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EN-MC65220 Magnesium vs. Grade 7 Babbitt Metal

EN-MC65220 magnesium belongs to the magnesium alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN-MC65220 magnesium and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
23
Elastic (Young's, Tensile) Modulus, GPa 44
26
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 17
9.1
Tensile Strength: Yield (Proof), MPa 200
25

Thermal Properties

Latent Heat of Fusion, J/g 340
48
Melting Completion (Liquidus), °C 610
270
Melting Onset (Solidus), °C 550
240
Specific Heat Capacity, J/kg-K 980
150
Thermal Expansion, µm/m-K 26
26

Otherwise Unclassified Properties

Base Metal Price, % relative 80
23
Density, g/cm3 1.9
10
Embodied Carbon, kg CO2/kg material 27
4.4
Embodied Energy, MJ/kg 210
62

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 450
12
Stiffness to Weight: Axial, points 13
1.4
Stiffness to Weight: Bending, points 62
9.6

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
14 to 16
Arsenic (As), % 0
0.3 to 0.6
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 0.050 to 0.1
0 to 0.5
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0
71.9 to 76.4
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
9.3 to 10.7
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.0050
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0