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SAE-AISI S6 Steel vs. S35315 Stainless Steel

Both SAE-AISI S6 steel and S35315 stainless steel are iron alloys. They have 41% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S6 steel and the bottom bar is S35315 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
78
Tensile Strength: Ultimate (UTS), MPa 670 to 1920
740

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 41
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
34
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
5.7
Embodied Energy, MJ/kg 33
81
Embodied Water, L/kg 56
220

Common Calculations

PREN (Pitting Resistance) 2.7
27
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
26
Strength to Weight: Bending, points 22 to 45
23
Thermal Diffusivity, mm2/s 11
3.1
Thermal Shock Resistance, points 22 to 64
17

Alloy Composition

Carbon (C), % 0.4 to 0.5
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 1.2 to 1.5
24 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.8 to 94.7
33.6 to 40.6
Manganese (Mn), % 1.2 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 2.0 to 2.5
1.2 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.2 to 0.4
0