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CC761S Brass vs. C84100 Brass

Both CC761S brass and C84100 brass are copper alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is CC761S brass and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
65
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.7
13
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 540
230
Tensile Strength: Yield (Proof), MPa 340
81

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 960
1000
Melting Onset (Solidus), °C 910
810
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 27
110
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
23
Electrical Conductivity: Equal Weight (Specific), % IACS 43
25

Otherwise Unclassified Properties

Base Metal Price, % relative 27
29
Density, g/cm3 8.3
8.5
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 45
48
Embodied Water, L/kg 300
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
24
Resilience: Unit (Modulus of Resilience), kJ/m3 530
30
Stiffness to Weight: Axial, points 7.4
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18
7.4
Strength to Weight: Bending, points 18
9.7
Thermal Diffusivity, mm2/s 8.0
33
Thermal Shock Resistance, points 19
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.010
Antimony (Sb), % 0 to 0.050
0 to 0.050
Bismuth (Bi), % 0
0 to 0.090
Copper (Cu), % 78 to 83
78 to 85
Iron (Fe), % 0 to 0.6
0 to 0.3
Lead (Pb), % 0 to 0.8
0.050 to 0.25
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 3.0 to 5.0
0 to 0.010
Tin (Sn), % 0 to 0.3
1.5 to 4.5
Zinc (Zn), % 8.9 to 19
12 to 20
Residuals, % 0
0 to 0.5