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K1A Magnesium vs. C91300 Bell Metal

K1A magnesium belongs to the magnesium alloys classification, while C91300 bell metal belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 K1A magnesium and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
100
Elongation at Break, % 13
0.5
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
38
Tensile Strength: Ultimate (UTS), MPa 180
240
Tensile Strength: Yield (Proof), MPa 51
210

Thermal Properties

Latent Heat of Fusion, J/g 350
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 650
890
Melting Onset (Solidus), °C 650
820
Specific Heat Capacity, J/kg-K 1000
360
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 170
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
39
Density, g/cm3 1.6
8.6
Embodied Carbon, kg CO2/kg material 24
4.5
Embodied Energy, MJ/kg 170
74
Embodied Water, L/kg 970
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
1.1
Resilience: Unit (Modulus of Resilience), kJ/m3 30
210
Stiffness to Weight: Axial, points 15
6.6
Stiffness to Weight: Bending, points 73
18
Strength to Weight: Axial, points 31
7.8
Strength to Weight: Bending, points 43
10
Thermal Shock Resistance, points 11
9.3

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0
79 to 82
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 98.7 to 99.6
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
18 to 20
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.6