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C94100 Bronze vs. CC761S Brass

Both C94100 bronze and CC761S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 77% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C94100 bronze and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
110
Elongation at Break, % 7.8
8.7
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 34
42
Tensile Strength: Ultimate (UTS), MPa 190
540
Tensile Strength: Yield (Proof), MPa 130
340

Thermal Properties

Latent Heat of Fusion, J/g 160
260
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 870
960
Melting Onset (Solidus), °C 790
910
Specific Heat Capacity, J/kg-K 330
410
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
43

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 9.2
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 48
45
Embodied Water, L/kg 370
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
41
Resilience: Unit (Modulus of Resilience), kJ/m3 97
530
Stiffness to Weight: Axial, points 5.5
7.4
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.8
18
Strength to Weight: Bending, points 8.1
18
Thermal Shock Resistance, points 7.6
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.1
Antimony (Sb), % 0 to 0.8
0 to 0.050
Copper (Cu), % 72 to 79
78 to 83
Iron (Fe), % 0 to 0.25
0 to 0.6
Lead (Pb), % 18 to 22
0 to 0.8
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 0.030
Silicon (Si), % 0 to 0.0050
3.0 to 5.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.5
0 to 0.3
Zinc (Zn), % 0 to 1.0
8.9 to 19
Residuals, % 0 to 1.3
0