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EN 1.4122 Stainless Steel vs. Grade N12MV Nickel

EN 1.4122 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4122 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, % 14
6.8
Fatigue Strength, MPa 260 to 360
130
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
84
Tensile Strength: Ultimate (UTS), MPa 790 to 850
600
Tensile Strength: Yield (Proof), MPa 450 to 630
310

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 870
900
Melting Completion (Liquidus), °C 1440
1620
Melting Onset (Solidus), °C 1400
1570
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 10
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 7.7
9.2
Embodied Carbon, kg CO2/kg material 2.4
16
Embodied Energy, MJ/kg 33
200
Embodied Water, L/kg 120
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
34
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 28 to 31
18
Strength to Weight: Bending, points 25 to 26
17
Thermal Shock Resistance, points 28 to 30
19

Alloy Composition

Carbon (C), % 0.33 to 0.45
0 to 0.12
Chromium (Cr), % 15.5 to 17.5
0 to 1.0
Iron (Fe), % 77.2 to 83.4
4.0 to 6.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.3
26 to 30
Nickel (Ni), % 0 to 1.0
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 0.015
0 to 0.030
Vanadium (V), % 0
0.2 to 0.6