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AM60B Magnesium vs. CR004A Copper

AM60B magnesium belongs to the magnesium alloys classification, while CR004A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 CR004A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 11
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Tensile Strength: Ultimate (UTS), MPa 230
220
Tensile Strength: Yield (Proof), MPa 130
130

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 620
1090
Melting Onset (Solidus), °C 540
1040
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 61
380
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
100
Electrical Conductivity: Equal Weight (Specific), % IACS 72
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.7
9.0
Embodied Carbon, kg CO2/kg material 23
2.6
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 990
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
29
Resilience: Unit (Modulus of Resilience), kJ/m3 190
76
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 38
6.8
Strength to Weight: Bending, points 50
9.0
Thermal Diffusivity, mm2/s 37
110
Thermal Shock Resistance, points 14
7.8

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 0 to 0.010
99.9 to 100
Iron (Fe), % 0 to 0.0050
0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Oxygen (O), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.22
0