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Zamak 2 vs. C84200 Brass

Zamak 2 belongs to the zinc alloys classification, while C84200 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 6.0
15
Poisson's Ratio 0.26
0.33
Shear Modulus, GPa 33
40
Tensile Strength: Ultimate (UTS), MPa 360
250
Tensile Strength: Yield (Proof), MPa 270
120

Thermal Properties

Latent Heat of Fusion, J/g 130
180
Maximum Temperature: Mechanical, °C 95
150
Melting Completion (Liquidus), °C 390
990
Melting Onset (Solidus), °C 380
840
Specific Heat Capacity, J/kg-K 410
370
Thermal Conductivity, W/m-K 110
72
Thermal Expansion, µm/m-K 28
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
16
Electrical Conductivity: Equal Weight (Specific), % IACS 35
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 6.5
8.5
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 57
51
Embodied Water, L/kg 380
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
31
Resilience: Unit (Modulus of Resilience), kJ/m3 420
72
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 15
8.2
Strength to Weight: Bending, points 17
10
Thermal Diffusivity, mm2/s 41
23
Thermal Shock Resistance, points 11
9.1

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 2.5 to 3.3
78 to 82
Iron (Fe), % 0 to 0.1
0 to 0.4
Lead (Pb), % 0 to 0.0050
2.0 to 3.0
Magnesium (Mg), % 0.020 to 0.060
0
Nickel (Ni), % 0 to 0.020
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.030
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.0030
4.0 to 6.0
Zinc (Zn), % 92.2 to 94
10 to 16
Residuals, % 0
0 to 0.7