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C72200 Copper-nickel vs. S38815 Stainless Steel

C72200 copper-nickel belongs to the copper alloys classification, while S38815 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 48
74
Tensile Strength: Ultimate (UTS), MPa 350 to 580
610

Thermal Properties

Latent Heat of Fusion, J/g 220
370
Maximum Temperature: Mechanical, °C 230
860
Melting Completion (Liquidus), °C 1180
1360
Melting Onset (Solidus), °C 1120
1310
Specific Heat Capacity, J/kg-K 400
500
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 8.9
7.5
Embodied Carbon, kg CO2/kg material 3.9
3.8
Embodied Energy, MJ/kg 59
54
Embodied Water, L/kg 300
140

Common Calculations

Stiffness to Weight: Axial, points 8.0
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 18
22
Strength to Weight: Bending, points 12 to 17
21
Thermal Shock Resistance, points 12 to 20
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.3 to 0.7
13 to 15
Copper (Cu), % 78.1 to 84.2
0.75 to 1.5
Iron (Fe), % 0.5 to 1.0
56.1 to 67
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 15 to 18
13 to 17
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
5.5 to 6.5
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.2
0