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CC761S Brass vs. C14181 Copper

Both CC761S brass and C14181 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC761S brass and the bottom bar is C14181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 8.7
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 540
210
Tensile Strength: Yield (Proof), MPa 340
130

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 960
1080
Melting Onset (Solidus), °C 910
1080
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 27
380
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 27
31
Density, g/cm3 8.3
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
28
Resilience: Unit (Modulus of Resilience), kJ/m3 530
69
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 18
6.5
Strength to Weight: Bending, points 18
8.8
Thermal Diffusivity, mm2/s 8.0
110
Thermal Shock Resistance, points 19
7.4

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.050
0
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 78 to 83
99.9 to 100
Iron (Fe), % 0 to 0.6
0
Lead (Pb), % 0 to 0.8
0 to 0.0020
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.0020
Silicon (Si), % 3.0 to 5.0
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 8.9 to 19
0 to 0.0020