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Grade FDSiCrV Steel vs. EN 1.4903 Stainless Steel

Both grade FDSiCrV steel and EN 1.4903 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCrV steel and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 2100
670 to 680

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 420
650
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 47
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
7.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.6
Embodied Energy, MJ/kg 26
36
Embodied Water, L/kg 50
88

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 75
24
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 13
7.0
Thermal Shock Resistance, points 63
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.5 to 0.7
0.080 to 0.12
Chromium (Cr), % 0.5 to 1.0
8.0 to 9.5
Copper (Cu), % 0 to 0.12
0 to 0.3
Iron (Fe), % 96 to 97.8
87.1 to 90.5
Manganese (Mn), % 0.4 to 0.9
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 1.2 to 1.7
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0.1 to 0.25
0.18 to 0.25