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EN 1.4021 Stainless Steel vs. Nickel 30

EN 1.4021 stainless steel belongs to the iron alloys classification, while nickel 30 belongs to the nickel alloys. They have a modest 28% 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 1.4021 stainless steel and the bottom bar is nickel 30.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 17
34
Fatigue Strength, MPa 240 to 380
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
82
Shear Strength, MPa 390 to 530
440
Tensile Strength: Ultimate (UTS), MPa 630 to 880
660
Tensile Strength: Yield (Proof), MPa 390 to 670
270

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 760
1020
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 30
10
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
60
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 1.9
9.4
Embodied Energy, MJ/kg 27
130
Embodied Water, L/kg 100
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 23 to 31
22
Strength to Weight: Bending, points 21 to 26
20
Thermal Diffusivity, mm2/s 8.1
2.7
Thermal Shock Resistance, points 22 to 31
18

Alloy Composition

Carbon (C), % 0.16 to 0.25
0 to 0.030
Chromium (Cr), % 12 to 14
28 to 31.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
1.0 to 2.4
Iron (Fe), % 83.2 to 87.8
13 to 17
Manganese (Mn), % 0 to 1.5
0 to 0.030
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 0
30.2 to 52.2
Niobium (Nb), % 0
0.3 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 0
1.5 to 4.0