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CC760S Brass vs. CC333G Bronze

Both CC760S brass and CC333G bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is CC760S brass and the bottom bar is CC333G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
170
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 22
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 180
710
Tensile Strength: Yield (Proof), MPa 80
310

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 1000
1080
Melting Onset (Solidus), °C 940
1020
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 150
38
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 40
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 28
29
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.6
3.5
Embodied Energy, MJ/kg 43
56
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
75
Resilience: Unit (Modulus of Resilience), kJ/m3 29
410
Stiffness to Weight: Axial, points 7.2
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 5.8
24
Strength to Weight: Bending, points 8.2
21
Thermal Diffusivity, mm2/s 45
10
Thermal Shock Resistance, points 6.2
24

Alloy Composition

Aluminum (Al), % 0 to 0.010
8.5 to 10.5
Arsenic (As), % 0.050 to 0.15
0
Bismuth (Bi), % 0
0 to 0.010
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 83 to 88
76 to 83
Iron (Fe), % 0 to 0.15
3.0 to 5.5
Lead (Pb), % 0 to 0.5
0 to 0.030
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.1
0 to 3.0
Nickel (Ni), % 0 to 0.1
3.7 to 6.0
Silicon (Si), % 0 to 0.020
0 to 0.1
Tin (Sn), % 0 to 0.3
0 to 0.1
Zinc (Zn), % 10.7 to 17
0 to 0.5