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CC498K Bronze vs. ISO-WD32250 Magnesium

CC498K bronze belongs to the copper alloys classification, while ISO-WD32250 magnesium belongs to the magnesium 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 CC498K bronze and the bottom bar is ISO-WD32250 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 14
4.5 to 8.6
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
17
Tensile Strength: Ultimate (UTS), MPa 260
310 to 330
Tensile Strength: Yield (Proof), MPa 130
240 to 290

Thermal Properties

Latent Heat of Fusion, J/g 190
340
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 1000
600
Melting Onset (Solidus), °C 920
550
Specific Heat Capacity, J/kg-K 370
980
Thermal Conductivity, W/m-K 73
130
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
25
Electrical Conductivity: Equal Weight (Specific), % IACS 10
130

Otherwise Unclassified Properties

Base Metal Price, % relative 32
13
Density, g/cm3 8.8
1.8
Embodied Carbon, kg CO2/kg material 3.2
24
Embodied Energy, MJ/kg 52
160
Embodied Water, L/kg 360
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
14 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 72
630 to 930
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
67
Strength to Weight: Axial, points 8.1
49 to 51
Strength to Weight: Bending, points 10
58 to 60
Thermal Diffusivity, mm2/s 22
72
Thermal Shock Resistance, points 9.3
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 85 to 90
0
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 1.0 to 2.0
0
Magnesium (Mg), % 0
94.9 to 97.1
Nickel (Ni), % 0 to 1.0
0
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
Zinc (Zn), % 3.0 to 5.0
2.5 to 4.0
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3