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SAE-AISI S2 Steel vs. EN 1.0254 Steel

Both SAE-AISI S2 steel and EN 1.0254 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 1.0254 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
73
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
430

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
50
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.1
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
1.5
Embodied Energy, MJ/kg 30
19
Embodied Water, L/kg 49
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
15
Strength to Weight: Bending, points 22 to 44
16
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 23 to 68
14

Alloy Composition

Carbon (C), % 0.4 to 0.55
0 to 0.16
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 96 to 98.1
97.2 to 100
Manganese (Mn), % 0.3 to 0.5
0 to 1.2
Molybdenum (Mo), % 0.3 to 0.6
0 to 0.080
Nickel (Ni), % 0 to 0.3
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.9 to 1.2
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0 to 0.5
0 to 0.020