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S66286 Stainless Steel vs. SAE-AISI M50 Steel

Both S66286 stainless steel and SAE-AISI M50 steel are iron alloys. They have 61% of their average alloy composition in common. There are 24 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 S66286 stainless steel and the bottom bar is SAE-AISI M50 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 75
75
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1370
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
35
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
10

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
5.1
Embodied Energy, MJ/kg 87
74
Embodied Water, L/kg 170
83

Common Calculations

PREN (Pitting Resistance) 19
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 36
26 to 80
Strength to Weight: Bending, points 20 to 28
23 to 49
Thermal Diffusivity, mm2/s 4.0
9.7
Thermal Shock Resistance, points 13 to 22
21 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0.78 to 0.88
Chromium (Cr), % 13.5 to 16
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 49.1 to 59.5
87 to 90.4
Manganese (Mn), % 0 to 2.0
0.15 to 0.45
Molybdenum (Mo), % 1.0 to 1.5
3.9 to 4.8
Nickel (Ni), % 24 to 27
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0.8 to 1.3

Comparable Variants