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SAE-AISI O2 Steel vs. EN 2.4878 Nickel

SAE-AISI O2 steel belongs to the iron alloys classification, while EN 2.4878 nickel belongs to the nickel alloys. There are 21 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 SAE-AISI O2 steel and the bottom bar is EN 2.4878 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 640 to 2050
1210 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Melting Completion (Liquidus), °C 1450
1370
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 43
11
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
80
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.8
10
Embodied Energy, MJ/kg 26
150
Embodied Water, L/kg 50
370

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 73
41 to 42
Strength to Weight: Bending, points 21 to 46
31
Thermal Diffusivity, mm2/s 12
2.8
Thermal Shock Resistance, points 22 to 70
37 to 39

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.010 to 0.015
Carbon (C), % 0.85 to 1.0
0.030 to 0.070
Chromium (Cr), % 0 to 0.5
23 to 25
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 95 to 97.8
0 to 1.0
Manganese (Mn), % 1.4 to 1.8
0 to 0.5
Molybdenum (Mo), % 0 to 0.3
1.0 to 2.0
Nickel (Ni), % 0 to 0.3
43.6 to 52.2
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0070
Tantalum (Ta), % 0
0 to 0.050
Titanium (Ti), % 0
2.8 to 3.2
Vanadium (V), % 0 to 0.3
0
Zirconium (Zr), % 0
0.030 to 0.070

Comparable Variants