Magnesium AM100A-T61 Sand Cast (UNS M10100)
Magnesium AM100A-T61 is a sand-cast alloy known for its outstanding combination of strength and ductility. It is pressure-tight and compatible with various casting methods, including sand casting, permanent mold casting, and investment casting. These qualities make it ideal for structural applications where lightweight materials and reliability are crucial.
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| 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-T61 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) | 275 MPa |
| Tensile Strength (Yield) | 150 MPa |
| Bearing Strength (Ultimate) | 560 MPa |
| Bearing Strength (Yield) | 470 MPa |
| Fatigue Strength # of Cycles 5.0e+8 | 70 MPa |
| Shear Strength | 145 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 1% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 69 |
| Knoop Hardness Converted from Brinell | 92 |
| Rockwell Hardness | 80 |
| Vickers Hardness Converted from Brinell | 79 |
| Machinability | 100% |
| Charpy Impact V-notch | 0.900 J |
| 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-T61
| Advantages | Disadvantages |
|---|---|
| Good combination of strength and elongation | Low melting point |
| Excellent weldability | Poor machinability |
| Lightweight | Poor fatigue strength |
| Corrosion resistant | |
| Low cost |
Applications of Magnesium AM100A-T61
Magnesium AM100A-T61 is commonly used in commercial and military-grade pressure-tight castings and offers reliable performance in several demanding sectors, including:
- Aircraft structures: Used in a variety of aircraft components, including fuselages, wings, and landing gear.
- Automotive parts: Applied in engine blocks, transmission cases, and suspension components.
- Marine components: Found in marine hardware such as hulls, decks, and fittings.
- Sporting goods: Used in products like bicycles, golf clubs, and skis.
- Medical devices: Employed in implants, surgical instruments, and diagnostic equipment.