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C71000 Copper-nickel vs. C83400 Brass

Both C71000 copper-nickel and C83400 brass are copper alloys. They have 78% 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 C71000 copper-nickel and the bottom bar is C83400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 49
42
Tensile Strength: Ultimate (UTS), MPa 320 to 560
240

Thermal Properties

Latent Heat of Fusion, J/g 230
200
Maximum Temperature: Mechanical, °C 240
180
Melting Completion (Liquidus), °C 1200
1040
Melting Onset (Solidus), °C 1150
1020
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 43
190
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
44
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
46

Otherwise Unclassified Properties

Base Metal Price, % relative 37
29
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 63
43
Embodied Water, L/kg 290
320

Common Calculations

Stiffness to Weight: Axial, points 8.2
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10 to 18
7.7
Strength to Weight: Bending, points 12 to 17
9.9
Thermal Diffusivity, mm2/s 12
57
Thermal Shock Resistance, points 12 to 20
8.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 73.5 to 80.5
88 to 92
Iron (Fe), % 0.5 to 1.0
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 19 to 23
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0 to 1.0
8.0 to 12
Residuals, % 0
0 to 0.7