AM50A (AM50A-F, M10500) Magnesium
Magnesium Alloys
Property Overview
Density1.7g/cm³
Elastic Modulus45GPa
Tensile Strength210MPa
Yield Strength120MPa
Brinell Hardness58HB
Maximum Service Temperature120°C
Chemical Composition
NI
0 to 0.0020%
MN
0.26 to 0.6%
SI
0 to 0.1%
CU
0 to 0.010%
AL
4.4 to 5.4%
MG
93.7 to 95.3%
ZN
0 to 0.22%
FE
0 to 0.0040%
Mechanical
Elastic (Young's, Tensile) Modulus
45 GPa
Elongation at Break
11 %
Fatigue Strength
70 MPa
Poisson's Ratio
0.29
Shear Modulus
17 GPa
Shear Strength
120 MPa
Tensile Strength: Ultimate (UTS)
210 MPa
Tensile Strength: Yield (Proof)
120 MPa
Hardness
Brinell Hardness
58
Physical
Density
1.7 g/cm 3
Thermal
Latent Heat of Fusion
350 J/g
Maximum Temperature: Mechanical
120 °C
Melting Completion (Liquidus)
620 °C
Melting Onset (Solidus)
570 °C
Specific Heat Capacity
1000 J/kg-K
Thermal Conductivity
65 W/m-K
Thermal Diffusivity
39 mm 2 /s
Thermal Expansion
26 µm/m-K
Thermal Shock Resistance
13 points
Electrical
Electrical Conductivity: Equal Volume
16 % IACS
Electrical Conductivity: Equal Weight (Specific)
88 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
19 MJ/m 3
Resilience: Unit (Modulus of Resilience)
150 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
71 points
Strength to Weight: Axial
35 points
Strength to Weight: Bending
47 points
Environmental
Base Metal Price
12 % relative
Embodied Carbon
23 kg CO 2 /kg material
Embodied Energy
160 MJ/kg
Embodied Energy
160 MJ/kg 68 x 10 3 BTU/lb
Embodied Water
990 L/kg
Embodied Water
990 L/kg 120 gal/lb
Registered Designations & Aliases
AM50A (AM50A-F, M10500) MagnesiumAM50A-FM10500
Standards
ASTM B94 ASTM B94: Standard Specification for Magnesium-Alloy Die Castings
ASTM B94 ASTM B94: Standard Specification for Magnesium-Alloy Die Castings Essential Readings in Magnesium Technology, Suveen N. Mathaudhu et al. (editors), 2014 Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014. Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993