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SAE-AISI S6 Steel vs. AISI 201 Stainless Steel

Both SAE-AISI S6 steel and AISI 201 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 24 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 S6 steel and the bottom bar is AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 670 to 1920
650 to 1450

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.6
Embodied Energy, MJ/kg 33
38
Embodied Water, L/kg 56
140

Common Calculations

PREN (Pitting Resistance) 2.7
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
23 to 52
Strength to Weight: Bending, points 22 to 45
22 to 37
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 22 to 64
14 to 32

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.15
Chromium (Cr), % 1.2 to 1.5
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.8 to 94.7
67.5 to 75
Manganese (Mn), % 1.2 to 1.5
5.5 to 7.5
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 2.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.2 to 0.4
0

Comparable Variants