AZ63A Magnesium vs. C68100 Brass
AZ63A magnesium belongs to the magnesium alloys classification, while C68100 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 AZ63A magnesium and the bottom bar is C68100 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 46 | |
100 |
Elongation at Break, % | 2.2 to 8.0 | |
29 |
Poisson's Ratio | 0.29 | |
0.3 |
Shear Modulus, GPa | 18 | |
40 |
Tensile Strength: Ultimate (UTS), MPa | 190 to 270 | |
380 |
Tensile Strength: Yield (Proof), MPa | 81 to 120 | |
140 |
Thermal Properties
Latent Heat of Fusion, J/g | 350 | |
170 |
Maximum Temperature: Mechanical, °C | 120 | |
120 |
Melting Completion (Liquidus), °C | 610 | |
890 |
Melting Onset (Solidus), °C | 450 | |
870 |
Specific Heat Capacity, J/kg-K | 980 | |
390 |
Thermal Conductivity, W/m-K | 52 to 65 | |
98 |
Thermal Expansion, µm/m-K | 26 | |
21 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 12 to 15 | |
24 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 59 to 74 | |
27 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 12 | |
23 |
Density, g/cm3 | 1.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 22 | |
2.8 |
Embodied Energy, MJ/kg | 150 | |
47 |
Embodied Water, L/kg | 970 | |
330 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.7 to 16 | |
86 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 71 to 160 | |
94 |
Stiffness to Weight: Axial, points | 14 | |
7.3 |
Stiffness to Weight: Bending, points | 66 | |
20 |
Strength to Weight: Axial, points | 29 to 41 | |
13 |
Strength to Weight: Bending, points | 40 to 51 | |
15 |
Thermal Diffusivity, mm2/s | 29 to 37 | |
32 |
Thermal Shock Resistance, points | 11 to 16 | |
13 |
Alloy Composition
Aluminum (Al), % | 5.3 to 6.7 | |
0 to 0.010 |
Copper (Cu), % | 0 to 0.25 | |
56 to 60 |
Iron (Fe), % | 0 | |
0.25 to 1.3 |
Lead (Pb), % | 0 | |
0 to 0.050 |
Magnesium (Mg), % | 88.6 to 92.1 | |
0 |
Manganese (Mn), % | 0.15 to 0.35 | |
0.010 to 0.5 |
Nickel (Ni), % | 0 to 0.010 | |
0 |
Silicon (Si), % | 0 to 0.3 | |
0.040 to 0.15 |
Tin (Sn), % | 0 | |
0.75 to 1.1 |
Zinc (Zn), % | 2.5 to 3.5 | |
36.4 to 43 |
Residuals, % | 0 | |
0 to 0.5 |