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EN 2.4951 Nickel vs. AISI 420 Stainless Steel

EN 2.4951 nickel belongs to the nickel alloys classification, while AISI 420 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4951 nickel and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
8.0 to 15
Fatigue Strength, MPa 200
220 to 670
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 500
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 750
690 to 1720
Tensile Strength: Yield (Proof), MPa 270
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1150
620
Melting Completion (Liquidus), °C 1360
1510
Melting Onset (Solidus), °C 1310
1450
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 60
7.5
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 9.3
2.0
Embodied Energy, MJ/kg 130
28
Embodied Water, L/kg 280
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
380 to 4410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25
25 to 62
Strength to Weight: Bending, points 22
22 to 41
Thermal Diffusivity, mm2/s 3.1
7.3
Thermal Shock Resistance, points 23
25 to 62

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.080 to 0.15
0.15 to 0.4
Chromium (Cr), % 18 to 21
12 to 14
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
82.3 to 87.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 65.4 to 81.7
0 to 0.75
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.2 to 0.6
0