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CC751S Brass vs. ISO-WD32350 Magnesium

CC751S 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 CC751S brass and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 5.6
5.7 to 10
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Tensile Strength: Ultimate (UTS), MPa 450
250 to 290
Tensile Strength: Yield (Proof), MPa 320
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 190
340
Maximum Temperature: Mechanical, °C 130
95
Melting Completion (Liquidus), °C 850
600
Melting Onset (Solidus), °C 810
560
Specific Heat Capacity, J/kg-K 390
990
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 20
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 2.8
23
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 330
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 480
210 to 380
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
68
Strength to Weight: Axial, points 15
39 to 46
Strength to Weight: Bending, points 16
50 to 55
Thermal Diffusivity, mm2/s 35
73
Thermal Shock Resistance, points 15
16 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.1
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 62.7 to 66
0 to 0.1
Iron (Fe), % 0.25 to 0.5
0 to 0.060
Lead (Pb), % 0.8 to 2.2
0
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0 to 0.15
0.6 to 1.3
Nickel (Ni), % 0 to 0.8
0 to 0.0050
Silicon (Si), % 0.65 to 1.1
0 to 0.1
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
1.8 to 2.3
Residuals, % 0
0 to 0.3