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CC765S Brass vs. C69710 Brass

Both CC765S brass and C69710 brass are copper alloys. They have 77% 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 C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 540
470
Tensile Strength: Yield (Proof), MPa 220
230

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 860
930
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 91
40
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 34
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
26
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
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
99
Resilience: Unit (Modulus of Resilience), kJ/m3 220
250
Stiffness to Weight: Axial, points 7.6
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 28
12
Thermal Shock Resistance, points 17
16

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 51 to 65
75 to 80
Iron (Fe), % 0.5 to 2.0
0 to 0.2
Lead (Pb), % 0 to 0.5
0.5 to 1.5
Manganese (Mn), % 0.3 to 3.0
0 to 0.4
Nickel (Ni), % 0 to 6.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
2.5 to 3.5
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
13.8 to 22
Residuals, % 0
0 to 0.5