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S44800 Stainless Steel vs. Grade FDSiCrV Steel

Both S44800 stainless steel and grade FDSiCrV steel are iron alloys. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
630
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Reduction in Area, % 45
42
Shear Modulus, GPa 82
80
Tensile Strength: Ultimate (UTS), MPa 590
2100

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
47
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.3
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 52
26
Embodied Water, L/kg 190
50

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
75
Strength to Weight: Bending, points 20
47
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 19
63

Alloy Composition

Carbon (C), % 0 to 0.010
0.5 to 0.7
Chromium (Cr), % 28 to 30
0.5 to 1.0
Copper (Cu), % 0 to 0.15
0 to 0.12
Iron (Fe), % 62.6 to 66.5
96 to 97.8
Manganese (Mn), % 0 to 0.3
0.4 to 0.9
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.2
1.2 to 1.7
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0
0.1 to 0.25