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Grade FDSiCr Steel vs. S24000 Stainless Steel

Both grade FDSiCr steel and S24000 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Reduction in Area, % 42
57
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 1930
770

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 410
910
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
12
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
39
Embodied Water, L/kg 48
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 69
28
Strength to Weight: Bending, points 44
24
Thermal Shock Resistance, points 58
16

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.080
Chromium (Cr), % 0.5 to 0.8
17 to 19
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96.5 to 97.8
61.5 to 69
Manganese (Mn), % 0.5 to 0.9
11.5 to 14.5
Nickel (Ni), % 0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 1.2 to 1.6
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030