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EN 1.4724 Stainless Steel vs. Grade FDSiCrV Steel

Both EN 1.4724 stainless steel and grade FDSiCrV steel are iron alloys. They have 87% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4724 stainless steel and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
630
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 550
2100

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 850
420
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 21
47
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.3
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
1.9
Embodied Energy, MJ/kg 28
26
Embodied Water, L/kg 110
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
75
Strength to Weight: Bending, points 19
47
Thermal Diffusivity, mm2/s 5.6
13
Thermal Shock Resistance, points 19
63

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0.5 to 0.7
Chromium (Cr), % 12 to 14
0.5 to 1.0
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 82.2 to 86.6
96 to 97.8
Manganese (Mn), % 0 to 1.0
0.4 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.7 to 1.4
1.2 to 1.7
Sulfur (S), % 0 to 0.015
0 to 0.025
Vanadium (V), % 0
0.1 to 0.25