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EN 1.3558 Steel vs. EN 1.6587 Steel

Both EN 1.3558 steel and EN 1.6587 steel are iron alloys. They have 78% 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 1.6587 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
160 to 220
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
520 to 1420

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 490
440
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
41
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 45
3.8
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.4
1.7
Embodied Energy, MJ/kg 130
22
Embodied Water, L/kg 90
58

Common Calculations

PREN (Pitting Resistance) 35
2.6
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23
18 to 50
Strength to Weight: Bending, points 20
18 to 36
Thermal Diffusivity, mm2/s 5.3
11
Thermal Shock Resistance, points 22
15 to 42

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.7 to 0.8
0.15 to 0.21
Chromium (Cr), % 3.9 to 4.3
1.5 to 1.8
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 73.7 to 77.6
94.4 to 96.4
Manganese (Mn), % 0 to 0.4
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.6
0.25 to 0.35
Nickel (Ni), % 0
1.4 to 1.7
Oxygen (O), % 0
0 to 0.0020
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 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0