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EN 1.7227 Steel vs. Grade FDCrV Steel

Both EN 1.7227 steel and grade FDCrV steel are iron alloys. Their average alloy composition is basically identical. There are 24 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7227 steel and the bottom bar is grade FDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 540 to 1850
1800

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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 46
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.9
Embodied Energy, MJ/kg 20
26
Embodied Water, L/kg 51
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 65
64
Strength to Weight: Bending, points 19 to 43
42
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 16 to 54
53

Alloy Composition

Carbon (C), % 0.38 to 0.45
0.62 to 0.72
Chromium (Cr), % 0.9 to 1.2
0.4 to 0.6
Copper (Cu), % 0 to 0.25
0 to 0.12
Iron (Fe), % 96.5 to 98
97.8 to 98.8
Manganese (Mn), % 0.6 to 0.9
0.5 to 0.9
Molybdenum (Mo), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.3
0.15 to 0.3
Sulfur (S), % 0.020 to 0.040
0 to 0.025
Vanadium (V), % 0
0.15 to 0.25