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AM60A Magnesium vs. C90800 Bronze

AM60A magnesium belongs to the magnesium alloys classification, while C90800 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 AM60A magnesium and the bottom bar is C90800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
90
Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 8.8
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
40
Tensile Strength: Ultimate (UTS), MPa 230
330
Tensile Strength: Yield (Proof), MPa 130
170

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 620
990
Melting Onset (Solidus), °C 550
870
Specific Heat Capacity, J/kg-K 1000
370
Thermal Conductivity, W/m-K 62
68
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
11
Electrical Conductivity: Equal Weight (Specific), % IACS 69
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
3.8
Embodied Energy, MJ/kg 160
62
Embodied Water, L/kg 990
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
35
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140
Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 37
11
Strength to Weight: Bending, points 49
12
Thermal Diffusivity, mm2/s 37
21
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.35
85.3 to 89
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0
Nickel (Ni), % 0 to 0.030
0 to 0.5
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
11 to 13
Zinc (Zn), % 0 to 0.22
0 to 0.25