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C87900 Brass vs. C72150 Copper-nickel

Both C87900 brass and C72150 copper-nickel are copper alloys. They have 55% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C87900 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 0.31
0.33
Shear Modulus, GPa 41
55
Tensile Strength: Ultimate (UTS), MPa 480
490
Tensile Strength: Yield (Proof), MPa 240
210

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 130
600
Melting Completion (Liquidus), °C 930
1210
Melting Onset (Solidus), °C 900
1250
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 120
22
Thermal Expansion, µm/m-K 20
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 17
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
45
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
6.1
Embodied Energy, MJ/kg 46
88
Embodied Water, L/kg 320
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 270
150
Stiffness to Weight: Axial, points 7.3
9.1
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 37
6.0
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 63 to 69.2
52.5 to 57
Iron (Fe), % 0 to 0.4
0 to 0.1
Lead (Pb), % 0 to 0.25
0 to 0.050
Manganese (Mn), % 0 to 0.15
0 to 0.050
Nickel (Ni), % 0 to 0.5
43 to 46
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0 to 0.5
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0 to 0.2
Residuals, % 0
0 to 0.5