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C91100 Bronze vs. CC760S Brass

Both C91100 bronze and CC760S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% 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 C91100 bronze and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 2.0
22
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 240
180
Tensile Strength: Yield (Proof), MPa 170
80

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 950
1000
Melting Onset (Solidus), °C 820
940
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 63
150
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
38
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
40

Otherwise Unclassified Properties

Base Metal Price, % relative 38
28
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 69
43
Embodied Water, L/kg 440
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
33
Resilience: Unit (Modulus of Resilience), kJ/m3 140
29
Stiffness to Weight: Axial, points 6.7
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.7
5.8
Strength to Weight: Bending, points 9.9
8.2
Thermal Diffusivity, mm2/s 20
45
Thermal Shock Resistance, points 9.1
6.2

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0
0.050 to 0.15
Copper (Cu), % 82 to 85
83 to 88
Iron (Fe), % 0 to 0.25
0 to 0.15
Lead (Pb), % 0 to 0.25
0 to 0.5
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.5
0 to 0.1
Phosphorus (P), % 0 to 1.0
0
Silicon (Si), % 0 to 0.0050
0 to 0.020
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 15 to 17
0 to 0.3
Zinc (Zn), % 0 to 0.25
10.7 to 17