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N07750 Nickel vs. S30815 Stainless Steel

N07750 nickel belongs to the nickel alloys classification, while S30815 stainless steel belongs to the iron alloys. They have a modest 34% 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 (6, in this case) are not shown.

For each property being compared, the top bar is N07750 nickel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
45
Fatigue Strength, MPa 520
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 770
480
Tensile Strength: Ultimate (UTS), MPa 1200
680
Tensile Strength: Yield (Proof), MPa 820
350

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Mechanical, °C 960
1020
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
17
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 10
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 260
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
260
Resilience: Unit (Modulus of Resilience), kJ/m3 1770
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 40
25
Strength to Weight: Bending, points 30
22
Thermal Diffusivity, mm2/s 3.3
4.0
Thermal Shock Resistance, points 36
15

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Carbon (C), % 0 to 0.080
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 14 to 17
20 to 22
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 5.0 to 9.0
62.8 to 68.4
Manganese (Mn), % 0 to 1.0
0 to 0.8
Nickel (Ni), % 70 to 77.7
10 to 12
Niobium (Nb), % 0.7 to 1.2
0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
1.4 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0