Magnesium WE54-T6 (UNS M18410)

Image of Magnesium WE54-T6 bars
Credit: CSIRO, CC BY 3.0, via Wikimedia Commons

WE54-T6 is a high-strength, heat-treatable magnesium alloy that is commonly used in aerospace and automotive applications. It is known for its good strength-to-weight ratio, corrosion resistance, and ability to be cast into complex shapes.

Chemical Composition
ElementMinMax
MagnesiumRemainder
Copper0.03%
Lithium0.20%
Manganese0.15%
Neodymium2.0%4.0%
Nickel0.005%
Silicon0.01%
Yttrium4.75%5.5%
Zinc0.20%
Zirconium0.40%1.0%

The following table provides a list of magnesium WE54-T6 properties in both SI and US customary/Imperial units.

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

Table of Magnesium WE54-T6 Properties
Physical Properties
Metric
Density1850 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)280 MPa
Tensile Strength (Yield)225 MPa
Compressive Strength (Yield)172 MPa
Young’s Modulus (E)44.4 GPa
Shear Modulus (G)17 GPa
Elongation at Break in 50 mm4%
Poisson’s Ratio (ν)0.27
Brinell Hardness 500 kg load, 10 mm ball85
Knoop Hardness Converted from Brinell109
Vickers Hardness Converted from Brinell96
Thermal PropertiesMetric
Melting Point550 - 640 °C
Solidus550 °C
Liquidus640 °C
Thermal Conductivity52 W/m·K
Specific Heat Capacity (Cp) Typical value for Mg alloys1.00 J/g·°C
Electrical PropertiesMetric
Electrical Resistivity1.73×10-5 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 WE54-T6

AdvantagesDisadvantages
High strengthLow stiffness
Good machinabilityCorrosion can be a problem in harsh environments
Good thermal conductivityRelatively expensive
Low densityCan be difficult to weld

Applications of Magnesium WE54-T6

Magnesium WE54-T6 is a versatile and high-performance alloy that is used in a wide range of applications, including:

  • Aerospace: Magnesium WE54-T6 is used in aircraft structures, such as landing gear, engine mounts, and fuel tanks.
  • Automotive: Magnesium WE54-T6 is used in car parts, such as engine blocks, cylinder heads, and brake calipers.
  • Marine: Magnesium WE54-T6 is used in marine applications, such as boat hulls, propellers, and rudders.
  • Sporting goods: Magnesium WE54-T6 is used in sporting goods, such as golf clubs, tennis rackets, and bicycles.
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