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EN 1.3558 Steel vs. SAE-AISI 50B50 Steel

Both EN 1.3558 steel and SAE-AISI 50B50 steel are iron alloys. They have 77% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 50B50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 770
590

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 490
410
Melting Completion (Liquidus), °C 1810
1460
Melting Onset (Solidus), °C 1760
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
45
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 45
2.0
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
48

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 5.3
12
Thermal Shock Resistance, points 22
17

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0.7 to 0.8
0.48 to 0.53
Chromium (Cr), % 3.9 to 4.3
0.4 to 0.6
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
97.4 to 98.2
Manganese (Mn), % 0 to 0.4
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0