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SAE-AISI S2 Steel vs. EN 1.4527 Stainless Steel

Both SAE-AISI S2 steel and EN 1.4527 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S2 steel and the bottom bar is EN 1.4527 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 1940
480

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.1
5.6
Embodied Energy, MJ/kg 30
78
Embodied Water, L/kg 49
210

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
17
Strength to Weight: Bending, points 22 to 44
17
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 23 to 68
12

Alloy Composition

Carbon (C), % 0.4 to 0.55
0 to 0.060
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 96 to 98.1
37.4 to 48.5
Manganese (Mn), % 0.3 to 0.5
0 to 1.5
Molybdenum (Mo), % 0.3 to 0.6
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
27.5 to 30.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.9 to 1.2
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.5
0