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CC764S Brass vs. C31400 Bronze

Both CC764S brass and C31400 bronze are copper alloys. They have 68% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC764S brass and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
6.8 to 29
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 680
270 to 420
Tensile Strength: Yield (Proof), MPa 290
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 850
1040
Melting Onset (Solidus), °C 810
1010
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 94
180
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
42
Electrical Conductivity: Equal Weight (Specific), % IACS 36
43

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 49
42
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 390
28 to 420
Stiffness to Weight: Axial, points 7.6
7.1
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 24
8.7 to 13
Strength to Weight: Bending, points 22
11 to 14
Thermal Diffusivity, mm2/s 30
54
Thermal Shock Resistance, points 22
9.6 to 15

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Antimony (Sb), % 0 to 0.050
0
Copper (Cu), % 52 to 66
87.5 to 90.5
Iron (Fe), % 0.5 to 2.5
0 to 0.1
Lead (Pb), % 0 to 0.3
1.3 to 2.5
Manganese (Mn), % 0.3 to 4.0
0
Nickel (Ni), % 0 to 3.0
0 to 0.7
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 20.7 to 50.2
5.8 to 11.2
Residuals, % 0
0 to 0.4