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CC491K Bronze vs. ZA-27

CC491K 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 CC491K bronze and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
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 260
400 to 430
Tensile Strength: Yield (Proof), MPa 120
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 190
130
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 980
480
Melting Onset (Solidus), °C 900
380
Specific Heat Capacity, J/kg-K 370
530
Thermal Conductivity, W/m-K 71
130
Thermal Expansion, µm/m-K 19
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
30
Electrical Conductivity: Equal Weight (Specific), % IACS 15
53

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.9
5.0
Embodied Carbon, kg CO2/kg material 3.1
4.2
Embodied Energy, MJ/kg 51
80
Embodied Water, L/kg 350
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 67
420 to 890
Stiffness to Weight: Axial, points 6.7
8.6
Stiffness to Weight: Bending, points 18
28
Strength to Weight: Axial, points 8.1
22 to 24
Strength to Weight: Bending, points 10
24 to 25
Thermal Diffusivity, mm2/s 22
47
Thermal Shock Resistance, points 9.3
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.010
25 to 28
Antimony (Sb), % 0 to 0.25
0
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 81 to 87
2.0 to 2.5
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 4.0 to 6.0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Nickel (Ni), % 0 to 2.0
0 to 0.020
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.080
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0 to 0.0030
Zinc (Zn), % 4.0 to 6.0
69.3 to 73