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C96400 Copper-nickel vs. N08926 Stainless Steel

C96400 copper-nickel belongs to the copper alloys classification, while N08926 stainless steel belongs to the iron alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C96400 copper-nickel and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 25
40
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 51
80
Tensile Strength: Ultimate (UTS), MPa 490
740
Tensile Strength: Yield (Proof), MPa 260
330

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 260
1100
Melting Completion (Liquidus), °C 1240
1460
Melting Onset (Solidus), °C 1170
1410
Specific Heat Capacity, J/kg-K 400
460
Thermal Conductivity, W/m-K 28
12
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 5.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 45
33
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 5.9
6.2
Embodied Energy, MJ/kg 87
84
Embodied Water, L/kg 280
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
240
Resilience: Unit (Modulus of Resilience), kJ/m3 250
270
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15
25
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 7.8
3.2
Thermal Shock Resistance, points 17
16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 62.3 to 71.3
0.5 to 1.5
Iron (Fe), % 0.25 to 1.5
41.7 to 50.4
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 28 to 32
24 to 26
Niobium (Nb), % 0.5 to 1.5
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Residuals, % 0 to 0.5
0