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C87900 Brass vs. C71580 Copper-nickel

Both C87900 brass and C71580 copper-nickel are copper alloys. They have 67% 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 C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 25
40
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
51
Tensile Strength: Ultimate (UTS), MPa 480
330
Tensile Strength: Yield (Proof), MPa 240
110

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 130
260
Melting Completion (Liquidus), °C 930
1180
Melting Onset (Solidus), °C 900
1120
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 17
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
41
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
5.1
Embodied Energy, MJ/kg 46
74
Embodied Water, L/kg 320
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
100
Resilience: Unit (Modulus of Resilience), kJ/m3 270
47
Stiffness to Weight: Axial, points 7.3
8.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
10
Strength to Weight: Bending, points 17
12
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 16
11

Alloy Composition


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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 0.070
Copper (Cu), % 63 to 69.2
65.5 to 71
Iron (Fe), % 0 to 0.4
0 to 0.5
Lead (Pb), % 0 to 0.25
0 to 0.050
Manganese (Mn), % 0 to 0.15
0 to 0.3
Nickel (Ni), % 0 to 0.5
29 to 33
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0 to 0.050
Residuals, % 0
0 to 0.5