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EN 2.4668 Nickel vs. SAE-AISI H42 Steel

EN 2.4668 nickel belongs to the nickel alloys classification, while SAE-AISI H42 steel belongs to the iron alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 2.4668 nickel and the bottom bar is SAE-AISI H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 1390
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 13
24
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
24
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 13
8.8
Embodied Energy, MJ/kg 190
130
Embodied Water, L/kg 250
98

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 46
23 to 65
Strength to Weight: Bending, points 33
21 to 42
Thermal Diffusivity, mm2/s 3.5
6.5
Thermal Shock Resistance, points 40
20 to 57

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
0
Boron (B), % 0.0020 to 0.0060
0
Carbon (C), % 0.020 to 0.080
0.55 to 0.7
Chromium (Cr), % 17 to 21
3.8 to 4.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 11.2 to 24.6
79.3 to 83.8
Manganese (Mn), % 0 to 0.35
0.15 to 0.4
Molybdenum (Mo), % 2.8 to 3.3
4.5 to 5.5
Nickel (Ni), % 50 to 55
0 to 0.3
Niobium (Nb), % 4.7 to 5.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.6 to 1.2
0
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2