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EN 1.4807 Stainless Steel vs. Grade FDSiCr Steel

Both EN 1.4807 stainless steel and grade FDSiCr steel are iron alloys. They have 45% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4807 stainless steel and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
580
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 480
1930

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1000
410
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
48
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 39
2.2
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.8
1.5
Embodied Energy, MJ/kg 97
20
Embodied Water, L/kg 190
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
69
Strength to Weight: Bending, points 17
44
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 12
58

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.5 to 0.6
Chromium (Cr), % 17 to 20
0.5 to 0.8
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 36.6 to 46.7
96.5 to 97.8
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
0
Niobium (Nb), % 1.0 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.025