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S30415 Stainless Steel vs. C72200 Copper-nickel

S30415 stainless steel belongs to the iron alloys classification, while C72200 copper-nickel belongs to the copper 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 S30415 stainless steel and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
36
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.1
3.9
Embodied Energy, MJ/kg 43
59
Embodied Water, L/kg 140
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
11 to 18
Strength to Weight: Bending, points 22
12 to 17
Thermal Diffusivity, mm2/s 5.6
9.6
Thermal Shock Resistance, points 15
12 to 20

Alloy Composition

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