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C72150 Copper-nickel vs. S32808 Stainless Steel

C72150 copper-nickel belongs to the copper alloys classification, while S32808 stainless steel belongs to the iron alloys. There are 30 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 C72150 copper-nickel and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 99
270
Elastic (Young's, Tensile) Modulus, GPa 150
210
Elongation at Break, % 29
17
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 55
81
Shear Strength, MPa 320
480
Tensile Strength: Ultimate (UTS), MPa 490
780
Tensile Strength: Yield (Proof), MPa 210
570

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1210
1470
Melting Onset (Solidus), °C 1250
1420
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 22
14
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 45
24
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 6.1
4.0
Embodied Energy, MJ/kg 88
57
Embodied Water, L/kg 270
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
790
Stiffness to Weight: Axial, points 9.1
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
27
Strength to Weight: Bending, points 15
24
Thermal Diffusivity, mm2/s 6.0
3.8
Thermal Shock Resistance, points 18
21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
27 to 27.9
Copper (Cu), % 52.5 to 57
0
Iron (Fe), % 0 to 0.1
58.1 to 62.8
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 1.1
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 43 to 46
7.0 to 8.2
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 0
2.1 to 2.5
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.5
0