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CC491K Bronze vs. C43500 Brass

Both CC491K bronze and C43500 brass are copper alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
8.5 to 46
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 260
320 to 530
Tensile Strength: Yield (Proof), MPa 120
120 to 480

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 980
1000
Melting Onset (Solidus), °C 900
970
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 71
120
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
28
Electrical Conductivity: Equal Weight (Specific), % IACS 15
30

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 350
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
44 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 67
65 to 1040
Stiffness to Weight: Axial, points 6.7
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.1
10 to 17
Strength to Weight: Bending, points 10
12 to 17
Thermal Diffusivity, mm2/s 22
37
Thermal Shock Resistance, points 9.3
11 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 81 to 87
79 to 83
Iron (Fe), % 0 to 0.3
0 to 0.050
Lead (Pb), % 4.0 to 6.0
0 to 0.090
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
0.6 to 1.2
Zinc (Zn), % 4.0 to 6.0
15.4 to 20.4
Residuals, % 0
0 to 0.3