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C95200 Bronze vs. CC755S Brass

Both C95200 bronze and CC755S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is C95200 bronze and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
110
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 29
9.5
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 520
390
Tensile Strength: Yield (Proof), MPa 190
250

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1050
820
Melting Onset (Solidus), °C 1040
780
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 50
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 12
30

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 50
46
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
33
Resilience: Unit (Modulus of Resilience), kJ/m3 170
290
Stiffness to Weight: Axial, points 7.6
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 17
14
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 14
38
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0.4 to 0.7
Copper (Cu), % 86 to 89
59.5 to 61
Iron (Fe), % 2.5 to 4.0
0.050 to 0.2
Lead (Pb), % 0
1.2 to 1.7
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.8 to 38.9
Residuals, % 0 to 1.0
0