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C86200 Bronze vs. ZA-12

C86200 bronze belongs to the copper alloys classification, while ZA-12 belongs to the zinc alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C86200 bronze and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
83
Elongation at Break, % 21
1.6 to 5.3
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 42
33
Tensile Strength: Ultimate (UTS), MPa 710
260 to 400
Tensile Strength: Yield (Proof), MPa 350
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 190
120
Maximum Temperature: Mechanical, °C 160
100
Melting Completion (Liquidus), °C 940
430
Melting Onset (Solidus), °C 900
380
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 35
120
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
42

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.0
6.0
Embodied Carbon, kg CO2/kg material 2.9
3.4
Embodied Energy, MJ/kg 49
64
Embodied Water, L/kg 340
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 540
260 to 620
Stiffness to Weight: Axial, points 7.8
7.6
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 25
12 to 19
Strength to Weight: Bending, points 22
15 to 20
Thermal Diffusivity, mm2/s 11
43
Thermal Shock Resistance, points 23
9.4 to 14

Alloy Composition

Aluminum (Al), % 3.0 to 4.9
10.5 to 11.5
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 60 to 66
0.5 to 1.2
Iron (Fe), % 2.0 to 4.0
0 to 0.075
Lead (Pb), % 0 to 0.2
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0 to 1.0
0 to 0.020
Silicon (Si), % 0
0 to 0.060
Tin (Sn), % 0 to 0.2
0 to 0.0030
Zinc (Zn), % 22 to 28
87.1 to 89
Residuals, % 0 to 1.0
0