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Nickel 686 vs. SAE-AISI H19 Steel

Nickel 686 belongs to the nickel alloys classification, while SAE-AISI H19 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 H19 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 780
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1380
1540
Melting Onset (Solidus), °C 1340
1490
Specific Heat Capacity, J/kg-K 420
460
Thermal Conductivity, W/m-K 9.8
29
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
22
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 12
7.5
Embodied Energy, MJ/kg 170
110
Embodied Water, L/kg 300
110

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
24 to 68
Strength to Weight: Bending, points 21
22 to 43
Thermal Diffusivity, mm2/s 2.6
7.9
Thermal Shock Resistance, points 21
21 to 59

Alloy Composition

Carbon (C), % 0 to 0.010
0.32 to 0.45
Chromium (Cr), % 19 to 23
4.0 to 4.8
Cobalt (Co), % 0
4.0 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 5.0
81.4 to 85.5
Manganese (Mn), % 0 to 0.75
0.2 to 0.5
Molybdenum (Mo), % 15 to 17
0.3 to 0.55
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
0.2 to 0.5
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
3.8 to 4.5
Vanadium (V), % 0
1.8 to 2.2