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CC493K Bronze vs. M1A Magnesium

CC493K bronze belongs to the copper alloys classification, while M1A 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 CC493K bronze and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
45
Elongation at Break, % 14
5.5
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 39
18
Tensile Strength: Ultimate (UTS), MPa 270
230
Tensile Strength: Yield (Proof), MPa 140
130

Thermal Properties

Latent Heat of Fusion, J/g 180
350
Maximum Temperature: Mechanical, °C 160
95
Melting Completion (Liquidus), °C 960
610
Melting Onset (Solidus), °C 880
580
Specific Heat Capacity, J/kg-K 360
990
Thermal Conductivity, W/m-K 61
150
Thermal Expansion, µm/m-K 19
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
35
Electrical Conductivity: Equal Weight (Specific), % IACS 12
190

Otherwise Unclassified Properties

Base Metal Price, % relative 32
12
Density, g/cm3 8.9
1.7
Embodied Carbon, kg CO2/kg material 3.3
24
Embodied Energy, MJ/kg 53
160
Embodied Water, L/kg 370
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
11
Resilience: Unit (Modulus of Resilience), kJ/m3 89
180
Stiffness to Weight: Axial, points 6.5
15
Stiffness to Weight: Bending, points 18
71
Strength to Weight: Axial, points 8.6
38
Strength to Weight: Bending, points 11
49
Thermal Diffusivity, mm2/s 19
88
Thermal Shock Resistance, points 10
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.3
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 79 to 86
0 to 0.050
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 5.0 to 8.0
0
Magnesium (Mg), % 0
97.2 to 98.8
Manganese (Mn), % 0
1.2 to 2.0
Nickel (Ni), % 0 to 2.0
0 to 0.010
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.1
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 5.2 to 8.0
0
Zinc (Zn), % 2.0 to 5.0
0
Residuals, % 0
0 to 0.3