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SAE-AISI S1 Steel vs. N08535 Stainless Steel

Both SAE-AISI S1 steel and N08535 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 SAE-AISI S1 steel and the bottom bar is N08535 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 73
80
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
570

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1500
1420
Melting Onset (Solidus), °C 1450
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
36
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
6.3
Embodied Energy, MJ/kg 37
87
Embodied Water, L/kg 56
230

Common Calculations

PREN (Pitting Resistance) 5.9
36
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 64
20
Strength to Weight: Bending, points 22 to 42
19
Thermal Diffusivity, mm2/s 11
3.3
Thermal Shock Resistance, points 21 to 56
13

Alloy Composition

Carbon (C), % 0.4 to 0.55
0 to 0.030
Chromium (Cr), % 1.0 to 1.8
24 to 27
Copper (Cu), % 0 to 0.25
0 to 1.5
Iron (Fe), % 91.6 to 96.7
29.4 to 44.5
Manganese (Mn), % 0.1 to 0.4
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 4.0
Nickel (Ni), % 0 to 0.3
29 to 36.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 1.2
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.5 to 3.0
0
Vanadium (V), % 0.15 to 0.3
0