HeatOnn Alloys

Zinc Ingots

Zinc Ingots

Zinc Ingots are high-purity metal blocks widely used in galvanizing, die-casting alloys, chemical applications, and various industrial processes. Known for excellent corrosion resistance, durability, and versatility, zinc ingots are a critical raw material across automotive, electrical, construction, and metallurgical sectors.

Key Features

High purity zinc content ensuring consistent quality.
Excellent corrosion resistance.
Good castability and flow characteristics for die-casting applications.
Superior electrical and thermal conductivity.
Suitable for alloying with aluminum, copper & magnesium.
Stable performance in galvanizing and coating processes.

Applications

Hot-dip galvanizing industries.
Die-casting of automotive, electrical, and hardware components.
Manufacturing zinc alloys (Zamak, ZA alloys, etc.).
Chemical industries for zinc oxide, zinc sulfate, and other compounds.
Battery manufacturing (dry cell applications).
Cathodic protection systems.
Construction and roofing materials.

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Key Features

High hardness and strength compared to other Zamak grades
Excellent wear resistance and dimensional stability
Good casting fluidity for complex geometries
Superior impact resistance at room and elevated temperatures
Suitable for gravity casting and precision die-casting
Excellent machinability and surface finishing characteristics

Chemical Composition (% by weight)

Element	Composition (%)
Zinc (Zn)	Balance
Aluminum (Al)	3.8 – 4.3
Copper (Cu)	2.5 – 3.0
Magnesium (Mg)	0.02 – 0.05
Iron (Fe)	≤ 0.075
Lead (Pb)	≤ 0.005
Cadmium (Cd)	≤ 0.004
Tin (Sn)	≤ 0.003

Mechanical Properties

Property	Value
Tensile Strength	> 350 MPa
Yield Strength	> 280 MPa
Elongation	2 – 3%
Hardness (Brinell)	120 – 130 HB
Impact Strength	Good at room temperature

Physical Properties

Property	Value
Density	6.6 g/cm³
Melting Point	≈ 380°C – 390°C
Electrical Conductivity	~ 27% IACS
Thermal Conductivity	≈ 113 W/m·K

Standard Sizes

Ingot Weight: 5 kg, 10 kg, 25 kg, 30 kg, 40 kg
Customized ingot shapes available upon request
Palletized and strapped for bulk industrial supply

Applications

Precision die-casting components
Automotive parts & housings
Electrical and electronic hardware
Lock parts, gears, and mechanical hardware
Industrial machinery components
High-strength wear-resistant castings

Key Features

Excellent castability and fluidity
Superior dimensional stability
Good impact strength and hardness
Smooth surface finish suitable for plating
Good machinability and corrosion resistance
Ideal for high-volume die-casting production

Chemical Composition (% by weight)

Element	Percentage (%)
Zinc (Zn)	~ 95.0
Aluminum (Al)	3.5 – 4.3
Magnesium (Mg)	0.02 – 0.06
Copper (Cu)	≤ 0.25
Iron (Fe)	≤ 0.075
Lead (Pb)	≤ 0.004
Cadmium (Cd)	≤ 0.003
Tin (Sn)	≤ 0.003

Mechanical Properties

Property	Value
Tensile Strength	280 MPa
Yield Strength	210 MPa
Elongation	7 – 10%
Brinell Hardness	82 – 90 HB
Impact Strength (Charpy)	30 – 35 J

Physical Properties

Property	Value
Density	6.6 g/cm³
Melting Point	385 – 390°C
Thermal Conductivity	109 W/m·K
Electrical Conductivity	27% IACS
Solidus	380°C
Liquidus	390°C

Standard Sizes

Zamak 3 Ingots are typically supplied in:

Standard die-casting ingots: 5–8 kg each
Jumbo ingots: 20–25 kg
Customized ingot weights available on request

Applications

Automotive components and housings
Electrical and electronic enclosures
Hardware fittings and fasteners
Toys and household equipment
Locks, gears, hinges, and mechanical parts
Appliance components and decorative parts
Precision die-cast parts requiring fine surface finish

Key Features

Higher strength and hardness compared to Zamak 3
Excellent castability and dimensional stability
Good impact strength and machinability
Suitable for plating, polishing, and finishing processes
Good corrosion resistance in normal environments
Widely used for pressure die-casting applications

