Dimensional classification of magnesium alloys

Alloy Type

Main Alloying Elements

Common Grades

Features

Applications

Aluminum-Magnesium Alloy (AZ Series)

Aluminum (Al), Zinc (Zn)

AZ31, AZ61, AZ91, AZ92

1. Provides high strength and good corrosion resistance.
2. Good castability, easy to process, suitable for manufacturing parts with complex shapes.
3. Aluminum is the main alloying element; Zinc enhances strength.

1. Automobile Industry: Suitable for engine housing, transmission housing, wheel hubs, and other parts.
2. Aerospace: Used for aircraft and engine casings.
3. Electronic Products: Mobile phone and laptop casings.

Aluminum-Manganese-Magnesium Alloy (AM Series)

Aluminum (Al), Manganese (Mn)

AM50, AM60

1. Good ductility, impact toughness, and corrosion resistance.
2. Relatively low strength but good plasticity and toughness.
3. Easy to cast and process, suitable for parts with complex shapes.

1. Automobile Industry: Used for body frames, engine casings, chassis.
2. Consumer Electronics: Used for electronic product casings (e.g., mobile phones, computers).

Zinc-Magnesium Alloy (ZE Series)

Zinc (Zn)

ZE41

1. Good high-temperature resistance and creep resistance.
2. Provides excellent high-temperature strength, suitable for high-temperature environments.

1. Aerospace: Used for aircraft engine parts, turbine blades, etc.
2. High-End Automobiles: Auto parts in high-temperature environments.

Rare Earth Magnesium Alloy (WE Series)

Rare Earth Elements (e.g., Yttrium Y, Zirconium Zr)

WE43, WE54

1. Excellent high-temperature performance, corrosion resistance, and strength.
2. Rare earth elements significantly improve mechanical properties, oxidation resistance, and fatigue resistance.
3. Maintains good performance in high-temperature and harsh environments.

1. Aerospace: Used for aircraft engines and high-speed aircraft structural parts.
2. High-End Automotive: Used in high-performance racing cars and lightweight automotive components.

Lithium-Magnesium Alloy (LZ Series)

Lithium (Li)

LZ91

1. Lightweight: Lithium reduces the alloy's density, providing high specific strength and stiffness.
2. Good high-temperature performance and low thermal expansion coefficient.
3. Suitable for high-end lightweight applications.

1. Aerospace: Lightweight structural components for aircraft and spacecraft.
2. High-End Automotive: Lightweight components for racing and high-performance cars.

Alloy Type

Features

Applications

Sand Casting Alloy

1. Suitable for castings with complex shapes.
2. The casting process is relatively simple, but the surface accuracy is low and requires post-processing.

Suitable for small and medium batch production and castings with complex shapes.

Die-Casting Alloy

1. Good dimensional accuracy and surface finish.
2. Suitable for mass production and can produce high-precision aluminum-magnesium alloy parts.

Mass-produced housing parts for automobiles, consumer electronics, etc.

Extruded Alloy

1. The material is extruded through a die to produce a material that is dimensionally stable and highly accurate.
2. Suitable for producing long-section, thin-walled, and complex-shaped parts.

Suitable for manufacturing pipes, profiles, plates, etc.

Magnesium Alloy Type

Features

Applications

High-Strength Magnesium Alloy

1. Provides higher tensile strength and better fatigue performance.
2. Suitable for applications requiring higher structural strength.

Aerospace: Aircraft engines and aircraft structures.
Automobile industry: Engine hood, body frame, etc.

High Corrosion Resistance Magnesium Alloy

1. Excellent corrosion resistance, especially in marine or humid environments.

Offshore engineering: Offshore platform equipment.
Automotive industry: Automotive exterior parts.

High Temperature Magnesium Alloy

1. Good high temperature resistance and creep resistance.
2. Suitable for high-temperature working environments.

Aerospace: Engine components in high-temperature environments.
High-temperature working equipment: Gas turbine blades, etc.

Magnesium Alloy Application

Features

Commonly Used Alloys

Applications

Magnesium Alloys for Automotive Industry

1. Focused on lightweighting, improving fuel efficiency, and reducing emissions.
2. Good strength, toughness, and machinability.

AZ91, AM60, AZ31, ZE41

Automobile engine parts, transmission housings, body frames, seat brackets, etc.

Magnesium Alloys for Aerospace

1. Used for structural parts requiring light weight and high strength.
2. Needs to be resistant to high temperatures, corrosion, and fatigue.

WE43, ZE41, LZ91

Aircraft fuselage, engine casing, structural parts, aviation equipment, etc.

Magnesium Alloys for Consumer Electronics

1. Require lightness, wear resistance, high strength, and good appearance.
2. Alloys with better processability, such as AM and AZ series.

AZ91, AM60

Mobile phone cases, laptop computer cases, digital camera cases, etc.

Magnesium Alloys for Military Use

1. Used for lightweight and high-strength applications.
2. Requires excellent corrosion resistance, high temperature resistance, and fatigue resistance.

WE43, LZ91

Aircraft, missiles, rocket parts, etc.

Magnesium Alloy Type

Features

Applications

Casting Magnesium Alloy

1. Easy to cast into complex shapes.
2. Low precision, requires post-processing.

Auto parts, engine parts, consumer electronics housings, etc.

Extruded Magnesium Alloy

1. Suitable for long section products requiring high precision.

Aluminum-magnesium alloy pipes, profiles, etc.

Rolling Magnesium Alloy

1. Suitable for producing thin plates, thin strips, and foils.

Electronic equipment, packaging materials, etc.