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C68400 Brass vs. CC765S Brass

Both C68400 brass and CC765S 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 C68400 brass and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition


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