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AISI 431 Stainless Steel vs. Grade N12MV Nickel

AISI 431 stainless steel belongs to the iron alloys classification, while grade N12MV nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is grade N12MV nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 15 to 17
6.8
Fatigue Strength, MPa 430 to 610
130
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
84
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
600
Tensile Strength: Yield (Proof), MPa 710 to 1040
310

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 850
900
Melting Completion (Liquidus), °C 1510
1620
Melting Onset (Solidus), °C 1450
1570
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
75
Density, g/cm3 7.7
9.2
Embodied Carbon, kg CO2/kg material 2.2
16
Embodied Energy, MJ/kg 31
200
Embodied Water, L/kg 120
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
34
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 32 to 50
18
Strength to Weight: Bending, points 27 to 36
17
Thermal Shock Resistance, points 28 to 43
19

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.12
Chromium (Cr), % 15 to 17
0 to 1.0
Iron (Fe), % 78.2 to 83.8
4.0 to 6.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
26 to 30
Nickel (Ni), % 1.3 to 2.5
60.2 to 69.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.2 to 0.6