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SAE-AISI S2 Steel vs. S30601 Stainless Steel

Both SAE-AISI S2 steel and S30601 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S2 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 1940
660

Thermal Properties

Latent Heat of Fusion, J/g 260
370
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
20
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.1
3.9
Embodied Energy, MJ/kg 30
55
Embodied Water, L/kg 49
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
24
Strength to Weight: Bending, points 22 to 44
22
Thermal Shock Resistance, points 23 to 68
16

Alloy Composition

Carbon (C), % 0.4 to 0.55
0 to 0.015
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 96 to 98.1
56.9 to 60.5
Manganese (Mn), % 0.3 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 0.3 to 0.6
0 to 0.2
Nickel (Ni), % 0 to 0.3
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.9 to 1.2
5.0 to 5.6
Sulfur (S), % 0 to 0.030
0 to 0.013
Vanadium (V), % 0 to 0.5
0