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Zamak 5 vs. C93700 Bronze

Zamak 5 belongs to the zinc alloys classification, while C93700 bronze belongs to the copper alloys. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is C93700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 600
210
Elastic (Young's, Tensile) Modulus, GPa 87
99
Elongation at Break, % 6.3
20
Fatigue Strength, MPa 56
90
Poisson's Ratio 0.25
0.35
Rockwell B Hardness 57
60
Shear Modulus, GPa 33
37
Tensile Strength: Ultimate (UTS), MPa 330
240
Tensile Strength: Yield (Proof), MPa 240
130

Thermal Properties

Latent Heat of Fusion, J/g 120
170
Maximum Temperature: Mechanical, °C 95
140
Melting Completion (Liquidus), °C 390
930
Melting Onset (Solidus), °C 380
760
Solidification (Pattern Maker's) Shrinkage, % 1.2
1.1
Specific Heat Capacity, J/kg-K 410
350
Thermal Conductivity, W/m-K 110
47
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
10
Electrical Conductivity: Equal Weight (Specific), % IACS 37
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
33
Density, g/cm3 6.4
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.5
Embodied Energy, MJ/kg 57
57
Embodied Water, L/kg 380
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
40
Resilience: Unit (Modulus of Resilience), kJ/m3 330
79
Stiffness to Weight: Axial, points 7.5
6.2
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 14
7.5
Strength to Weight: Bending, points 16
9.6
Thermal Diffusivity, mm2/s 42
15
Thermal Shock Resistance, points 9.9
9.4

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0.7 to 1.3
78 to 82
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0 to 0.0050
8.0 to 11
Magnesium (Mg), % 0.025 to 0.080
0
Nickel (Ni), % 0 to 0.020
0 to 1.0
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
9.0 to 11
Zinc (Zn), % 94.3 to 95.7
0 to 0.8
Residuals, % 0
0 to 1.0