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S31730 Stainless Steel vs. N10624 Nickel

S31730 stainless steel belongs to the iron alloys classification, while N10624 nickel belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is N10624 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 40
45
Fatigue Strength, MPa 170
310
Poisson's Ratio 0.28
0.3
Rockwell B Hardness 78
86
Shear Modulus, GPa 77
84
Shear Strength, MPa 370
570
Tensile Strength: Ultimate (UTS), MPa 540
810
Tensile Strength: Yield (Proof), MPa 200
360

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 990
930
Melting Completion (Liquidus), °C 1430
1580
Melting Onset (Solidus), °C 1390
1520
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
70
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 4.6
13
Embodied Energy, MJ/kg 63
170
Embodied Water, L/kg 180
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
300
Resilience: Unit (Modulus of Resilience), kJ/m3 99
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 18
22
Thermal Shock Resistance, points 12
24

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 17 to 19
6.0 to 10
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 4.0 to 5.0
0 to 0.5
Iron (Fe), % 52.4 to 61
5.0 to 8.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
21 to 25
Nickel (Ni), % 15 to 16.5
53.9 to 68
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.010