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K1A Magnesium vs. C99600 Bronze

K1A magnesium belongs to the magnesium alloys classification, while C99600 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 C99600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
150
Elongation at Break, % 13
27 to 34
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
56
Tensile Strength: Ultimate (UTS), MPa 180
560
Tensile Strength: Yield (Proof), MPa 51
250 to 300

Thermal Properties

Latent Heat of Fusion, J/g 350
240
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 650
1100
Melting Onset (Solidus), °C 650
1050
Specific Heat Capacity, J/kg-K 1000
440
Thermal Expansion, µm/m-K 27
19

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 1.6
8.1
Embodied Carbon, kg CO2/kg material 24
3.2
Embodied Energy, MJ/kg 170
51
Embodied Water, L/kg 970
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 30
210 to 310
Stiffness to Weight: Axial, points 15
10
Stiffness to Weight: Bending, points 73
22
Strength to Weight: Axial, points 31
19
Strength to Weight: Bending, points 43
19
Thermal Shock Resistance, points 11
14

Alloy Composition


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Aluminum (Al), % 0
1.0 to 2.8
Carbon (C), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0
50.8 to 60
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 98.7 to 99.6
0
Manganese (Mn), % 0
39 to 45
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.3