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C38500 Bronze vs. ZE41A Magnesium

C38500 bronze belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 C38500 bronze and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
45
Elongation at Break, % 17
3.3
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 37
18
Shear Strength, MPa 230
150
Tensile Strength: Ultimate (UTS), MPa 370
210
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

Latent Heat of Fusion, J/g 160
330
Maximum Temperature: Mechanical, °C 110
150
Melting Completion (Liquidus), °C 890
640
Melting Onset (Solidus), °C 880
540
Specific Heat Capacity, J/kg-K 380
970
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
27
Electrical Conductivity: Equal Weight (Specific), % IACS 31
130

Otherwise Unclassified Properties

Base Metal Price, % relative 22
18
Density, g/cm3 8.1
1.9
Embodied Carbon, kg CO2/kg material 2.6
24
Embodied Energy, MJ/kg 45
170
Embodied Water, L/kg 320
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 78
220
Stiffness to Weight: Axial, points 7.0
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 13
31
Strength to Weight: Bending, points 14
41
Thermal Diffusivity, mm2/s 40
59
Thermal Shock Resistance, points 12
12

Alloy Composition

Copper (Cu), % 55 to 59
0 to 0.1
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 2.5 to 3.5
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 36.7 to 42.5
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3