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ZA-27 vs. C91700 Bronze

ZA-27 belongs to the zinc alloys classification, while C91700 bronze belongs to the copper 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 ZA-27 and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
90
Elastic (Young's, Tensile) Modulus, GPa 78
110
Elongation at Break, % 2.0 to 4.5
13
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 31
41
Tensile Strength: Ultimate (UTS), MPa 400 to 430
330
Tensile Strength: Yield (Proof), MPa 260 to 370
170

Thermal Properties

Latent Heat of Fusion, J/g 130
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 480
1020
Melting Onset (Solidus), °C 380
850
Specific Heat Capacity, J/kg-K 530
370
Thermal Conductivity, W/m-K 130
71
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
10
Electrical Conductivity: Equal Weight (Specific), % IACS 53
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 5.0
8.7
Embodied Carbon, kg CO2/kg material 4.2
3.9
Embodied Energy, MJ/kg 80
63
Embodied Water, L/kg 570
400

Common Calculations

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

Alloy Composition

Aluminum (Al), % 25 to 28
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Cadmium (Cd), % 0 to 0.0060
0
Copper (Cu), % 2.0 to 2.5
84.2 to 87.5
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.0060
0 to 0.25
Magnesium (Mg), % 0.010 to 0.020
0
Nickel (Ni), % 0 to 0.020
1.2 to 2.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0 to 0.080
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.0030
11.3 to 12.5
Zinc (Zn), % 69.3 to 73
0 to 0.25