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S31727 Stainless Steel vs. C96300 Copper-nickel

S31727 stainless steel belongs to the iron alloys classification, while C96300 copper-nickel belongs to the copper alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. 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 S31727 stainless steel and the bottom bar is C96300 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 200
130
Elongation at Break, % 40
11
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
49
Tensile Strength: Ultimate (UTS), MPa 630
580
Tensile Strength: Yield (Proof), MPa 270
430

Thermal Properties

Latent Heat of Fusion, J/g 290
230
Maximum Temperature: Mechanical, °C 1010
240
Melting Completion (Liquidus), °C 1440
1200
Melting Onset (Solidus), °C 1390
1150
Specific Heat Capacity, J/kg-K 470
400
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 24
42
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 4.7
5.1
Embodied Energy, MJ/kg 64
76
Embodied Water, L/kg 180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
59
Resilience: Unit (Modulus of Resilience), kJ/m3 190
720
Stiffness to Weight: Axial, points 14
8.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 20
17
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
72.3 to 80.8
Iron (Fe), % 53.7 to 61.3
0.5 to 1.5
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0.25 to 1.5
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
18 to 22
Niobium (Nb), % 0
0.5 to 1.5
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