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C83800 Bronze vs. CC761S Brass

Both C83800 bronze and CC761S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% 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 C83800 bronze and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
8.7
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 230
540
Tensile Strength: Yield (Proof), MPa 110
340

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 1000
960
Melting Onset (Solidus), °C 840
910
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 72
27
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
40
Electrical Conductivity: Equal Weight (Specific), % IACS 15
43

Otherwise Unclassified Properties

Base Metal Price, % relative 30
27
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
41
Resilience: Unit (Modulus of Resilience), kJ/m3 53
530
Stiffness to Weight: Axial, points 6.6
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4
18
Strength to Weight: Bending, points 9.6
18
Thermal Diffusivity, mm2/s 22
8.0
Thermal Shock Resistance, points 8.6
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.1
Antimony (Sb), % 0 to 0.25
0 to 0.050
Copper (Cu), % 82 to 83.8
78 to 83
Iron (Fe), % 0 to 0.3
0 to 0.6
Lead (Pb), % 5.0 to 7.0
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), % 3.3 to 4.2
0 to 0.3
Zinc (Zn), % 5.0 to 8.0
8.9 to 19
Residuals, % 0 to 0.7
0