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N07716 Nickel vs. S31655 Stainless Steel

N07716 nickel belongs to the nickel alloys classification, while S31655 stainless steel belongs to the iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is N07716 nickel and the bottom bar is S31655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
39
Fatigue Strength, MPa 690
300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 580
490
Tensile Strength: Ultimate (UTS), MPa 860
710
Tensile Strength: Yield (Proof), MPa 350
350

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 980
1010
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 75
17
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 13
3.3
Embodied Energy, MJ/kg 190
46
Embodied Water, L/kg 280
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
230
Resilience: Unit (Modulus of Resilience), kJ/m3 300
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 2.8
4.0
Thermal Shock Resistance, points 24
16

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19 to 22
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 0 to 11.3
63.2 to 71.9
Manganese (Mn), % 0 to 0.2
0 to 2.0
Molybdenum (Mo), % 7.0 to 9.5
0.5 to 1.5
Nickel (Ni), % 59 to 63
8.0 to 9.5
Niobium (Nb), % 2.8 to 4.0
0
Nitrogen (N), % 0
0.14 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 1.0 to 1.6
0