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AISI 440B Stainless Steel vs. EN 2.4851 Nickel

AISI 440B stainless steel belongs to the iron alloys classification, while EN 2.4851 nickel belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 440B stainless steel and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 3.0 to 18
34
Fatigue Strength, MPa 260 to 850
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 460 to 1110
430
Tensile Strength: Ultimate (UTS), MPa 740 to 1930
650
Tensile Strength: Yield (Proof), MPa 430 to 1860
230

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 870
1200
Melting Completion (Liquidus), °C 1480
1360
Melting Onset (Solidus), °C 1370
1310
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
11
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
49
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.2
8.1
Embodied Energy, MJ/kg 31
120
Embodied Water, L/kg 120
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57 to 110
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27 to 70
22
Strength to Weight: Bending, points 24 to 45
20
Thermal Diffusivity, mm2/s 6.1
2.9
Thermal Shock Resistance, points 27 to 70
17

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.75 to 1.0
0.030 to 0.1
Chromium (Cr), % 16 to 18
21 to 25
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 78.2 to 83.3
7.7 to 18
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
58 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.5