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CC751S Brass vs. C18900 Copper

Both CC751S brass and C18900 copper are copper alloys. They have 65% 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 CC751S brass and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 5.6
14 to 48
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 450
260 to 500
Tensile Strength: Yield (Proof), MPa 320
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 850
1080
Melting Onset (Solidus), °C 810
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
30
Electrical Conductivity: Equal Weight (Specific), % IACS 28
30

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 480
20 to 660
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 15
8.2 to 16
Strength to Weight: Bending, points 16
10 to 16
Thermal Diffusivity, mm2/s 35
38
Thermal Shock Resistance, points 15
9.3 to 18

Alloy Composition


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Aluminum (Al), % 0 to 0.1
0 to 0.010
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 62.7 to 66
97.7 to 99.15
Iron (Fe), % 0.25 to 0.5
0
Lead (Pb), % 0.8 to 2.2
0 to 0.020
Manganese (Mn), % 0 to 0.15
0.1 to 0.3
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.65 to 1.1
0.15 to 0.4
Tin (Sn), % 0 to 0.8
0.6 to 0.9
Zinc (Zn), % 27.9 to 35.6
0 to 0.1
Residuals, % 0
0 to 0.5