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S30415 Stainless Steel vs. C70400 Copper-nickel

S30415 stainless steel belongs to the iron alloys classification, while C70400 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S30415 stainless steel and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 670
300 to 310
Tensile Strength: Yield (Proof), MPa 330
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 940
210
Melting Completion (Liquidus), °C 1410
1120
Melting Onset (Solidus), °C 1370
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 21
64
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
14
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
14

Otherwise Unclassified Properties

Base Metal Price, % relative 15
32
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 43
47
Embodied Water, L/kg 140
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 280
38 to 220
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
9.3 to 9.8
Strength to Weight: Bending, points 22
11 to 12
Thermal Diffusivity, mm2/s 5.6
18
Thermal Shock Resistance, points 15
10 to 11

Alloy Composition

Carbon (C), % 0.040 to 0.060
0
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 0
89.8 to 93.6
Iron (Fe), % 67.8 to 71.8
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.8
0.3 to 0.8
Nickel (Ni), % 9.0 to 10
4.8 to 6.2
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 0.5