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C71000 Copper-nickel vs. C85200 Brass

Both C71000 copper-nickel and C85200 brass are copper alloys. They have 74% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C71000 copper-nickel and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 49
40
Tensile Strength: Ultimate (UTS), MPa 320 to 560
270

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 240
140
Melting Completion (Liquidus), °C 1200
940
Melting Onset (Solidus), °C 1150
930
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 43
84
Thermal Expansion, µm/m-K 15
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
18
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
19

Otherwise Unclassified Properties

Base Metal Price, % relative 37
26
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 4.3
2.8
Embodied Energy, MJ/kg 63
46
Embodied Water, L/kg 290
330

Common Calculations

Stiffness to Weight: Axial, points 8.2
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10 to 18
8.9
Strength to Weight: Bending, points 12 to 17
11
Thermal Diffusivity, mm2/s 12
27
Thermal Shock Resistance, points 12 to 20
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 73.5 to 80.5
70 to 74
Iron (Fe), % 0.5 to 1.0
0 to 0.6
Lead (Pb), % 0 to 0.050
1.5 to 3.8
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 19 to 23
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0.7 to 2.0
Zinc (Zn), % 0 to 1.0
20 to 27
Residuals, % 0
0 to 0.9