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N07752 Nickel vs. S21904 Stainless Steel

N07752 nickel belongs to the nickel alloys classification, while S21904 stainless steel belongs to the iron alloys. They have a modest 30% 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 (4, in this case) are not shown.

For each property being compared, the top bar is N07752 nickel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
17 to 51
Fatigue Strength, MPa 450
380 to 550
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 710
510 to 620
Tensile Strength: Ultimate (UTS), MPa 1120
700 to 1000
Tensile Strength: Yield (Proof), MPa 740
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Mechanical, °C 960
980
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1330
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 60
15
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 10
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 260
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 1450
380 to 2070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 37
25 to 36
Strength to Weight: Bending, points 29
23 to 29
Thermal Diffusivity, mm2/s 3.2
3.8
Thermal Shock Resistance, points 34
15 to 21

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Boron (B), % 0 to 0.0070
0
Carbon (C), % 0.020 to 0.060
0 to 0.040
Chromium (Cr), % 14.5 to 17
19 to 21.5
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 5.0 to 9.0
59.5 to 67.4
Manganese (Mn), % 0 to 1.0
8.0 to 10
Nickel (Ni), % 70 to 77.1
5.5 to 7.5
Niobium (Nb), % 0.7 to 1.2
0
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.0080
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0030
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.050
0