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EN 1.4031 Stainless Steel vs. Grade FDCrV Steel

Both EN 1.4031 stainless steel and grade FDCrV steel are iron alloys. They have 87% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4031 stainless 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 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 670 to 900
1800

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
410
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
48
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.9
Embodied Energy, MJ/kg 27
26
Embodied Water, L/kg 100
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 32
64
Strength to Weight: Bending, points 22 to 27
42
Thermal Diffusivity, mm2/s 8.1
13
Thermal Shock Resistance, points 23 to 32
53

Alloy Composition

Carbon (C), % 0.36 to 0.42
0.62 to 0.72
Chromium (Cr), % 12.5 to 14.5
0.4 to 0.6
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 83 to 87.1
97.8 to 98.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025
Vanadium (V), % 0
0.15 to 0.25