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EN 1.5538 Steel vs. Grade FDCrV Steel

Both EN 1.5538 steel and grade FDCrV steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5538 steel and the bottom bar is grade FDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 190
540
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 64 to 69
42
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 530 to 1810
1800

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
26
Embodied Water, L/kg 48
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 64
64
Strength to Weight: Bending, points 19 to 42
42
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 16 to 53
53

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.35 to 0.4
0.62 to 0.72
Chromium (Cr), % 0 to 0.3
0.4 to 0.6
Copper (Cu), % 0 to 0.25
0 to 0.12
Iron (Fe), % 97.2 to 98.5
97.8 to 98.8
Manganese (Mn), % 1.2 to 1.5
0.5 to 0.9
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.3
0.15 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0
0.15 to 0.25