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EN 1.4857 Stainless Steel vs. Grade FDSiCrV Steel

Both EN 1.4857 stainless steel and grade FDSiCrV steel are iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4857 stainless steel and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
630
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 500
2100

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1370
1440
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
47
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.3
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.7
1.9
Embodied Energy, MJ/kg 81
26
Embodied Water, L/kg 220
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
75
Strength to Weight: Bending, points 18
47
Thermal Diffusivity, mm2/s 3.4
13
Thermal Shock Resistance, points 11
63

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.5 to 0.7
Chromium (Cr), % 24 to 27
0.5 to 1.0
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 31.4 to 41.7
96 to 97.8
Manganese (Mn), % 0 to 2.0
0.4 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 36
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
1.2 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.1 to 0.25