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Nickel 686 vs. SAE-AISI H24 Steel

Nickel 686 belongs to the nickel alloys classification, while SAE-AISI H24 steel belongs to the iron alloys. 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 nickel 686 and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 780
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 320
240
Melting Completion (Liquidus), °C 1380
1750
Melting Onset (Solidus), °C 1340
1700
Specific Heat Capacity, J/kg-K 420
420
Thermal Conductivity, W/m-K 9.8
27
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
37
Density, g/cm3 9.0
9.1
Embodied Carbon, kg CO2/kg material 12
6.1
Embodied Energy, MJ/kg 170
93
Embodied Water, L/kg 300
78

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 24
22 to 61
Strength to Weight: Bending, points 21
20 to 39
Thermal Diffusivity, mm2/s 2.6
6.9
Thermal Shock Resistance, points 21
22 to 61

Alloy Composition

Carbon (C), % 0 to 0.010
0.42 to 0.53
Chromium (Cr), % 19 to 23
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 5.0
78 to 82.4
Manganese (Mn), % 0 to 0.75
0.15 to 0.4
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 49.5 to 63
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.080
0.15 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
14 to 16
Vanadium (V), % 0
0.4 to 0.6