Chemical Composition (% by weight)

Element	Percentage (%)
Zinc (Zn)	Balance
Aluminum (Al)	3.5 – 4.3%
Copper (Cu)	0.75 – 1.25%
Magnesium (Mg)	0.02 – 0.05%
Iron (Fe)	≤ 0.075%
Lead (Pb)	≤ 0.003%
Cadmium (Cd)	≤ 0.003%
Tin (Sn)	≤ 0.002%

Mechanical Properties

Property	Value
Tensile Strength	331 MPa
Yield Strength	260 MPa
Elongation	7 – 10%
Brinell Hardness	82 – 90 HB
Impact Strength	41 J

Physical Properties

Property	Value
Density	6.6 g/cm³
Melting Range	381–387°C
Electrical Conductivity	27% IACS
Thermal Conductivity	109 W/m·K
Coefficient of Thermal Expansion	27 µm/m·°C

Standard Sizes

Form	Common Sizes
Ingots	5–10 kg standard ingots, 25 kg jumbo ingots
Custom Shapes	Available upon request for die-casting applications

Applications

Automotive die-cast components
Hardware fittings and locks
Electrical and electronic housings
Consumer goods and appliances
Industrial components requiring durability and precision
Bathroom and sanitary fittings
Ornamental and decorative cast products

Key Features

High fluidity and excellent castability
Improved ductility compared to Zamak 3 & Zamak 5
Excellent dimensional stability and surface finish
Good impact strength and elongation
Preferred for thin-wall and high-precision die-casting applications
Excellent finishing characteristics (plating, painting, polishing)

Chemical Composition (% by weight)

Element	Percentage (%)
Zinc (Zn)	Balance
Aluminium (Al)	3.8 – 4.2
Magnesium (Mg)	0.035 – 0.06
Copper (Cu)	Max 0.003
Iron (Fe)	Max 0.075
Lead (Pb)	Max 0.003
Cadmium (Cd)	Max 0.003
Tin (Sn)	Max 0.001

Mechanical Properties

Property	Value
Tensile Strength	280 MPa (approx.)
Yield Strength	210 MPa (approx.)
Elongation	10% – 15%
Brinell Hardness	80 HB
Impact Strength	High

Physical Properties

Property	Value
Density	6.6 g/cm³
Melting Point	382°C – 390°C
Electrical Conductivity	~27% IACS
Thermal Conductivity	109 W/m·K

Standard Sizes

Available Forms:

Standard Zinc Ingots – 5 kg, 10 kg, 25 kg
Custom casting blocks available on request

Applications

Precision die-casting components
Automotive parts and decorative hardware
Electrical and electronic housings
Small gears, lock parts, and brackets
Thin-wall and high-detail castings
High-finish plated components

Key Features

High strength with excellent hardness.
Superior wear and abrasion resistance.
Outstanding dimensional stability.
Good castability for both die casting & gravity casting.
Excellent machinability and finishing characteristics.
High creep resistance and enhanced rigidity.

Chemical Composition (% by weight)

Element	Percentage (%)
Aluminum (Al)	7.5 – 8.5
Copper (Cu)	0.8 – 1.3
Magnesium (Mg)	0.015 – 0.03
Iron (Fe)	0.075 max
Lead (Pb)	0.004 max
Cadmium (Cd)	0.003 max
Tin (Sn)	0.003 max
Zinc (Zn)	Balance

Mechanical Properties

Property	Value
Tensile Strength	≈ 350 MPa
Yield Strength	≈ 290 MPa
Elongation	1 – 3%
Brinell Hardness	≈ 100 HB
Impact Strength	Moderate

Physical Properties

Property	Value
Density	6.30 g/cm³
Melting Range	382 – 390°C
Thermal Conductivity	≈ 110 W/m·K
Electrical Conductivity	≈ 28% IACS
Coefficient of Thermal Expansion	26 µm/m°C

Standard Sizes

Form	Available Sizes
Ingots	5–10 kg, 20–25 kg, and custom ingot weights
Blocks	Custom cast blocks available on request

Applications

Automotive parts and components.
Industrial machinery and equipment housings.
Precision die-cast components.
Gears, pulleys, levers, and linkage systems.
Hardware components and tools.
High-precision structural castings.