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CC498K Bronze vs. EZ33A Magnesium

CC498K bronze belongs to the copper alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 CC498K bronze and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 78
55
Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 14
2.6
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
17
Tensile Strength: Ultimate (UTS), MPa 260
150
Tensile Strength: Yield (Proof), MPa 130
100

Thermal Properties

Latent Heat of Fusion, J/g 190
330
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 1000
640
Melting Onset (Solidus), °C 920
570
Specific Heat Capacity, J/kg-K 370
970
Thermal Conductivity, W/m-K 73
100
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
24
Electrical Conductivity: Equal Weight (Specific), % IACS 10
110

Otherwise Unclassified Properties

Base Metal Price, % relative 32
25
Density, g/cm3 8.8
1.9
Embodied Carbon, kg CO2/kg material 3.2
25
Embodied Energy, MJ/kg 52
190
Embodied Water, L/kg 360
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 72
120
Stiffness to Weight: Axial, points 6.9
13
Stiffness to Weight: Bending, points 18
61
Strength to Weight: Axial, points 8.1
22
Strength to Weight: Bending, points 10
33
Thermal Diffusivity, mm2/s 22
54
Thermal Shock Resistance, points 9.3
9.2

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 85 to 90
0 to 0.1
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 1.0 to 2.0
0
Magnesium (Mg), % 0
91.5 to 95
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 5.5 to 6.5
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 3.0 to 5.0
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3