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C66900 Brass vs. CC761S Brass

Both C66900 brass and CC761S brass are copper alloys. They have 78% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.1 to 26
8.7
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 460 to 770
540
Tensile Strength: Yield (Proof), MPa 330 to 760
340

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 150
170
Melting Completion (Liquidus), °C 860
960
Melting Onset (Solidus), °C 850
910
Specific Heat Capacity, J/kg-K 400
410
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
40
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
43

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
41
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
530
Stiffness to Weight: Axial, points 8.1
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15 to 26
18
Strength to Weight: Bending, points 16 to 23
18
Thermal Shock Resistance, points 14 to 23
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 62.5 to 64.5
78 to 83
Iron (Fe), % 0 to 0.25
0 to 0.6
Lead (Pb), % 0 to 0.050
0 to 0.8
Manganese (Mn), % 11.5 to 12.5
0 to 0.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
3.0 to 5.0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 22.5 to 26
8.9 to 19
Residuals, % 0 to 0.2
0