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Grade N12MV Nickel vs. S21904 Stainless Steel

Grade N12MV nickel belongs to the nickel alloys classification, while S21904 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade N12MV nickel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 6.8
17 to 51
Fatigue Strength, MPa 130
380 to 550
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 600
700 to 1000
Tensile Strength: Yield (Proof), MPa 310
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 900
980
Melting Completion (Liquidus), °C 1620
1400
Melting Onset (Solidus), °C 1570
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
15
Density, g/cm3 9.2
7.7
Embodied Carbon, kg CO2/kg material 16
3.0
Embodied Energy, MJ/kg 200
43
Embodied Water, L/kg 260
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 220
380 to 2070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
25 to 36
Strength to Weight: Bending, points 17
23 to 29
Thermal Shock Resistance, points 19
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.040
Chromium (Cr), % 0 to 1.0
19 to 21.5
Iron (Fe), % 4.0 to 6.0
59.5 to 67.4
Manganese (Mn), % 0 to 1.0
8.0 to 10
Molybdenum (Mo), % 26 to 30
0
Nickel (Ni), % 60.2 to 69.8
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.2 to 0.6
0