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CC751S Brass vs. C19020 Copper

Both CC751S brass and C19020 copper are copper alloys. They have 65% of their average alloy composition in common. There are 25 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 CC751S brass and the bottom bar is C19020 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 5.6
2.3 to 5.7
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 450
440 to 590

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 850
1090
Melting Onset (Solidus), °C 810
1030
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
190
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
50
Electrical Conductivity: Equal Weight (Specific), % IACS 28
50

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 330
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 15
14 to 18
Strength to Weight: Bending, points 16
14 to 18
Thermal Diffusivity, mm2/s 35
55
Thermal Shock Resistance, points 15
16 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 62.7 to 66
95.7 to 99.19
Iron (Fe), % 0.25 to 0.5
0
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.8
0.5 to 3.0
Phosphorus (P), % 0
0.010 to 0.2
Silicon (Si), % 0.65 to 1.1
0
Tin (Sn), % 0 to 0.8
0.3 to 0.9
Zinc (Zn), % 27.9 to 35.6
0
Residuals, % 0
0 to 0.2