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C85800 Brass vs. CC761S Brass

Both C85800 brass and CC761S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 78% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C85800 brass and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 15
8.7
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 380
540
Tensile Strength: Yield (Proof), MPa 210
340

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 900
960
Melting Onset (Solidus), °C 870
910
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 84
27
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
40
Electrical Conductivity: Equal Weight (Specific), % IACS 22
43

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
41
Resilience: Unit (Modulus of Resilience), kJ/m3 210
530
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13
18
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 27
8.0
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0 to 0.55
0 to 0.1
Antimony (Sb), % 0 to 0.050
0 to 0.050
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 57 to 69
78 to 83
Iron (Fe), % 0 to 0.5
0 to 0.6
Lead (Pb), % 0 to 1.5
0 to 0.8
Manganese (Mn), % 0 to 0.25
0 to 0.2
Nickel (Ni), % 0 to 0.5
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.25
3.0 to 5.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 1.5
0 to 0.3
Zinc (Zn), % 31 to 41
8.9 to 19
Residuals, % 0 to 1.3
0