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ZK61A Magnesium vs. C35600 Brass

ZK61A magnesium belongs to the magnesium alloys classification, while C35600 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 ZK61A magnesium and the bottom bar is C35600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
100
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 18
39
Tensile Strength: Ultimate (UTS), MPa 290 to 310
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 330
170
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 530
890
Specific Heat Capacity, J/kg-K 960
380
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
26
Electrical Conductivity: Equal Weight (Specific), % IACS 130
29

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 1.9
8.1
Embodied Carbon, kg CO2/kg material 23
2.6
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 940
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 42 to 45
11 to 22
Strength to Weight: Bending, points 50 to 53
13 to 21
Thermal Diffusivity, mm2/s 65
38
Thermal Shock Resistance, points 17 to 18
11 to 22

Alloy Composition

Copper (Cu), % 0 to 0.1
60 to 63
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
2.0 to 3.0
Magnesium (Mg), % 92.1 to 93.9
0
Nickel (Ni), % 0 to 0.010
0
Zinc (Zn), % 5.5 to 6.5
33.4 to 38
Zirconium (Zr), % 0.6 to 1.0
0
Residuals, % 0
0 to 0.5