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S38815 Stainless Steel vs. C70400 Copper-nickel

S38815 stainless steel belongs to the iron alloys classification, while C70400 copper-nickel belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
45
Tensile Strength: Ultimate (UTS), MPa 610
300 to 310
Tensile Strength: Yield (Proof), MPa 290
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 370
210
Maximum Temperature: Mechanical, °C 860
210
Melting Completion (Liquidus), °C 1360
1120
Melting Onset (Solidus), °C 1310
1060
Specific Heat Capacity, J/kg-K 500
390
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
32
Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 3.8
3.0
Embodied Energy, MJ/kg 54
47
Embodied Water, L/kg 140
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 220
38 to 220
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
9.3 to 9.8
Strength to Weight: Bending, points 21
11 to 12
Thermal Shock Resistance, points 15
10 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
89.8 to 93.6
Iron (Fe), % 56.1 to 67
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
4.8 to 6.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 5.5 to 6.5
0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5