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CC761S Brass vs. EN-MC21210 Magnesium

CC761S brass belongs to the copper alloys classification, while EN-MC21210 magnesium belongs to the magnesium alloys. There are 29 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 CC761S brass and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
48
Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 8.7
14
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
17
Tensile Strength: Ultimate (UTS), MPa 540
190
Tensile Strength: Yield (Proof), MPa 340
90

Thermal Properties

Latent Heat of Fusion, J/g 260
350
Maximum Temperature: Mechanical, °C 170
100
Melting Completion (Liquidus), °C 960
600
Melting Onset (Solidus), °C 910
570
Specific Heat Capacity, J/kg-K 410
1000
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
24
Electrical Conductivity: Equal Weight (Specific), % IACS 43
130

Otherwise Unclassified Properties

Base Metal Price, % relative 27
12
Density, g/cm3 8.3
1.6
Embodied Carbon, kg CO2/kg material 2.7
24
Embodied Energy, MJ/kg 45
160
Embodied Water, L/kg 300
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
22
Resilience: Unit (Modulus of Resilience), kJ/m3 530
92
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
72
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
44
Thermal Diffusivity, mm2/s 8.0
76
Thermal Shock Resistance, points 19
11

Alloy Composition

Aluminum (Al), % 0 to 0.1
1.6 to 2.6
Antimony (Sb), % 0 to 0.050
0
Copper (Cu), % 78 to 83
0 to 0.010
Iron (Fe), % 0 to 0.6
0 to 0.0050
Lead (Pb), % 0 to 0.8
0
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 0 to 0.2
0.1 to 0.7
Nickel (Ni), % 0 to 1.0
0 to 0.0020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 3.0 to 5.0
0 to 0.1
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 8.9 to 19
0 to 0.2
Residuals, % 0
0 to 0.010