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EN 1.3558 Steel vs. SAE-AISI 1141 Steel

Both EN 1.3558 steel and SAE-AISI 1141 steel are iron alloys. They have 76% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 770
740 to 810

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 490
400
Melting Completion (Liquidus), °C 1810
1460
Melting Onset (Solidus), °C 1760
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
10
Electrical Conductivity: Equal Weight (Specific), % IACS 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
1.9
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.4
Embodied Energy, MJ/kg 130
19
Embodied Water, L/kg 90
47

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23
26 to 29
Strength to Weight: Bending, points 20
23 to 25
Thermal Diffusivity, mm2/s 5.3
14
Thermal Shock Resistance, points 22
24 to 26

Alloy Composition

Carbon (C), % 0.7 to 0.8
0.37 to 0.45
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
97.7 to 98.2
Manganese (Mn), % 0 to 0.4
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0