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EN 1.4938 Stainless Steel vs. N10665 Nickel

EN 1.4938 stainless steel belongs to the iron alloys classification, while N10665 nickel belongs to the nickel alloys. 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 1.4938 stainless steel and the bottom bar is N10665 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 16 to 17
45
Fatigue Strength, MPa 390 to 520
340
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
84
Shear Strength, MPa 540 to 630
600
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
860
Tensile Strength: Yield (Proof), MPa 640 to 870
400

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 750
900
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1420
1570
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 30
11
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
75
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 3.3
15
Embodied Energy, MJ/kg 47
200
Embodied Water, L/kg 110
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
320
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 31 to 37
26
Strength to Weight: Bending, points 26 to 29
22
Thermal Diffusivity, mm2/s 8.1
3.1
Thermal Shock Resistance, points 30 to 35
27

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.020
Chromium (Cr), % 11 to 12.5
0 to 1.0
Cobalt (Co), % 0
0 to 1.0
Iron (Fe), % 80.5 to 84.8
0 to 2.0
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
26 to 30
Nickel (Ni), % 2.0 to 3.0
64.8 to 74
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0