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CC765S Brass vs. C84100 Brass

Both CC765S brass and C84100 brass are copper alloys. They have 75% of their average alloy composition in common.

For each property being compared, the top bar is CC765S brass and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
65
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
13
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 540
230
Tensile Strength: Yield (Proof), MPa 220
81

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 860
1000
Melting Onset (Solidus), °C 820
810
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 91
110
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
23
Electrical Conductivity: Equal Weight (Specific), % IACS 34
25

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 51
48
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
24
Resilience: Unit (Modulus of Resilience), kJ/m3 220
30
Stiffness to Weight: Axial, points 7.6
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
7.4
Strength to Weight: Bending, points 18
9.7
Thermal Diffusivity, mm2/s 28
33
Thermal Shock Resistance, points 17
7.8

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0 to 0.010
Antimony (Sb), % 0 to 0.080
0 to 0.050
Bismuth (Bi), % 0
0 to 0.090
Copper (Cu), % 51 to 65
78 to 85
Iron (Fe), % 0.5 to 2.0
0 to 0.3
Lead (Pb), % 0 to 0.5
0.050 to 0.25
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.010
Tin (Sn), % 0 to 1.0
1.5 to 4.5
Zinc (Zn), % 19.8 to 47.7
12 to 20
Residuals, % 0
0 to 0.5