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EN 1.4122 Stainless Steel vs. N07716 Nickel

EN 1.4122 stainless steel belongs to the iron alloys classification, while N07716 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 30 material properties with values for both materials. Properties with values for just one material (3, 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 N07716 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
34
Fatigue Strength, MPa 260 to 360
690
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
78
Shear Strength, MPa 480 to 520
580
Tensile Strength: Ultimate (UTS), MPa 790 to 850
860
Tensile Strength: Yield (Proof), MPa 450 to 630
350

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 870
980
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.4
13
Embodied Energy, MJ/kg 33
190
Embodied Water, L/kg 120
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28 to 31
28
Strength to Weight: Bending, points 25 to 26
24
Thermal Diffusivity, mm2/s 4.0
2.8
Thermal Shock Resistance, points 28 to 30
24

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.33 to 0.45
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
19 to 22
Iron (Fe), % 77.2 to 83.4
0 to 11.3
Manganese (Mn), % 0 to 1.5
0 to 0.2
Molybdenum (Mo), % 0.8 to 1.3
7.0 to 9.5
Nickel (Ni), % 0 to 1.0
59 to 63
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.6