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C71500 Copper-nickel vs. K94200 Alloy

C71500 copper-nickel belongs to the copper alloys classification, while K94200 alloy belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
140
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
54
Tensile Strength: Ultimate (UTS), MPa 380 to 620
500 to 710

Thermal Properties

Melting Onset (Solidus), °C 1170
1440
Specific Heat Capacity, J/kg-K 400
500
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 16
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
3.0

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.2

Common Calculations

Stiffness to Weight: Axial, points 8.6
9.8
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 12 to 19
17 to 24
Strength to Weight: Bending, points 13 to 18
17 to 22
Thermal Diffusivity, mm2/s 7.7
3.7
Thermal Shock Resistance, points 12 to 20
49 to 70