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N08020 Stainless Steel vs. Grade FDSiCr Steel

Both N08020 stainless steel and grade FDSiCr steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 N08020 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 610 to 620
1930

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
48
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 38
2.2
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 6.6
1.5
Embodied Energy, MJ/kg 92
20
Embodied Water, L/kg 220
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
69
Strength to Weight: Bending, points 20
44
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 15
58

Alloy Composition

Carbon (C), % 0 to 0.070
0.5 to 0.6
Chromium (Cr), % 19 to 21
0.5 to 0.8
Copper (Cu), % 3.0 to 4.0
0 to 0.12
Iron (Fe), % 29.9 to 44
96.5 to 97.8
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 38
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
1.2 to 1.6
Sulfur (S), % 0 to 0.035
0 to 0.025