardware

Industry: Architecture

Challenge

Zinc alloy components for decorative applications

Solution

Implemented polishing and premium plating finishes

Result

Created premium aesthetic appeal and supplied 10,000+ components annually

Industrial Equipment Components

Industry: Industrial

Challenge

Zinc alloy parts for machinery and industrial equipment

Solution

Optimized design for manufacturability and durability

Result

Reduced production cost by 30% while improving quality

Technical Specifications

Available Forms
Size Ranges
1mm to 150mm diameter/width
Tolerances
±0.02mm to ±0.05mm
Lead Times
1-3 weeks for standard orders
Quality Standards
ISO 9001 RoHS compliant

Frequently Asked Questions

What zinc alloys do you machine?

We machine Zamak 3, Zamak 5, Zamak 7, and ZA alloys for various applications.

Yes, zinc alloy parts can be plated with nickel, chrome, gold, or other metals for enhanced appearance and corrosion resistance.

Typically 1-3 weeks for standard orders, with expedited services available for urgent requirements.

Yes, we can achieve ±0.02mm tolerances on zinc alloy parts using precision CNC machines and advanced fixturing.

Yes, we offer polishing, plating, powder coating, and other finishing services for zinc alloy parts.

Yes, we specialize in secondary machining of die-cast zinc parts, including drilling, tapping, milling, and finishing.

We offer nickel plating, chrome plating, gold plating, powder coating, and polishing for various aesthetic and functional requirements.

Zinc alloys have low melting points and are not typically welded. However, they can be brazed or mechanically fastened.

Related Services

Ready to Get Started?

Contact our engineering team to discuss your metals machining requirements.