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SAE-AISI P3 Steel vs. Nickel 686

SAE-AISI P3 steel belongs to the iron alloys classification, while nickel 686 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P3 steel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 410 to 1980
780

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 46
9.8
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
70
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 1.5
12
Embodied Energy, MJ/kg 20
170
Embodied Water, L/kg 50
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 15 to 70
24
Strength to Weight: Bending, points 16 to 44
21
Thermal Diffusivity, mm2/s 12
2.6
Thermal Shock Resistance, points 14 to 65
21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.010
Chromium (Cr), % 0.4 to 0.75
19 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.3 to 98.4
0 to 5.0
Manganese (Mn), % 0.2 to 0.6
0 to 0.75
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 1.0 to 1.5
49.5 to 63
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4