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C84500 Brass vs. CC765S Brass

Both C84500 brass and CC765S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is C84500 brass and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
130
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 28
21
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 240
540
Tensile Strength: Yield (Proof), MPa 97
220

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 150
140
Melting Completion (Liquidus), °C 980
860
Melting Onset (Solidus), °C 840
820
Specific Heat Capacity, J/kg-K 360
400
Thermal Conductivity, W/m-K 72
91
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
30
Electrical Conductivity: Equal Weight (Specific), % IACS 17
34

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 47
51
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
90
Resilience: Unit (Modulus of Resilience), kJ/m3 45
220
Stiffness to Weight: Axial, points 6.6
7.6
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.7
19
Strength to Weight: Bending, points 9.8
18
Thermal Diffusivity, mm2/s 23
28
Thermal Shock Resistance, points 8.6
17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.5 to 2.5
Antimony (Sb), % 0 to 0.25
0 to 0.080
Copper (Cu), % 77 to 79
51 to 65
Iron (Fe), % 0 to 0.4
0.5 to 2.0
Lead (Pb), % 6.0 to 7.5
0 to 0.5
Manganese (Mn), % 0
0.3 to 3.0
Nickel (Ni), % 0 to 1.0
0 to 6.0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.0050
0 to 0.1
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 4.0
0 to 1.0
Zinc (Zn), % 10 to 14
19.8 to 47.7
Residuals, % 0 to 0.7
0