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EN-MC21320 Magnesium vs. Type 2 Pewter

EN-MC21320 magnesium belongs to the magnesium alloys classification, while Type 2 pewter belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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-MC21320 magnesium and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
13 to 23
Elastic (Young's, Tensile) Modulus, GPa 45
52
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 18
19
Tensile Strength: Ultimate (UTS), MPa 230
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 370
69
Melting Completion (Liquidus), °C 600
300
Melting Onset (Solidus), °C 530
240
Specific Heat Capacity, J/kg-K 1000
220
Thermal Expansion, µm/m-K 26
21

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 1.6
7.3
Embodied Carbon, kg CO2/kg material 23
12
Embodied Energy, MJ/kg 160
210
Embodied Water, L/kg 980
1220

Common Calculations

Stiffness to Weight: Axial, points 15
3.9
Stiffness to Weight: Bending, points 72
17
Strength to Weight: Axial, points 38
2.0 to 2.6
Strength to Weight: Bending, points 50
4.3 to 5.1
Thermal Shock Resistance, points 13
3.4 to 4.4

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0
Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 0 to 0.010
1.5 to 3.0
Iron (Fe), % 0 to 0.0050
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 92.5 to 95.9
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0.5 to 1.5
0
Tin (Sn), % 0
90 to 93
Zinc (Zn), % 0 to 0.2
0 to 0.0050
Residuals, % 0 to 0.010
0