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Zamak 7 vs. C94500 Bronze

Zamak 7 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 (5, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
50
Elastic (Young's, Tensile) Modulus, GPa 86
92
Elongation at Break, % 13
12
Poisson's Ratio 0.25
0.36
Shear Modulus, GPa 33
34
Tensile Strength: Ultimate (UTS), MPa 280
170
Tensile Strength: Yield (Proof), MPa 250
83

Thermal Properties

Latent Heat of Fusion, J/g 120
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 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
10
Electrical Conductivity: Equal Weight (Specific), % IACS 38
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 6.4
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 36
17
Resilience: Unit (Modulus of Resilience), kJ/m3 370
37
Stiffness to Weight: Axial, points 7.5
5.5
Stiffness to Weight: Bending, points 23
16
Strength to Weight: Axial, points 12
5.2
Strength to Weight: Bending, points 15
7.4
Thermal Diffusivity, mm2/s 43
17
Thermal Shock Resistance, points 8.6
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 0.0020
0
Copper (Cu), % 0 to 0.25
66.7 to 78
Iron (Fe), % 0 to 0.075
0 to 0.15
Lead (Pb), % 0 to 0.0030
16 to 22
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.0010
6.0 to 8.0
Zinc (Zn), % 95.3 to 96.5
0 to 1.2