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SAE-AISI P6 Steel vs. S66286 Stainless Steel

Both SAE-AISI P6 steel and S66286 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P6 steel and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 630 to 1930
620 to 1020

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
6.0
Embodied Energy, MJ/kg 24
87
Embodied Water, L/kg 59
170

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 68
22 to 36
Strength to Weight: Bending, points 21 to 44
20 to 28
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 21 to 63
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 1.3 to 1.8
13.5 to 16
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.9 to 95
49.1 to 59.5
Manganese (Mn), % 0.35 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 3.3 to 3.8
24 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.1 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5

Comparable Variants