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Nickel 686 vs. SAE-AISI M62 Steel

Nickel 686 belongs to the nickel alloys classification, while SAE-AISI M62 steel belongs to the iron alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is SAE-AISI M62 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
79
Tensile Strength: Ultimate (UTS), MPa 780
830 to 2440

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1380
1650
Melting Onset (Solidus), °C 1340
1600
Specific Heat Capacity, J/kg-K 420
430
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
30
Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 12
10
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 300
110

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24
27 to 80
Strength to Weight: Bending, points 21
23 to 47
Thermal Shock Resistance, points 21
24 to 71

Alloy Composition

Carbon (C), % 0 to 0.010
1.3 to 1.4
Chromium (Cr), % 19 to 23
3.5 to 4.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 5.0
73.6 to 77.4
Manganese (Mn), % 0 to 0.75
0.15 to 0.4
Molybdenum (Mo), % 15 to 17
10 to 11
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
5.8 to 6.5
Vanadium (V), % 0
1.8 to 2.1