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C94300 Bronze vs. Zamak 7

C94300 bronze belongs to the copper alloys classification, while Zamak 7 belongs to the zinc 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 C94300 bronze and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
86
Elongation at Break, % 9.7
13
Poisson's Ratio 0.36
0.25
Shear Modulus, GPa 32
33
Tensile Strength: Ultimate (UTS), MPa 180
280
Tensile Strength: Yield (Proof), MPa 120
250

Thermal Properties

Latent Heat of Fusion, J/g 150
120
Maximum Temperature: Mechanical, °C 110
95
Melting Completion (Liquidus), °C 820
390
Melting Onset (Solidus), °C 760
380
Specific Heat Capacity, J/kg-K 320
410
Thermal Conductivity, W/m-K 63
110
Thermal Expansion, µm/m-K 20
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
38

Otherwise Unclassified Properties

Base Metal Price, % relative 28
11
Density, g/cm3 9.3
6.4
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 370
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
36
Resilience: Unit (Modulus of Resilience), kJ/m3 77
370
Stiffness to Weight: Axial, points 5.2
7.5
Stiffness to Weight: Bending, points 16
23
Strength to Weight: Axial, points 5.2
12
Strength to Weight: Bending, points 7.4
15
Thermal Diffusivity, mm2/s 21
43
Thermal Shock Resistance, points 7.1
8.6

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 0.0020
Copper (Cu), % 67 to 72
0 to 0.25
Iron (Fe), % 0 to 0.15
0 to 0.075
Lead (Pb), % 23 to 27
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Nickel (Ni), % 0 to 1.0
0.0050 to 0.020
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.0
0 to 0.0010
Zinc (Zn), % 0 to 0.8
95.3 to 96.5
Residuals, % 0 to 1.0
0