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S44635 Stainless Steel vs. Grade FDSiCr Steel

Both S44635 stainless steel and grade FDSiCr steel are iron alloys. They have 67% 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 S44635 stainless steel and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
580
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 710
1930

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.4
1.5
Embodied Energy, MJ/kg 62
20
Embodied Water, L/kg 170
48

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
69
Strength to Weight: Bending, points 23
44
Thermal Diffusivity, mm2/s 4.4
13
Thermal Shock Resistance, points 23
58

Alloy Composition

Carbon (C), % 0 to 0.025
0.5 to 0.6
Chromium (Cr), % 24.5 to 26
0.5 to 0.8
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 61.5 to 68.5
96.5 to 97.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 3.5 to 4.5
0
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0.2 to 0.8
0