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EN 1.4446 Stainless Steel vs. Grade N12MV Nickel

EN 1.4446 stainless steel belongs to the iron alloys classification, while grade N12MV nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. 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 EN 1.4446 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, % 23
6.8
Fatigue Strength, MPa 160
130
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 79
84
Tensile Strength: Ultimate (UTS), MPa 490
600
Tensile Strength: Yield (Proof), MPa 240
310

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 980
900
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 22
75
Density, g/cm3 7.9
9.2
Embodied Carbon, kg CO2/kg material 4.5
16
Embodied Energy, MJ/kg 60
200
Embodied Water, L/kg 160
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
34
Resilience: Unit (Modulus of Resilience), kJ/m3 140
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
17
Thermal Shock Resistance, points 11
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 16.5 to 18.5
0 to 1.0
Iron (Fe), % 59.7 to 66.9
4.0 to 6.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 4.0 to 4.5
26 to 30
Nickel (Ni), % 12.5 to 14.5
60.2 to 69.8
Nitrogen (N), % 0.12 to 0.22
0
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