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C94500 Bronze vs. CC755S Brass

Both C94500 bronze and CC755S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common.

For each property being compared, the top bar is C94500 bronze and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
110
Elastic (Young's, Tensile) Modulus, GPa 92
100
Elongation at Break, % 12
9.5
Poisson's Ratio 0.36
0.31
Shear Modulus, GPa 34
40
Tensile Strength: Ultimate (UTS), MPa 170
390
Tensile Strength: Yield (Proof), MPa 83
250

Thermal Properties

Latent Heat of Fusion, J/g 160
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 940
820
Melting Onset (Solidus), °C 800
780
Specific Heat Capacity, J/kg-K 330
390
Thermal Conductivity, W/m-K 52
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
30

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 9.3
8.1
Embodied Carbon, kg CO2/kg material 3.2
2.7
Embodied Energy, MJ/kg 51
46
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
33
Resilience: Unit (Modulus of Resilience), kJ/m3 37
290
Stiffness to Weight: Axial, points 5.5
7.1
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.2
14
Strength to Weight: Bending, points 7.4
15
Thermal Diffusivity, mm2/s 17
38
Thermal Shock Resistance, points 6.7
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.4 to 0.7
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 66.7 to 78
59.5 to 61
Iron (Fe), % 0 to 0.15
0.050 to 0.2
Lead (Pb), % 16 to 22
1.2 to 1.7
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 1.0
0 to 0.2
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.050
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 6.0 to 8.0
0 to 0.3
Zinc (Zn), % 0 to 1.2
35.8 to 38.9