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Zamak 7 vs. C92300 Bronze

Zamak 7 belongs to the zinc alloys classification, while C92300 bronze belongs to the copper alloys. There are 28 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 7 and the bottom bar is C92300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
110
Elongation at Break, % 13
19
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
40
Tensile Strength: Ultimate (UTS), MPa 280
300
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 120
190
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
1000
Melting Onset (Solidus), °C 380
850
Specific Heat Capacity, J/kg-K 410
370
Thermal Conductivity, W/m-K 110
75
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
12
Electrical Conductivity: Equal Weight (Specific), % IACS 38
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 6.4
8.7
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 57
56
Embodied Water, L/kg 380
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
47
Resilience: Unit (Modulus of Resilience), kJ/m3 370
86
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 12
9.5
Strength to Weight: Bending, points 15
11
Thermal Diffusivity, mm2/s 43
23
Thermal Shock Resistance, points 8.6
11

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
85 to 89
Iron (Fe), % 0 to 0.075
0 to 0.25
Lead (Pb), % 0 to 0.0030
0.3 to 1.0
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.0010
7.5 to 9.0
Zinc (Zn), % 95.3 to 96.5
2.5 to 5.0
Residuals, % 0
0 to 0.7