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AM60B Magnesium vs. CC493K Bronze

AM60B magnesium belongs to the magnesium alloys classification, while CC493K bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 AM60B magnesium and the bottom bar is CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
74
Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 11
14
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
39
Tensile Strength: Ultimate (UTS), MPa 230
270
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

Latent Heat of Fusion, J/g 350
180
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 620
960
Melting Onset (Solidus), °C 540
880
Specific Heat Capacity, J/kg-K 1000
360
Thermal Conductivity, W/m-K 61
61
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
12
Electrical Conductivity: Equal Weight (Specific), % IACS 72
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 23
3.3
Embodied Energy, MJ/kg 160
53
Embodied Water, L/kg 990
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
33
Resilience: Unit (Modulus of Resilience), kJ/m3 190
89
Stiffness to Weight: Axial, points 15
6.5
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 38
8.6
Strength to Weight: Bending, points 50
11
Thermal Diffusivity, mm2/s 37
19
Thermal Shock Resistance, points 14
10

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 0 to 0.010
79 to 86
Iron (Fe), % 0 to 0.0050
0 to 0.2
Lead (Pb), % 0
5.0 to 8.0
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.1
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.2 to 8.0
Zinc (Zn), % 0 to 0.22
2.0 to 5.0