MakeItFrom.com
Menu (ESC)

C85900 Brass vs. CC767S Brass

Both C85900 brass and CC767S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is C85900 brass and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
86
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 30
34
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 460
430
Tensile Strength: Yield (Proof), MPa 190
150

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 830
840
Melting Onset (Solidus), °C 790
790
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 89
110
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
32
Electrical Conductivity: Equal Weight (Specific), % IACS 28
36

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
100
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 16
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 29
34
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 0.1 to 0.6
0.1 to 0.8
Antimony (Sb), % 0 to 0.2
0
Boron (B), % 0 to 0.2
0
Copper (Cu), % 58 to 62
58 to 64
Iron (Fe), % 0 to 0.5
0 to 0.5
Lead (Pb), % 0 to 0.090
0 to 0.1
Manganese (Mn), % 0 to 0.010
0 to 0.5
Nickel (Ni), % 0 to 1.5
0 to 1.0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0 to 0.2
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 0 to 1.5
0 to 0.1
Zinc (Zn), % 31 to 41
32.8 to 41.9
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.7
0