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C49300 Brass vs. ZK60A Magnesium

C49300 brass belongs to the copper alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C49300 brass and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
46
Elongation at Break, % 4.5 to 20
4.5 to 9.9
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Shear Strength, MPa 270 to 290
170 to 190
Tensile Strength: Ultimate (UTS), MPa 430 to 520
320 to 330
Tensile Strength: Yield (Proof), MPa 210 to 410
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 880
600
Melting Onset (Solidus), °C 840
550
Specific Heat Capacity, J/kg-K 380
960
Thermal Conductivity, W/m-K 88
120
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 17
140

Otherwise Unclassified Properties

Base Metal Price, % relative 26
13
Density, g/cm3 8.0
1.9
Embodied Carbon, kg CO2/kg material 3.0
23
Embodied Energy, MJ/kg 50
160
Embodied Water, L/kg 370
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 71
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 800
570 to 690
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 15 to 18
47 to 49
Strength to Weight: Bending, points 16 to 18
55 to 56
Thermal Diffusivity, mm2/s 29
66
Thermal Shock Resistance, points 14 to 18
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Antimony (Sb), % 0 to 0.5
0
Bismuth (Bi), % 0.5 to 2.0
0
Copper (Cu), % 58 to 62
0
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
92.5 to 94.8
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 1.5
0
Phosphorus (P), % 0 to 0.2
0
Selenium (Se), % 0 to 0.2
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 1.0 to 1.8
0
Zinc (Zn), % 30.6 to 40.5
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3