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CC498K Bronze vs. Zamak 7

CC498K bronze belongs to the copper alloys classification, while Zamak 7 belongs to the zinc 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 CC498K bronze and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 78
80
Elastic (Young's, Tensile) Modulus, GPa 110
86
Elongation at Break, % 14
13
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 41
33
Tensile Strength: Ultimate (UTS), MPa 260
280
Tensile Strength: Yield (Proof), MPa 130
250

Thermal Properties

Latent Heat of Fusion, J/g 190
120
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 1000
390
Melting Onset (Solidus), °C 920
380
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 73
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 32
11
Density, g/cm3 8.8
6.4
Embodied Carbon, kg CO2/kg material 3.2
3.0
Embodied Energy, MJ/kg 52
57
Embodied Water, L/kg 360
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
36
Resilience: Unit (Modulus of Resilience), kJ/m3 72
370
Stiffness to Weight: Axial, points 6.9
7.5
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 8.1
12
Strength to Weight: Bending, points 10
15
Thermal Diffusivity, mm2/s 22
43
Thermal Shock Resistance, points 9.3
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.010
3.5 to 4.3
Antimony (Sb), % 0 to 0.25
0
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 85 to 90
0 to 0.25
Iron (Fe), % 0 to 0.25
0 to 0.075
Lead (Pb), % 1.0 to 2.0
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 0.050
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 5.5 to 6.5
0 to 0.0010
Zinc (Zn), % 3.0 to 5.0
95.3 to 96.5