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CC491K Bronze vs. C26800 Brass

Both CC491K bronze and C26800 brass are copper alloys. They have 71% of their average alloy composition in common. There are 24 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 C26800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 260
310 to 650

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 980
930
Melting Onset (Solidus), °C 900
900
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 71
120
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
27
Electrical Conductivity: Equal Weight (Specific), % IACS 15
30

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 350
320

Common Calculations

Stiffness to Weight: Axial, points 6.7
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.1
11 to 22
Strength to Weight: Bending, points 10
13 to 21
Thermal Diffusivity, mm2/s 22
37
Thermal Shock Resistance, points 9.3
10 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 81 to 87
64 to 68.5
Iron (Fe), % 0 to 0.3
0 to 0.050
Lead (Pb), % 4.0 to 6.0
0 to 0.15
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
31 to 36
Residuals, % 0
0 to 0.3