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Grade FDSiCrV Steel vs. S41045 Stainless Steel

Both grade FDSiCrV steel and S41045 stainless steel are iron alloys. They have 88% 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 grade FDSiCrV steel and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 2100
430

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 420
740
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 47
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
8.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.2
Embodied Energy, MJ/kg 26
31
Embodied Water, L/kg 50
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 75
16
Strength to Weight: Bending, points 47
16
Thermal Diffusivity, mm2/s 13
7.8
Thermal Shock Resistance, points 63
16

Alloy Composition

Carbon (C), % 0.5 to 0.7
0 to 0.030
Chromium (Cr), % 0.5 to 1.0
12 to 13
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96 to 97.8
83.8 to 88
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.2 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.1 to 0.25
0