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C69430 Brass vs. C72150 Copper-nickel

Both C69430 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 C69430 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, % 17
29
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
55
Shear Strength, MPa 350
320
Tensile Strength: Ultimate (UTS), MPa 570
490
Tensile Strength: Yield (Proof), MPa 280
210

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 170
600
Melting Completion (Liquidus), °C 920
1210
Melting Onset (Solidus), °C 820
1250
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 26
22
Thermal Expansion, µm/m-K 18
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 27
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 300
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120
Resilience: Unit (Modulus of Resilience), kJ/m3 340
150
Stiffness to Weight: Axial, points 7.4
9.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19
15
Strength to Weight: Bending, points 18
15
Thermal Diffusivity, mm2/s 7.7
6.0
Thermal Shock Resistance, points 20
18

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 80 to 83
52.5 to 57
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0 to 0.3
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
43 to 46
Silicon (Si), % 3.5 to 4.5
0 to 0.5
Zinc (Zn), % 11.4 to 16.5
0 to 0.2
Residuals, % 0
0 to 0.5