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EN 1.3558 Steel vs. EN 1.5525 Steel

Both EN 1.3558 steel and EN 1.5525 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 (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 1.5525 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
130 to 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
440 to 1440

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
50
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.2

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
48

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23
16 to 51
Strength to Weight: Bending, points 20
16 to 36
Thermal Diffusivity, mm2/s 5.3
13
Thermal Shock Resistance, points 22
13 to 42

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.7 to 0.8
0.18 to 0.23
Chromium (Cr), % 3.9 to 4.3
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 73.7 to 77.6
97.7 to 98.9
Manganese (Mn), % 0 to 0.4
0.9 to 1.2
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0