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C70400 Copper-nickel vs. S28200 Stainless Steel

C70400 copper-nickel belongs to the copper alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C70400 copper-nickel and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 45
77
Tensile Strength: Ultimate (UTS), MPa 300 to 310
870
Tensile Strength: Yield (Proof), MPa 95 to 230
460

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 210
900
Melting Completion (Liquidus), °C 1120
1380
Melting Onset (Solidus), °C 1060
1330
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 32
12
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 47
41
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 38 to 220
540
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 9.3 to 9.8
32
Strength to Weight: Bending, points 11 to 12
27
Thermal Shock Resistance, points 10 to 11
17

Alloy Composition

Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 89.8 to 93.6
0.75 to 1.3
Iron (Fe), % 1.3 to 1.7
57.7 to 64.1
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0.3 to 0.8
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 4.8 to 6.2
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0