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C87700 Bronze vs. CC753S Brass

Both C87700 bronze and CC753S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C87700 bronze and the bottom bar is CC753S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 3.6
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 300
340
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 980
820
Melting Onset (Solidus), °C 900
780
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 120
99
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
26
Electrical Conductivity: Equal Weight (Specific), % IACS 48
29

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6
47
Resilience: Unit (Modulus of Resilience), kJ/m3 64
140
Stiffness to Weight: Axial, points 7.4
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.8
12
Strength to Weight: Bending, points 12
13
Thermal Diffusivity, mm2/s 34
32
Thermal Shock Resistance, points 11
11

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.8
Antimony (Sb), % 0 to 0.1
0 to 0.050
Copper (Cu), % 87.5 to 90.5
56.8 to 60.5
Iron (Fe), % 0 to 0.5
0.5 to 0.8
Lead (Pb), % 0 to 0.090
1.8 to 2.5
Manganese (Mn), % 0 to 0.8
0 to 0.2
Nickel (Ni), % 0 to 0.25
0.5 to 1.2
Phosphorus (P), % 0 to 0.15
0 to 0.020
Silicon (Si), % 2.5 to 3.5
0 to 0.050
Tin (Sn), % 0 to 2.0
0 to 0.8
Zinc (Zn), % 7.0 to 9.0
33.1 to 40
Residuals, % 0 to 0.8
0