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CC760S Brass vs. CC482K Bronze

Both CC760S brass and CC482K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is CC760S brass and the bottom bar is CC482K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
99
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 22
5.6
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 180
300
Tensile Strength: Yield (Proof), MPa 80
160

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1000
980
Melting Onset (Solidus), °C 940
860
Specific Heat Capacity, J/kg-K 390
360
Thermal Conductivity, W/m-K 150
64
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
10
Electrical Conductivity: Equal Weight (Specific), % IACS 40
10

Otherwise Unclassified Properties

Base Metal Price, % relative 28
36
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 43
62
Embodied Water, L/kg 320
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
14
Resilience: Unit (Modulus of Resilience), kJ/m3 29
120
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 5.8
9.5
Strength to Weight: Bending, points 8.2
11
Thermal Diffusivity, mm2/s 45
20
Thermal Shock Resistance, points 6.2
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
83.5 to 87
Iron (Fe), % 0 to 0.15
0 to 0.2
Lead (Pb), % 0 to 0.5
0.7 to 2.5
Manganese (Mn), % 0 to 0.1
0 to 0.2
Nickel (Ni), % 0 to 0.1
0 to 2.0
Phosphorus (P), % 0
0 to 0.4
Silicon (Si), % 0 to 0.020
0 to 0.010
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.3
10.5 to 12.5
Zinc (Zn), % 10.7 to 17
0 to 2.0