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EN 1.4104 Stainless Steel vs. Grade FDSiCr Steel

Both EN 1.4104 stainless steel and grade FDSiCr steel are iron alloys. They have 83% 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 1.4104 stainless steel and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 630 to 750
1930

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 860
410
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
48
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.2
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 30
20
Embodied Water, L/kg 120
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
69
Strength to Weight: Bending, points 21 to 24
44
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 22 to 27
58

Alloy Composition

Carbon (C), % 0.1 to 0.17
0.5 to 0.6
Chromium (Cr), % 15.5 to 17.5
0.5 to 0.8
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 78.8 to 84.1
96.5 to 97.8
Manganese (Mn), % 0 to 1.5
0.5 to 0.9
Molybdenum (Mo), % 0.2 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.2 to 1.6
Sulfur (S), % 0.15 to 0.35
0 to 0.025