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C69710 Brass vs. C72150 Copper-nickel

Both C69710 brass and C72150 copper-nickel are copper alloys. They have 55% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
150
Elongation at Break, % 25
29
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
55
Shear Strength, MPa 300
320
Tensile Strength: Ultimate (UTS), MPa 470
490
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 160
600
Melting Completion (Liquidus), °C 930
1210
Melting Onset (Solidus), °C 880
1250
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 40
22
Thermal Expansion, µm/m-K 19
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 26
45
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
6.1
Embodied Energy, MJ/kg 44
88
Embodied Water, L/kg 310
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
150
Stiffness to Weight: Axial, points 7.3
9.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
15
Strength to Weight: Bending, points 16
15
Thermal Diffusivity, mm2/s 12
6.0
Thermal Shock Resistance, points 16
18

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 75 to 80
52.5 to 57
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0.5 to 1.5
0 to 0.050
Manganese (Mn), % 0 to 0.4
0 to 0.050
Nickel (Ni), % 0
43 to 46
Silicon (Si), % 2.5 to 3.5
0 to 0.5
Zinc (Zn), % 13.8 to 22
0 to 0.2
Residuals, % 0
0 to 0.5