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CC765S Brass vs. C83300 Brass

Both CC765S brass and C83300 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common.

For each property being compared, the top bar is CC765S brass and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
35
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
35
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 540
220
Tensile Strength: Yield (Proof), MPa 220
69

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 860
1060
Melting Onset (Solidus), °C 820
1030
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 91
160
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
32
Electrical Conductivity: Equal Weight (Specific), % IACS 34
33

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 51
44
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
60
Resilience: Unit (Modulus of Resilience), kJ/m3 220
21
Stiffness to Weight: Axial, points 7.6
7.0
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
6.9
Strength to Weight: Bending, points 18
9.2
Thermal Diffusivity, mm2/s 28
48
Thermal Shock Resistance, points 17
7.9

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 51 to 65
92 to 94
Iron (Fe), % 0.5 to 2.0
0
Lead (Pb), % 0 to 0.5
1.0 to 2.0
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 1.0
1.0 to 2.0
Zinc (Zn), % 19.8 to 47.7
2.0 to 6.0
Residuals, % 0
0 to 0.7