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CC751S Brass vs. C64700 Bronze

Both CC751S brass and C64700 bronze are copper alloys. They have 66% 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 CC751S brass and the bottom bar is C64700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 5.6
9.0
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 450
660
Tensile Strength: Yield (Proof), MPa 320
560

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 850
1090
Melting Onset (Solidus), °C 810
1030
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
210
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
38
Electrical Conductivity: Equal Weight (Specific), % IACS 28
38

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
57
Resilience: Unit (Modulus of Resilience), kJ/m3 480
1370
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 35
59
Thermal Shock Resistance, points 15
24

Alloy Composition


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Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 62.7 to 66
95.8 to 98
Iron (Fe), % 0.25 to 0.5
0 to 0.1
Lead (Pb), % 0.8 to 2.2
0 to 0.1
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.8
1.6 to 2.2
Silicon (Si), % 0.65 to 1.1
0.4 to 0.8
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0 to 0.5
Residuals, % 0
0 to 0.5