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CC752S Brass vs. ISO-WD32350 Magnesium

CC752S brass belongs to the copper alloys classification, while ISO-WD32350 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 CC752S brass and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
45
Elongation at Break, % 8.4
5.7 to 10
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Tensile Strength: Ultimate (UTS), MPa 350
250 to 290
Tensile Strength: Yield (Proof), MPa 190
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 170
340
Maximum Temperature: Mechanical, °C 130
95
Melting Completion (Liquidus), °C 840
600
Melting Onset (Solidus), °C 800
560
Specific Heat Capacity, J/kg-K 380
990
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 21
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
25
Electrical Conductivity: Equal Weight (Specific), % IACS 28
130

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.1
1.7
Embodied Carbon, kg CO2/kg material 2.7
23
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 330
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 180
210 to 380
Stiffness to Weight: Axial, points 7.1
15
Stiffness to Weight: Bending, points 19
68
Strength to Weight: Axial, points 12
39 to 46
Strength to Weight: Bending, points 13
50 to 55
Thermal Diffusivity, mm2/s 35
73
Thermal Shock Resistance, points 12
16 to 18

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
0 to 0.1
Antimony (Sb), % 0 to 0.14
0
Arsenic (As), % 0.040 to 0.14
0
Copper (Cu), % 61.5 to 64.5
0 to 0.1
Iron (Fe), % 0 to 0.3
0 to 0.060
Lead (Pb), % 1.5 to 2.2
0
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0 to 0.1
0.6 to 1.3
Nickel (Ni), % 0 to 0.2
0 to 0.0050
Silicon (Si), % 0 to 0.020
0 to 0.1
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 31.5 to 36.7
1.8 to 2.3
Residuals, % 0
0 to 0.3