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S31730 Stainless Steel vs. N10675 Nickel

S31730 stainless steel belongs to the iron alloys classification, while N10675 nickel belongs to the nickel alloys. They have a modest 24% 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 (7, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is N10675 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 40
47
Fatigue Strength, MPa 170
350
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 78
88
Shear Modulus, GPa 77
85
Shear Strength, MPa 370
610
Tensile Strength: Ultimate (UTS), MPa 540
860
Tensile Strength: Yield (Proof), MPa 200
400

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 990
910
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 470
380
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
80
Density, g/cm3 8.0
9.3
Embodied Carbon, kg CO2/kg material 4.6
16
Embodied Energy, MJ/kg 63
210
Embodied Water, L/kg 180
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
330
Resilience: Unit (Modulus of Resilience), kJ/m3 99
350
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 18
22
Thermal Shock Resistance, points 12
26

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 17 to 19
1.0 to 3.0
Cobalt (Co), % 0
0 to 3.0
Copper (Cu), % 4.0 to 5.0
0 to 0.2
Iron (Fe), % 52.4 to 61
1.0 to 3.0
Manganese (Mn), % 0 to 2.0
0 to 3.0
Molybdenum (Mo), % 3.0 to 4.0
27 to 32
Nickel (Ni), % 15 to 16.5
51.3 to 71
Niobium (Nb), % 0
0 to 0.2
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.010
Tantalum (Ta), % 0
0 to 0.2
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 0
0 to 3.0
Vanadium (V), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.1