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CC482K Bronze vs. EQ21A Magnesium

CC482K bronze belongs to the copper alloys classification, while EQ21A magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 CC482K bronze and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 99
80
Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 5.6
2.4
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
17
Tensile Strength: Ultimate (UTS), MPa 300
250
Tensile Strength: Yield (Proof), MPa 160
190

Thermal Properties

Latent Heat of Fusion, J/g 190
340
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 980
640
Melting Onset (Solidus), °C 860
560
Specific Heat Capacity, J/kg-K 360
980
Thermal Conductivity, W/m-K 64
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
25
Electrical Conductivity: Equal Weight (Specific), % IACS 10
120

Otherwise Unclassified Properties

Base Metal Price, % relative 36
80
Density, g/cm3 8.8
1.9
Embodied Carbon, kg CO2/kg material 3.8
27
Embodied Energy, MJ/kg 62
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 120
410
Stiffness to Weight: Axial, points 6.8
13
Stiffness to Weight: Bending, points 18
63
Strength to Weight: Axial, points 9.5
37
Strength to Weight: Bending, points 11
47
Thermal Diffusivity, mm2/s 20
62
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 83.5 to 87
0.050 to 0.1
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0.7 to 2.5
0
Magnesium (Mg), % 0
93.9 to 96.8
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 2.0
0 to 0.010
Phosphorus (P), % 0 to 0.4
0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 0
1.3 to 1.7
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 10.5 to 12.5
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0 to 2.0
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3