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C70600 Copper-nickel vs. S32950 Stainless Steel

C70600 copper-nickel belongs to the copper alloys classification, while S32950 stainless steel belongs to the iron alloys. There are 29 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 C70600 copper-nickel and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.0 to 34
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 46
80
Shear Strength, MPa 190 to 330
480
Tensile Strength: Ultimate (UTS), MPa 290 to 570
780
Tensile Strength: Yield (Proof), MPa 63 to 270
550

Thermal Properties

Latent Heat of Fusion, J/g 220
300
Maximum Temperature: Mechanical, °C 220
1100
Melting Completion (Liquidus), °C 1150
1430
Melting Onset (Solidus), °C 1100
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 44
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 33
17
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
3.4
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.5 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 16 to 290
730
Stiffness to Weight: Axial, points 7.7
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 9.1 to 18
28
Strength to Weight: Bending, points 11 to 17
24
Thermal Diffusivity, mm2/s 13
4.3
Thermal Shock Resistance, points 9.8 to 19
21

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 84.7 to 90
0
Iron (Fe), % 1.0 to 1.8
60.3 to 69.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 2.5
Nickel (Ni), % 9.0 to 11
3.5 to 5.2
Nitrogen (N), % 0
0.15 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0