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C67500 Bronze vs. ZA-8

C67500 bronze belongs to the copper alloys classification, while ZA-8 belongs to the zinc alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C67500 bronze and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
85 to 86
Elongation at Break, % 14 to 33
1.3 to 8.0
Poisson's Ratio 0.3
0.26
Shear Modulus, GPa 40
34
Shear Strength, MPa 270 to 350
240 to 280
Tensile Strength: Ultimate (UTS), MPa 430 to 580
210 to 370
Tensile Strength: Yield (Proof), MPa 170 to 370
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 170
110
Maximum Temperature: Mechanical, °C 120
100
Melting Completion (Liquidus), °C 890
400
Melting Onset (Solidus), °C 870
380
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
28
Electrical Conductivity: Equal Weight (Specific), % IACS 27
40

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.0
6.3
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 47
62
Embodied Water, L/kg 330
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 130
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 650
260 to 490
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 15 to 20
9.3 to 17
Strength to Weight: Bending, points 16 to 19
12 to 18
Thermal Diffusivity, mm2/s 34
42
Thermal Shock Resistance, points 14 to 19
7.6 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.25
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 57 to 60
0.8 to 1.3
Iron (Fe), % 0.8 to 2.0
0 to 0.075
Lead (Pb), % 0 to 0.2
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0.050 to 0.5
0
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.045
Tin (Sn), % 0.5 to 1.5
0 to 0.0030
Zinc (Zn), % 35.1 to 41.7
89.7 to 91.2
Residuals, % 0 to 0.5
0

Comparable Variants