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C72150 Copper-nickel vs. N08811 Stainless Steel

C72150 copper-nickel belongs to the copper alloys classification, while N08811 stainless steel belongs to the iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is N08811 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 29
33
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 55
77
Shear Strength, MPa 320
340
Tensile Strength: Ultimate (UTS), MPa 490
510
Tensile Strength: Yield (Proof), MPa 210
190

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1210
1390
Melting Onset (Solidus), °C 1250
1360
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 45
30
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 6.1
5.3
Embodied Energy, MJ/kg 88
76
Embodied Water, L/kg 270
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
94
Stiffness to Weight: Axial, points 9.1
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 6.0
3.0
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.1
0.060 to 0.1
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 52.5 to 57
0 to 0.75
Iron (Fe), % 0 to 0.1
39.5 to 50.6
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 1.5
Nickel (Ni), % 43 to 46
30 to 35
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.5
0