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CC483K Bronze vs. CC760S Brass

Both CC483K bronze and CC760S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is CC483K bronze and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 97
51
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.4
22
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 310
180
Tensile Strength: Yield (Proof), MPa 170
80

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 990
1000
Melting Onset (Solidus), °C 870
940
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 68
150
Thermal Expansion, µm/m-K 18
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 36
28
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 3.8
2.6
Embodied Energy, MJ/kg 62
43
Embodied Water, L/kg 400
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
33
Resilience: Unit (Modulus of Resilience), kJ/m3 130
29
Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.9
5.8
Strength to Weight: Bending, points 12
8.2
Thermal Diffusivity, mm2/s 21
45
Thermal Shock Resistance, points 11
6.2

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.15
0
Arsenic (As), % 0
0.050 to 0.15
Copper (Cu), % 85 to 89
83 to 88
Iron (Fe), % 0 to 0.2
0 to 0.15
Lead (Pb), % 0 to 0.7
0 to 0.5
Manganese (Mn), % 0 to 0.2
0 to 0.1
Nickel (Ni), % 0 to 2.0
0 to 0.1
Phosphorus (P), % 0 to 0.6
0
Silicon (Si), % 0 to 0.010
0 to 0.020
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 10.5 to 13
0 to 0.3
Zinc (Zn), % 0 to 0.5
10.7 to 17