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S31727 Stainless Steel vs. C96200 Copper-nickel

S31727 stainless steel belongs to the iron alloys classification, while C96200 copper-nickel belongs to the copper alloys. There are 24 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 S31727 stainless steel and the bottom bar is C96200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
23
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
46
Tensile Strength: Ultimate (UTS), MPa 630
350
Tensile Strength: Yield (Proof), MPa 270
190

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 1010
220
Melting Completion (Liquidus), °C 1440
1150
Melting Onset (Solidus), °C 1390
1100
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 4.7
3.8
Embodied Energy, MJ/kg 64
58
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
68
Resilience: Unit (Modulus of Resilience), kJ/m3 190
150
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22
11
Strength to Weight: Bending, points 20
13
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
83.6 to 90
Iron (Fe), % 53.7 to 61.3
1.0 to 1.8
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Residuals, % 0
0 to 0.5