Magnesium AM100A-T6 (UNS M10100)

Image of Magnesium AM100A-T6 bars
Credit: CSIRO, CC BY 3.0, via Wikimedia Commons

Magnesium AM100A-T6 is a high-strength, lightweight magnesium alloy commonly used in structural castings. Known for its excellent castability, good weldability, and corrosion resistance, it is ideal for aerospace, defense, and transportation components requiring high performance and reduced weight.

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Chemical Composition
ElementMinMax
Magnesium——Remainder
Aluminum9.3%10.7%
Copper——0.10%
Manganese0.10%——
Nickel——0.01%
Silicon——0.30%
Zinc——0.30%

The following table provides a list of magnesium AM100A-T6 properties in both SI and US customary/Imperial units.

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

Table of Magnesium AM100A-T6 Properties
Physical Properties
Metric
Density1830 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)275 MPa
Tensile Strength (Yield)110 MPa
Fatigue Strength # of Cycles 1.0e+862 MPa
Young’s Modulus (E)45 GPa
Shear Modulus (G)17 GPa
Elongation at Break in 50 mm4%
Poisson’s Ratio (ν)0.35
Brinell Hardness 500 kg load, 10 mm ball69
Knoop Hardness Converted from Brinell92
Vickers Hardness Converted from Brinell79
Machinability100%
Thermal PropertiesMetric
Melting Point Incipient Melting≥ 430 °C
Solidus463 °C
Liquidus595 °C
Thermal Conductivity73 W/m·K
Specific Heat Capacity (Cp)1050 J/kg·K
Coefficient of Thermal Expansion (αL)25.0 1/°C
Heat of Fusion372 J/g
Electrical PropertiesMetric
Electrical Resistivity1.50×10-5 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 AM100A-T6

AdvantagesDisadvantages
StrongCorrosion-prone
LightweightLow melting point
Easy to weldHigh cost

Applications of Magnesium AM100A-T6

Magnesium AM100A-T6 is valued for its strength, low weight, and versatility in demanding environments. Typical applications include:

  • Pressure tight sand and permanent mold structural castings: A good choice for applications where strength, lightness, and weldability are important. Often used in the construction of aircraft, ships, and other vehicles.
  • Investment castings: Easily cast and capable of forming complex shapes. Commonly used in the production of jewelry, medical devices, and other precision parts.
  • Machinery: Suitable for applications where weight is a concern. Frequently used in the construction of machine tools, robots, and other industrial equipment.
  • Sports equipment: A strong and lightweight material often found in the construction of sporting goods, such as bicycles, skis, and golf clubs.
  • Transportation: Used in weight-sensitive components for cars, buses, and trains to improve efficiency and performance.
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