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C84100 Brass vs. CC761S Brass

Both C84100 brass and CC761S 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 C84100 brass and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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