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C83800 Bronze vs. CC751S Brass

Both C83800 bronze and CC751S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% 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 CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
5.6
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 230
450
Tensile Strength: Yield (Proof), MPa 110
320

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 1000
850
Melting Onset (Solidus), °C 840
810
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 72
110
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
25
Electrical Conductivity: Equal Weight (Specific), % IACS 15
28

Otherwise Unclassified Properties

Base Metal Price, % relative 30
24
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
23
Resilience: Unit (Modulus of Resilience), kJ/m3 53
480
Stiffness to Weight: Axial, points 6.6
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4
15
Strength to Weight: Bending, points 9.6
16
Thermal Diffusivity, mm2/s 22
35
Thermal Shock Resistance, points 8.6
15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.1
Antimony (Sb), % 0 to 0.25
0 to 0.5
Copper (Cu), % 82 to 83.8
62.7 to 66
Iron (Fe), % 0 to 0.3
0.25 to 0.5
Lead (Pb), % 5.0 to 7.0
0.8 to 2.2
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 1.0
0 to 0.8
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0.65 to 1.1
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 3.3 to 4.2
0 to 0.8
Zinc (Zn), % 5.0 to 8.0
27.9 to 35.6
Residuals, % 0 to 0.7
0