Magnesium AM100A-T5 (UNS M10100)

Magnesium AM100A-T5 is a cast magnesium alloy known for its excellent balance of tensile strength, ductility, and weldability. Commonly used in sand, permanent mold, and investment casting applications, it delivers reliable mechanical performance and ease of fabrication.
Chemical Composition | ||
---|---|---|
Element | Min | Max |
Magnesium | —— | Remainder |
Aluminum | 9.3% | 10.7% |
Copper | —— | 0.10% |
Manganese | 0.10% | —— |
Nickel | —— | 0.01% |
Silicon | —— | 0.30% |
Zinc | —— | 0.30% |
The following table provides a list of magnesium AM100A-T5 properties in both SI and US customary/Imperial units.
Click on the button to switch between Metric and Imperial units.
Physical Properties | Metric |
---|---|
Density | 1830 kg/m3 |
Mechanical Properties | Metric |
Tensile Strength (Ultimate) | 150 MPa |
Tensile Strength (Yield) | 110 MPa |
Young’s Modulus (E) | 45 GPa |
Shear Modulus (G) | 17 GPa |
Elongation at Break in 50 mm | 2% |
Poisson’s Ratio (ν) | 0.35 |
Brinell Hardness 500 kg load, 10 mm ball | 67 |
Knoop Hardness Converted from Brinell | 90 |
Vickers Hardness Converted from Brinell | 77 |
Machinability | 100% |
Thermal Properties | Metric |
Melting Point Incipient Melting | ≥ 430 °C |
Solidus | 463 °C |
Liquidus | 595 °C |
Thermal Conductivity | 73 W/m·K |
Specific Heat Capacity (Cp) | 1050 J/kg·K |
Coefficient of Thermal Expansion (αL) | 25.0 1/°C |
Heat of Fusion | 372 J/g |
Electrical Properties | Metric |
Electrical Resistivity | 1.50×10-5 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-T5
Advantages | Disadvantages |
---|---|
Good combinations of tensile strength, yield strength, and elongation | Corrosion resistance is lower than other magnesium alloys |
Very good weldability | Density is higher than other magnesium alloys |
Good machinability | No longer widely used |
Low cost |
Applications of Magnesium AM100A-T5
While AM100A-T5 has seen reduced usage in modern applications, it was historically employed in commercial and military structural castings. Its properties made it suitable for diverse industries, including:
- Automotive: Used in a variety of automotive applications, including engine blocks, cylinder heads, and suspension components.
- Aerospace: Used in a variety of aerospace applications, including aircraft bodies, landing gear, and engine components.
- Machinery: Used in a variety of machinery applications, including machine tools, robotic arms, and conveyors.
- Electronics: Used in a variety of electronics applications, including circuit boards, housings, and connectors.