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Nickel 686 vs. ASTM Grade LC9 Steel

Nickel 686 belongs to the nickel alloys classification, while ASTM grade LC9 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 51
22
Fatigue Strength, MPa 410
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 780
660
Tensile Strength: Yield (Proof), MPa 350
590

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 980
430
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 420
470
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
8.0
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 12
2.3
Embodied Energy, MJ/kg 170
31
Embodied Water, L/kg 300
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
140
Resilience: Unit (Modulus of Resilience), kJ/m3 280
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 21
20

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.13
Chromium (Cr), % 19 to 23
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 5.0
87.4 to 91.5
Manganese (Mn), % 0 to 0.75
0 to 0.9
Molybdenum (Mo), % 15 to 17
0 to 0.2
Nickel (Ni), % 49.5 to 63
8.5 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 0.45
Sulfur (S), % 0 to 0.020
0 to 0.045
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0
Vanadium (V), % 0
0 to 0.030