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C99750 Brass vs. ZC63A Magnesium

C99750 brass belongs to the copper alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 C99750 brass and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 120
60
Elastic (Young's, Tensile) Modulus, GPa 130
48
Elongation at Break, % 20 to 30
3.3
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 48
19
Tensile Strength: Ultimate (UTS), MPa 450 to 520
220
Tensile Strength: Yield (Proof), MPa 220 to 280
130

Thermal Properties

Latent Heat of Fusion, J/g 200
330
Maximum Temperature: Mechanical, °C 160
98
Melting Completion (Liquidus), °C 840
550
Melting Onset (Solidus), °C 820
470
Specific Heat Capacity, J/kg-K 410
950
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
32
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 8.1
2.1
Embodied Carbon, kg CO2/kg material 3.1
22
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 310
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
190
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 21
58
Strength to Weight: Axial, points 15 to 18
29
Strength to Weight: Bending, points 16 to 18
38
Thermal Shock Resistance, points 13 to 15
12

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0
Copper (Cu), % 55 to 61
2.4 to 3.0
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0.5 to 2.5
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 17 to 23
0.25 to 0.75
Nickel (Ni), % 0 to 5.0
0 to 0.010
Silicon (Si), % 0
0 to 0.2
Zinc (Zn), % 17 to 23
5.5 to 6.5
Residuals, % 0
0 to 0.3