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SAE-AISI A8 Steel vs. EN 2.4608 Nickel

SAE-AISI A8 steel belongs to the iron alloys classification, while EN 2.4608 nickel belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 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 SAE-AISI A8 steel and the bottom bar is EN 2.4608 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
81
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
620

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 37
11
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
55
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.3
8.4
Embodied Energy, MJ/kg 31
120
Embodied Water, L/kg 73
270

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 25 to 68
20
Strength to Weight: Bending, points 22 to 44
19
Thermal Diffusivity, mm2/s 9.9
2.9
Thermal Shock Resistance, points 22 to 62
16

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.030 to 0.080
Chromium (Cr), % 4.8 to 5.5
24 to 26
Cobalt (Co), % 0
2.5 to 4.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.5 to 91.9
11.4 to 23.8
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 1.2 to 1.7
2.5 to 4.0
Nickel (Ni), % 0 to 0.3
44 to 47
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.75 to 1.1
0.7 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 1.0 to 1.5
2.5 to 4.0