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AISI 446 Stainless Steel vs. EN 2.4654 Nickel

AISI 446 stainless steel belongs to the iron alloys classification, while EN 2.4654 nickel belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is EN 2.4654 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
17
Fatigue Strength, MPa 200
460
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
77
Shear Strength, MPa 360
770
Tensile Strength: Ultimate (UTS), MPa 570
1250
Tensile Strength: Yield (Proof), MPa 300
850

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 1180
1000
Melting Completion (Liquidus), °C 1510
1390
Melting Onset (Solidus), °C 1430
1330
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.4
10
Embodied Energy, MJ/kg 35
150
Embodied Water, L/kg 150
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 230
1810
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 21
42
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 4.6
3.3
Thermal Shock Resistance, points 19
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.2
0.020 to 0.1
Chromium (Cr), % 23 to 27
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 69.2 to 77
0 to 2.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 0 to 0.75
50.6 to 62.5
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.8 to 3.3
Zirconium (Zr), % 0
0.020 to 0.080