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CC767S Brass vs. C64210 Bronze

Both CC767S brass and C64210 bronze are copper alloys. They have 62% 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 CC767S brass and the bottom bar is C64210 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 34
35
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 430
570
Tensile Strength: Yield (Proof), MPa 150
290

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 840
1040
Melting Onset (Solidus), °C 790
990
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 110
48
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
13
Electrical Conductivity: Equal Weight (Specific), % IACS 36
14

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 47
49
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 100
360
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 34
13
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
6.3 to 7.0
Arsenic (As), % 0
0 to 0.15
Copper (Cu), % 58 to 64
89 to 92.2
Iron (Fe), % 0 to 0.5
0 to 0.3
Lead (Pb), % 0 to 0.1
0 to 0.050
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 1.0
0 to 0.25
Silicon (Si), % 0 to 0.2
1.5 to 2.0
Tin (Sn), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 32.8 to 41.9
0 to 0.5
Residuals, % 0
0 to 0.5