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C68300 Brass vs. CC761S Brass

Both C68300 brass and CC761S brass are copper alloys. They have 76% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68300 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 430
540
Tensile Strength: Yield (Proof), MPa 260
340

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 900
960
Melting Onset (Solidus), °C 890
910
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 120
27
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
41
Resilience: Unit (Modulus of Resilience), kJ/m3 330
530
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 38
8.0
Thermal Shock Resistance, points 14
19

Alloy Composition


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Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0.3 to 1.0
0 to 0.050
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
78 to 83
Iron (Fe), % 0
0 to 0.6
Lead (Pb), % 0 to 0.090
0 to 0.8
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.3 to 1.0
3.0 to 5.0
Tin (Sn), % 0.050 to 0.2
0 to 0.3
Zinc (Zn), % 34.2 to 40.4
8.9 to 19
Residuals, % 0 to 0.5
0