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CC765S Brass vs. C68400 Brass

Both CC765S brass and C68400 brass are copper alloys. They have a moderately high 94% 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 CC765S brass and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
150
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
18
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 540
540
Tensile Strength: Yield (Proof), MPa 220
310

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 860
840
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 91
66
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
87
Electrical Conductivity: Equal Weight (Specific), % IACS 34
99

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
81
Resilience: Unit (Modulus of Resilience), kJ/m3 220
460
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 28
21
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0 to 0.5
Antimony (Sb), % 0 to 0.080
0
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 51 to 65
59 to 64
Iron (Fe), % 0.5 to 2.0
0 to 1.0
Lead (Pb), % 0 to 0.5
0 to 0.090
Manganese (Mn), % 0.3 to 3.0
0.2 to 1.5
Nickel (Ni), % 0 to 6.0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0.030 to 0.3
Silicon (Si), % 0 to 0.1
1.5 to 2.5
Tin (Sn), % 0 to 1.0
0 to 0.5
Zinc (Zn), % 19.8 to 47.7
28.6 to 39.3
Residuals, % 0
0 to 0.5