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Zamak 2 vs. C94500 Bronze

Zamak 2 belongs to the zinc alloys classification, while C94500 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
50
Elastic (Young's, Tensile) Modulus, GPa 87
92
Elongation at Break, % 6.0
12
Poisson's Ratio 0.26
0.36
Shear Modulus, GPa 33
34
Tensile Strength: Ultimate (UTS), MPa 360
170
Tensile Strength: Yield (Proof), MPa 270
83

Thermal Properties

Latent Heat of Fusion, J/g 130
160
Maximum Temperature: Mechanical, °C 95
130
Melting Completion (Liquidus), °C 390
940
Melting Onset (Solidus), °C 380
800
Specific Heat Capacity, J/kg-K 410
330
Thermal Conductivity, W/m-K 110
52
Thermal Expansion, µm/m-K 28
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
10
Electrical Conductivity: Equal Weight (Specific), % IACS 35
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 6.5
9.3
Embodied Carbon, kg CO2/kg material 3.0
3.2
Embodied Energy, MJ/kg 57
51
Embodied Water, L/kg 380
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
17
Resilience: Unit (Modulus of Resilience), kJ/m3 420
37
Stiffness to Weight: Axial, points 7.5
5.5
Stiffness to Weight: Bending, points 23
16
Strength to Weight: Axial, points 15
5.2
Strength to Weight: Bending, points 17
7.4
Thermal Diffusivity, mm2/s 41
17
Thermal Shock Resistance, points 11
6.7

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 2.5 to 3.3
66.7 to 78
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0 to 0.0050
16 to 22
Magnesium (Mg), % 0.020 to 0.060
0
Nickel (Ni), % 0 to 0.020
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.030
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.0030
6.0 to 8.0
Zinc (Zn), % 92.2 to 94
0 to 1.2