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S40920 Stainless Steel vs. Grade FDCrV Steel

Both S40920 stainless steel and grade FDCrV steel are iron alloys. They have 89% of their average alloy composition in common. There are 25 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 S40920 stainless steel and the bottom bar is grade FDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
540
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 430
1800

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 710
410
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
48
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.9
Embodied Energy, MJ/kg 28
26
Embodied Water, L/kg 94
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
64
Strength to Weight: Bending, points 16
42
Thermal Diffusivity, mm2/s 6.9
13
Thermal Shock Resistance, points 15
53

Alloy Composition

Carbon (C), % 0 to 0.030
0.62 to 0.72
Chromium (Cr), % 10.5 to 11.7
0.4 to 0.6
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 85.1 to 89.4
97.8 to 98.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0.15 to 0.5
0
Vanadium (V), % 0
0.15 to 0.25