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EN 1.3558 Steel vs. EN 1.8522 Steel

Both EN 1.3558 steel and EN 1.8522 steel are iron alloys. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is EN 1.8522 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
220 to 380
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 770
730 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Maximum Temperature: Mechanical, °C 490
470
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
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 45
4.2
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.4
2.2
Embodied Energy, MJ/kg 130
31
Embodied Water, L/kg 90
63

Common Calculations

PREN (Pitting Resistance) 35
6.2
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23
26 to 44
Strength to Weight: Bending, points 20
23 to 33
Thermal Diffusivity, mm2/s 5.3
11
Thermal Shock Resistance, points 22
21 to 36

Alloy Composition

Carbon (C), % 0.7 to 0.8
0.29 to 0.36
Chromium (Cr), % 3.9 to 4.3
2.8 to 3.3
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 73.7 to 77.6
93.7 to 96
Manganese (Mn), % 0 to 0.4
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.6
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0.15 to 0.25