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EN 2.4856 Nickel vs. SAE-AISI A8 Steel

EN 2.4856 nickel belongs to the nickel alloys classification, while SAE-AISI A8 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 2.4856 nickel and the bottom bar is SAE-AISI A8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 880
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1480
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 10
37
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 80
8.5
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 14
2.3
Embodied Energy, MJ/kg 190
31
Embodied Water, L/kg 290
73

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
25 to 68
Strength to Weight: Bending, points 24
22 to 44
Thermal Diffusivity, mm2/s 2.7
9.9
Thermal Shock Resistance, points 29
22 to 62

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0.030 to 0.1
0.5 to 0.6
Chromium (Cr), % 20 to 23
4.8 to 5.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 0 to 5.0
88.5 to 91.9
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 8.0 to 10
1.2 to 1.7
Nickel (Ni), % 58 to 68.8
0 to 0.3
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.75 to 1.1
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0
Tungsten (W), % 0
1.0 to 1.5