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Grade FDSiCr Steel vs. S32050 Stainless Steel

Both grade FDSiCr steel and S32050 stainless steel are iron alloys. They have 49% of their average alloy composition in common. There are 25 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 grade FDSiCr steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 1930
770

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 1.5
6.0
Embodied Energy, MJ/kg 20
81
Embodied Water, L/kg 48
210

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 69
27
Strength to Weight: Bending, points 44
23
Thermal Diffusivity, mm2/s 13
3.3
Thermal Shock Resistance, points 58
17

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.030
Chromium (Cr), % 0.5 to 0.8
22 to 24
Copper (Cu), % 0 to 0.12
0 to 0.4
Iron (Fe), % 96.5 to 97.8
43.1 to 51.8
Manganese (Mn), % 0.5 to 0.9
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 0
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 1.2 to 1.6
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020