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C94500 Bronze vs. Zamak 2

C94500 bronze belongs to the copper alloys classification, while Zamak 2 belongs to the zinc 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 C94500 bronze and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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