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ISO-WD32250 Magnesium vs. C93600 Bronze

ISO-WD32250 magnesium belongs to the magnesium alloys classification, while C93600 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 ISO-WD32250 magnesium and the bottom bar is C93600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
99
Elongation at Break, % 4.5 to 8.6
14
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 17
36
Tensile Strength: Ultimate (UTS), MPa 310 to 330
260
Tensile Strength: Yield (Proof), MPa 240 to 290
140

Thermal Properties

Latent Heat of Fusion, J/g 340
170
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 600
940
Melting Onset (Solidus), °C 550
840
Specific Heat Capacity, J/kg-K 980
350
Thermal Conductivity, W/m-K 130
49
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 130
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 1.8
9.0
Embodied Carbon, kg CO2/kg material 24
3.2
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 950
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 26
31
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 930
98
Stiffness to Weight: Axial, points 14
6.1
Stiffness to Weight: Bending, points 67
17
Strength to Weight: Axial, points 49 to 51
7.9
Strength to Weight: Bending, points 58 to 60
9.9
Thermal Diffusivity, mm2/s 72
16
Thermal Shock Resistance, points 19 to 20
9.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.55
Copper (Cu), % 0
79 to 83
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
11 to 13
Magnesium (Mg), % 94.9 to 97.1
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 2.5 to 4.0
0 to 1.0
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0
0 to 0.7