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EN 1.4034 Stainless Steel vs. N06985 Nickel

EN 1.4034 stainless steel belongs to the iron alloys classification, while N06985 nickel belongs to the nickel alloys. They have a modest 34% 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4034 stainless steel and the bottom bar is N06985 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 14
45
Fatigue Strength, MPa 230 to 400
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 420 to 540
480
Tensile Strength: Ultimate (UTS), MPa 690 to 900
690
Tensile Strength: Yield (Proof), MPa 390 to 730
260

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 770
990
Melting Completion (Liquidus), °C 1440
1350
Melting Onset (Solidus), °C 1390
1260
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 30
10
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
55
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.0
8.8
Embodied Energy, MJ/kg 27
120
Embodied Water, L/kg 100
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
250
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 32
23
Strength to Weight: Bending, points 22 to 27
21
Thermal Diffusivity, mm2/s 8.1
2.6
Thermal Shock Resistance, points 24 to 32
16

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.015
Chromium (Cr), % 12.5 to 14.5
21 to 23.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 83 to 87.1
18 to 21
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0
35.9 to 53.5
Niobium (Nb), % 0
0 to 0.5
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
Tungsten (W), % 0
0 to 1.5