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SAE-AISI S6 Steel vs. S30601 Stainless Steel

Both SAE-AISI S6 steel and S30601 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S6 steel and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 670 to 1920
660

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1390
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
20
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.3
3.9
Embodied Energy, MJ/kg 33
55
Embodied Water, L/kg 56
150

Common Calculations

PREN (Pitting Resistance) 2.7
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
24
Strength to Weight: Bending, points 22 to 45
22
Thermal Shock Resistance, points 22 to 64
16

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.015
Chromium (Cr), % 1.2 to 1.5
17 to 18
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 92.8 to 94.7
56.9 to 60.5
Manganese (Mn), % 1.2 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 0.3 to 0.5
0 to 0.2
Nickel (Ni), % 0
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 2.0 to 2.5
5.0 to 5.6
Sulfur (S), % 0 to 0.030
0 to 0.013
Vanadium (V), % 0.2 to 0.4
0