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AISI 445 Stainless Steel vs. EN 2.4650 Nickel

AISI 445 stainless steel belongs to the iron alloys classification, while EN 2.4650 nickel belongs to the nickel alloys. They have a modest 21% 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 (4, in this case) are not shown.

For each property being compared, the top bar is AISI 445 stainless steel and the bottom bar is EN 2.4650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25
34
Fatigue Strength, MPa 160
480
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
80
Shear Strength, MPa 310
730
Tensile Strength: Ultimate (UTS), MPa 480
1090
Tensile Strength: Yield (Proof), MPa 230
650

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 950
1010
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
80
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.6
10
Embodied Energy, MJ/kg 38
140
Embodied Water, L/kg 130
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
320
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1030
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
36
Strength to Weight: Bending, points 18
28
Thermal Diffusivity, mm2/s 5.6
3.1
Thermal Shock Resistance, points 16
33

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.6
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.020
0.040 to 0.080
Chromium (Cr), % 19 to 21
19 to 21
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0.3 to 0.6
0 to 0.2
Iron (Fe), % 74.9 to 80.7
0 to 0.7
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 0
5.6 to 6.1
Nickel (Ni), % 0 to 0.6
46.9 to 54.2
Niobium (Nb), % 0 to 0.8
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.012
0 to 0.0070
Titanium (Ti), % 0
1.9 to 2.4