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S46500 Stainless Steel vs. Nickel 686

S46500 stainless steel belongs to the iron alloys classification, while nickel 686 belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S46500 stainless steel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 2.3 to 14
51
Fatigue Strength, MPa 550 to 890
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
77
Shear Strength, MPa 730 to 1120
560
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
780
Tensile Strength: Yield (Proof), MPa 1120 to 1810
350

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 780
980
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
420
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
70
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 3.6
12
Embodied Energy, MJ/kg 51
170
Embodied Water, L/kg 120
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 210
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 44 to 68
24
Strength to Weight: Bending, points 33 to 44
21
Thermal Shock Resistance, points 44 to 67
21

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.010
Chromium (Cr), % 11 to 12.5
19 to 23
Iron (Fe), % 72.6 to 76.1
0 to 5.0
Manganese (Mn), % 0 to 0.25
0 to 0.75
Molybdenum (Mo), % 0.75 to 1.3
15 to 17
Nickel (Ni), % 10.7 to 11.3
49.5 to 63
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 0.080
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 1.5 to 1.8
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4