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CC764S Brass vs. C67300 Bronze

Both CC764S brass and C67300 bronze are copper alloys. They have a very high 95% of their average alloy composition in common. There are 28 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 CC764S brass and the bottom bar is C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
12
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 680
500
Tensile Strength: Yield (Proof), MPa 290
340

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 850
870
Melting Onset (Solidus), °C 810
830
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 94
95
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
22
Electrical Conductivity: Equal Weight (Specific), % IACS 36
25

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
55
Resilience: Unit (Modulus of Resilience), kJ/m3 390
550
Stiffness to Weight: Axial, points 7.6
7.4
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 30
30
Thermal Shock Resistance, points 22
16

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0 to 0.25
Antimony (Sb), % 0 to 0.050
0
Copper (Cu), % 52 to 66
58 to 63
Iron (Fe), % 0.5 to 2.5
0 to 0.5
Lead (Pb), % 0 to 0.3
0.4 to 3.0
Manganese (Mn), % 0.3 to 4.0
2.0 to 3.5
Nickel (Ni), % 0 to 3.0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0.5 to 1.5
Tin (Sn), % 0 to 0.3
0 to 0.3
Zinc (Zn), % 20.7 to 50.2
27.2 to 39.1
Residuals, % 0
0 to 0.5