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C61400 Bronze vs. ZE41A Magnesium

C61400 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 C61400 bronze and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 34 to 40
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
18
Shear Strength, MPa 370 to 380
150
Tensile Strength: Ultimate (UTS), MPa 540 to 570
210
Tensile Strength: Yield (Proof), MPa 220 to 270
140

Thermal Properties

Latent Heat of Fusion, J/g 220
330
Maximum Temperature: Mechanical, °C 220
150
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 1040
540
Specific Heat Capacity, J/kg-K 420
970
Thermal Conductivity, W/m-K 67
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
27
Electrical Conductivity: Equal Weight (Specific), % IACS 15
130

Otherwise Unclassified Properties

Base Metal Price, % relative 28
18
Density, g/cm3 8.5
1.9
Embodied Carbon, kg CO2/kg material 3.0
24
Embodied Energy, MJ/kg 48
170
Embodied Water, L/kg 360
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 170
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 310
220
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 18 to 19
31
Strength to Weight: Bending, points 17 to 18
41
Thermal Diffusivity, mm2/s 19
59
Thermal Shock Resistance, points 18 to 20
12

Alloy Composition

Aluminum (Al), % 6.0 to 8.0
0
Copper (Cu), % 86 to 92.5
0 to 0.1
Iron (Fe), % 1.5 to 3.5
0
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 1.0
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.015
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 1.0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3