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CC761S Brass vs. C68400 Brass

Both CC761S brass and C68400 brass are copper alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CC761S brass and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.7
18
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 540
540
Tensile Strength: Yield (Proof), MPa 340
310

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 960
840
Melting Onset (Solidus), °C 910
820
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 27
66
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
87
Electrical Conductivity: Equal Weight (Specific), % IACS 43
99

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
81
Resilience: Unit (Modulus of Resilience), kJ/m3 530
460
Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 8.0
21
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.5
Antimony (Sb), % 0 to 0.050
0
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 78 to 83
59 to 64
Iron (Fe), % 0 to 0.6
0 to 1.0
Lead (Pb), % 0 to 0.8
0 to 0.090
Manganese (Mn), % 0 to 0.2
0.2 to 1.5
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0.030 to 0.3
Silicon (Si), % 3.0 to 5.0
1.5 to 2.5
Tin (Sn), % 0 to 0.3
0 to 0.5
Zinc (Zn), % 8.9 to 19
28.6 to 39.3
Residuals, % 0
0 to 0.5