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C72200 Copper-nickel vs. S30415 Stainless Steel

C72200 copper-nickel belongs to the copper alloys classification, while S30415 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
200
Poisson's Ratio 0.33
0.28
Rockwell B Hardness 71 to 86
84
Shear Modulus, GPa 48
77
Tensile Strength: Ultimate (UTS), MPa 350 to 580
670

Thermal Properties

Latent Heat of Fusion, J/g 220
300
Maximum Temperature: Mechanical, °C 230
940
Melting Completion (Liquidus), °C 1180
1410
Melting Onset (Solidus), °C 1120
1370
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 34
21
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
15
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
3.1
Embodied Energy, MJ/kg 59
43
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
24
Strength to Weight: Bending, points 12 to 17
22
Thermal Diffusivity, mm2/s 9.6
5.6
Thermal Shock Resistance, points 12 to 20
15

Alloy Composition

Carbon (C), % 0
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0.3 to 0.7
18 to 19
Copper (Cu), % 78.1 to 84.2
0
Iron (Fe), % 0.5 to 1.0
67.8 to 71.8
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 0.8
Nickel (Ni), % 15 to 18
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.2
0