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SAE-AISI S2 Steel vs. EN 1.8201 Steel

Both SAE-AISI S2 steel and EN 1.8201 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 23 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 S2 steel and the bottom bar is EN 1.8201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
74
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
630

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1450
1500
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
7.0
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.1
2.5
Embodied Energy, MJ/kg 30
36
Embodied Water, L/kg 49
59

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
22
Strength to Weight: Bending, points 22 to 44
20
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 23 to 68
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0.4 to 0.55
0.040 to 0.1
Chromium (Cr), % 0
1.9 to 2.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96 to 98.1
93.6 to 96.2
Manganese (Mn), % 0.3 to 0.5
0.1 to 0.6
Molybdenum (Mo), % 0.3 to 0.6
0.050 to 0.3
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.9 to 1.2
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0 to 0.5
0.2 to 0.3