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EN 1.3558 Steel vs. EN 1.8821 Steel

Both EN 1.3558 steel and EN 1.8821 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 EN 1.8821 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
160
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
530

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
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 45
2.3
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.6
Embodied Energy, MJ/kg 130
21
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
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 5.3
13
Thermal Shock Resistance, points 22
16

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.030
Carbon (C), % 0.7 to 0.8
0 to 0.14
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
96.8 to 99.98
Manganese (Mn), % 0 to 0.4
0 to 1.6
Molybdenum (Mo), % 0 to 0.6
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0 to 0.1