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C87200 Bronze vs. CC754S Brass

Both C87200 bronze and CC754S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is C87200 bronze and the bottom bar is CC754S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
90
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 30
11
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 380
320
Tensile Strength: Yield (Proof), MPa 170
160

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 970
830
Melting Onset (Solidus), °C 860
780
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
95
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
30

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
29
Resilience: Unit (Modulus of Resilience), kJ/m3 130
130
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
11
Strength to Weight: Bending, points 14
13
Thermal Diffusivity, mm2/s 8.0
31
Thermal Shock Resistance, points 14
10

Alloy Composition

Aluminum (Al), % 0 to 1.5
0 to 0.8
Copper (Cu), % 89 to 99
57 to 63
Iron (Fe), % 0 to 2.5
0 to 0.7
Lead (Pb), % 0 to 0.5
0.5 to 2.5
Manganese (Mn), % 0 to 1.5
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.5
0 to 0.020
Silicon (Si), % 1.0 to 5.0
0 to 0.3
Tin (Sn), % 0 to 1.0
0 to 1.0
Zinc (Zn), % 0 to 5.0
30.2 to 42.5