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CC765S Brass vs. C69400 Brass

Both CC765S brass and C69400 brass are copper alloys. They have 72% 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 CC765S brass and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
17
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 540
570
Tensile Strength: Yield (Proof), MPa 220
270

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 860
920
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 91
26
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 34
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 51
44
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
80
Resilience: Unit (Modulus of Resilience), kJ/m3 220
340
Stiffness to Weight: Axial, points 7.6
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 28
7.7
Thermal Shock Resistance, points 17
20

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 51 to 65
80 to 83
Iron (Fe), % 0.5 to 2.0
0 to 0.2
Lead (Pb), % 0 to 0.5
0 to 0.3
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
3.5 to 4.5
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
11.5 to 16.5
Residuals, % 0
0 to 0.5