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C71500 Copper-nickel vs. C84500 Brass

Both C71500 copper-nickel and C84500 brass are copper alloys. They have 69% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
100
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
39
Tensile Strength: Ultimate (UTS), MPa 380 to 620
240

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 260
150
Melting Completion (Liquidus), °C 1240
980
Melting Onset (Solidus), °C 1170
840
Specific Heat Capacity, J/kg-K 400
360
Thermal Conductivity, W/m-K 28
72
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
16
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 41
28
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 5.1
2.9
Embodied Energy, MJ/kg 74
47
Embodied Water, L/kg 280
340

Common Calculations

Stiffness to Weight: Axial, points 8.6
6.6
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12 to 19
7.7
Strength to Weight: Bending, points 13 to 18
9.8
Thermal Diffusivity, mm2/s 7.7
23
Thermal Shock Resistance, points 12 to 20
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 63.5 to 70.6
77 to 79
Iron (Fe), % 0.4 to 1.0
0 to 0.4
Lead (Pb), % 0 to 0.050
6.0 to 7.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 29 to 33
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 0 to 1.0
10 to 14
Residuals, % 0
0 to 0.7