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SAE-AISI H42 Steel vs. N06985 Nickel

SAE-AISI H42 steel belongs to the iron alloys classification, while N06985 nickel belongs to the nickel alloys. They have a modest 30% 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 (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is N06985 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
690

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1620
1350
Melting Onset (Solidus), °C 1570
1260
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 24
10
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
55
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 8.8
8.8
Embodied Energy, MJ/kg 130
120
Embodied Water, L/kg 98
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 23 to 65
23
Strength to Weight: Bending, points 21 to 42
21
Thermal Diffusivity, mm2/s 6.5
2.6
Thermal Shock Resistance, points 20 to 57
16

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.015
Chromium (Cr), % 3.8 to 4.5
21 to 23.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0 to 0.25
1.5 to 2.5
Iron (Fe), % 79.3 to 83.8
18 to 21
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.5 to 5.5
6.0 to 8.0
Nickel (Ni), % 0 to 0.3
35.9 to 53.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.8
0 to 1.5
Vanadium (V), % 1.8 to 2.2
0