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CC764S Brass vs. C34000 Brass

Both CC764S brass and C34000 brass are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC764S brass and the bottom bar is C34000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 680
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 850
930
Melting Onset (Solidus), °C 810
890
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 94
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
26
Electrical Conductivity: Equal Weight (Specific), % IACS 36
29

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 49
45
Embodied Water, L/kg 330
320

Common Calculations

Stiffness to Weight: Axial, points 7.6
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
11 to 22
Strength to Weight: Bending, points 22
13 to 21
Thermal Diffusivity, mm2/s 30
37
Thermal Shock Resistance, points 22
11 to 22

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Antimony (Sb), % 0 to 0.050
0
Copper (Cu), % 52 to 66
62 to 65
Iron (Fe), % 0.5 to 2.5
0 to 0.1
Lead (Pb), % 0 to 0.3
0.8 to 1.5
Manganese (Mn), % 0.3 to 4.0
0
Nickel (Ni), % 0 to 3.0
0
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
33 to 37.2
Residuals, % 0
0 to 0.4