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C90800 Bronze vs. ZA-27

C90800 bronze belongs to the copper alloys classification, while ZA-27 belongs to the zinc alloys. 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 C90800 bronze and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 110
78
Elongation at Break, % 13
2.0 to 4.5
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 40
31
Tensile Strength: Ultimate (UTS), MPa 330
400 to 430
Tensile Strength: Yield (Proof), MPa 170
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 190
130
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 990
480
Melting Onset (Solidus), °C 870
380
Specific Heat Capacity, J/kg-K 370
530
Thermal Conductivity, W/m-K 68
130
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
30
Electrical Conductivity: Equal Weight (Specific), % IACS 11
53

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 8.7
5.0
Embodied Carbon, kg CO2/kg material 3.8
4.2
Embodied Energy, MJ/kg 62
80
Embodied Water, L/kg 410
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 140
420 to 890
Stiffness to Weight: Axial, points 6.9
8.6
Stiffness to Weight: Bending, points 18
28
Strength to Weight: Axial, points 11
22 to 24
Strength to Weight: Bending, points 12
24 to 25
Thermal Diffusivity, mm2/s 21
47
Thermal Shock Resistance, points 12
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
25 to 28
Antimony (Sb), % 0 to 0.2
0
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 85.3 to 89
2.0 to 2.5
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 0 to 0.25
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Nickel (Ni), % 0 to 0.5
0 to 0.020
Phosphorus (P), % 0 to 0.3
0
Silicon (Si), % 0 to 0.0050
0 to 0.080
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 11 to 13
0 to 0.0030
Zinc (Zn), % 0 to 0.25
69.3 to 73