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AM60B Magnesium vs. C94400 Bronze

AM60B magnesium belongs to the magnesium alloys classification, while C94400 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 C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
55
Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 11
18
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 17
37
Tensile Strength: Ultimate (UTS), MPa 230
220
Tensile Strength: Yield (Proof), MPa 130
110

Thermal Properties

Latent Heat of Fusion, J/g 350
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 620
940
Melting Onset (Solidus), °C 540
790
Specific Heat Capacity, J/kg-K 1000
350
Thermal Conductivity, W/m-K 61
52
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
10
Electrical Conductivity: Equal Weight (Specific), % IACS 72
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 1.7
9.1
Embodied Carbon, kg CO2/kg material 23
3.4
Embodied Energy, MJ/kg 160
54
Embodied Water, L/kg 990
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
33
Resilience: Unit (Modulus of Resilience), kJ/m3 190
60
Stiffness to Weight: Axial, points 15
6.1
Stiffness to Weight: Bending, points 71
17
Strength to Weight: Axial, points 38
6.8
Strength to Weight: Bending, points 50
9.0
Thermal Diffusivity, mm2/s 37
17
Thermal Shock Resistance, points 14
8.3

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 0 to 0.010
76.1 to 84
Iron (Fe), % 0 to 0.0050
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0 to 0.22
0 to 0.8