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C72150 Copper-nickel vs. C99750 Brass

Both C72150 copper-nickel and C99750 brass are copper alloys. They have 58% of their average alloy composition in common. There are 27 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 C72150 copper-nickel and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 99
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 150
130
Elongation at Break, % 29
20 to 30
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 55
48
Tensile Strength: Ultimate (UTS), MPa 490
450 to 520
Tensile Strength: Yield (Proof), MPa 210
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 600
160
Melting Completion (Liquidus), °C 1210
840
Melting Onset (Solidus), °C 1250
820
Specific Heat Capacity, J/kg-K 410
410
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 45
23
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 6.1
3.1
Embodied Energy, MJ/kg 88
51
Embodied Water, L/kg 270
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
190 to 300
Stiffness to Weight: Axial, points 9.1
8.6
Stiffness to Weight: Bending, points 20
21
Strength to Weight: Axial, points 15
15 to 18
Strength to Weight: Bending, points 15
16 to 18
Thermal Shock Resistance, points 18
13 to 15

Alloy Composition


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Aluminum (Al), % 0
0.25 to 3.0
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
55 to 61
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 0 to 0.050
0.5 to 2.5
Manganese (Mn), % 0 to 0.050
17 to 23
Nickel (Ni), % 43 to 46
0 to 5.0
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
17 to 23
Residuals, % 0 to 0.5
0 to 0.3