MAGNESIUM ALLOY AM50A-F, AM50 MAGNESIUM TOOLING PLATE

Mg content calculated as balance. Excellent energy-absorption characteristics and excellent ductility. Applications for die casting alloy in as-cast (F) temper include parts that require good ductility and toughness with reasonable yield and tensile properties (such as automotive wheels).

Component Value Min Max

Aluminum, Al 4.4 5.4

Copper, Cu 0.01

Iron, Fe 0.004

Magnesium, Mg 94.8

Manganese, Mn 0.26 0.6

Nickel, Ni 0.002

Silicon, Si 0.1

Zinc, Zn 0.22

Properties Value Min Max Comment

Physical

Density, g/cc 1.77 -- --

Mechanical

Hardness, Brinell 60 -- -- 500 kg load, 10 mm ball

Tensile Strength, Ultimate, MPa 228 -- --

Tensile Strength, Yield, MPa 124 -- --

Elongation at Break, % 15 -- -- in 50 mm

Modulus of Elasticity, GPa 45 -- --

Compressive Yield Strength, MPa 110 -- --

Poissons Ratio 0.35 -- --

Shear Modulus, GPa 17 -- -- Estimated from

similar Mg alloys.

Electrical

Electrical Resistivity, ohm-cm 1.3e-005 -- --

Thermal

CTE, linear 20°C, µm/m-°C 26 -- -- 20-100°C

CTE, linear 100°C, µm/m-°C 27 -- -- 20-200ºC. Estimated from similar Mg alloys.

Specific Heat Capacity, J/g-°C 1.02 -- --

Thermal Conductivity, W/m-K 65 -- --

Melting Point, °C -- 435 -- Incipient Melting

Liquidus, °C 620 -- --

Processing

Casting Temperature, °C -- 655 690 Die Cast