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Grade FDC Steel vs. EN 1.5511 Steel

Both grade FDC steel and EN 1.5511 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is grade FDC steel and the bottom bar is EN 1.5511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
150 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 42
51 to 69
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 1680
490 to 580

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 60
17 to 20
Strength to Weight: Bending, points 40
18 to 20
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 50
15 to 17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.6 to 0.75
0.32 to 0.39
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 98 to 99.4
98.3 to 99.159
Manganese (Mn), % 0.5 to 1.2
0.5 to 0.8
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.1 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.015