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C94500 Bronze vs. CC767S Brass

Both C94500 bronze and CC767S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common.

For each property being compared, the top bar is C94500 bronze and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
86
Elastic (Young's, Tensile) Modulus, GPa 92
110
Elongation at Break, % 12
34
Poisson's Ratio 0.36
0.31
Shear Modulus, GPa 34
40
Tensile Strength: Ultimate (UTS), MPa 170
430
Tensile Strength: Yield (Proof), MPa 83
150

Thermal Properties

Latent Heat of Fusion, J/g 160
180
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 940
840
Melting Onset (Solidus), °C 800
790
Specific Heat Capacity, J/kg-K 330
390
Thermal Conductivity, W/m-K 52
110
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
32
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
36

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 3.2
2.7
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
110
Resilience: Unit (Modulus of Resilience), kJ/m3 37
100
Stiffness to Weight: Axial, points 5.5
7.3
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 5.2
15
Strength to Weight: Bending, points 7.4
16
Thermal Diffusivity, mm2/s 17
34
Thermal Shock Resistance, points 6.7
14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.1 to 0.8
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 66.7 to 78
58 to 64
Iron (Fe), % 0 to 0.15
0 to 0.5
Lead (Pb), % 16 to 22
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.2
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 6.0 to 8.0
0 to 0.1
Zinc (Zn), % 0 to 1.2
32.8 to 41.9