Magnesium ZH62A-T5 (UNS M16620)

Image of Magnesium ZH62A-T5 bars
Credit: CSIRO, CC BY 3.0, via Wikimedia Commons

ZH62A-T5 is a magnesium alloy that is known for its low density, good high temperature mechanical properties, and good to excellent corrosion resistance. It is often used in applications where weight is a critical factor, such as aerospace and automotive applications.

Chemical Composition
ElementMinMax
MagnesiumRemainder
Copper0.10%
Nickel0.01%
Thorium1.4%2.2%
Zinc5.2%6.2%
Zirconium0.50%1.0%

The following table provides a list of magnesium ZH62A-T5 properties in both SI and US customary/Imperial units.

Click on the icon to switch between Metric and Imperial units.

Table of Magnesium ZH62A-T5 Properties
Physical Properties
Metric
Density1860 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)240 MPa
Tensile Strength (Yield)170 MPa
Bearing Strength (Ultimate)495 MPa
Bearing Strength (Yield)340 MPa
Shear Strength165 MPa
Young’s Modulus (E)45 GPa
Shear Modulus (G)17 GPa
Elongation at Break in 50 mm4%
Poisson’s Ratio (ν)0.30
Brinell Hardness 500 kg load, 10 mm ball70
Knoop Hardness Converted from Brinell93
Vickers Hardness Converted from Brinell80
Machinability100%
Charpy Impact V-notch1.02 J
Thermal PropertiesMetric
Melting Point520 - 630 °C
Solidus520 °C
Liquidus630 °C
Thermal Conductivity110 W/m·K
Specific Heat Capacity (Cp)960 J/kg·K
Heat of Fusion373 J/g
Electrical PropertiesMetric
Electrical Resistivity6.50×10-6 Ω·cm

The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.

Advantages & Disadvantages of Magnesium ZH62A-T5

AdvantagesDisadvantages
High strengthLow melting point
Good machinabilityHigh cost
Excellent corrosion resistancePoor weldability
Light weightLimited availability

Applications of Magnesium ZH62A-T5

Magnesium ZH62A-T5 is a versatile and high-performance magnesium alloy that is well-suited for a wide range of applications. Some of the most common applications include:

  • Automotive: Magnesium ZH62A-T5 is used in a variety of automotive applications, including engine blocks, transmission housings, and suspension components.
  • Aerospace: Magnesium ZH62A-T5 is used in a variety of aerospace applications, including aircraft bodies, landing gear, and engine parts.
  • Defense: Magnesium ZH62A-T5 is used in a variety of defense applications, including weapons, vehicles, and armor.
  • Marine: Magnesium ZH62A-T5 is used in a variety of marine applications, including boats, ships, and offshore structures.
  • Industrial: Magnesium ZH62A-T5 is used in a variety of industrial applications, including machine tools, construction equipment, and medical devices.
Similar Alloys