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Grade FDSiCr Steel vs. S45503 Stainless Steel

Both grade FDSiCr steel and S45503 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Reduction in Area, % 42
17 to 28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 1930
1610 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 410
760
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
15
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 20
48
Embodied Water, L/kg 48
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 69
57 to 65
Strength to Weight: Bending, points 44
39 to 43
Thermal Shock Resistance, points 58
56 to 64

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.010
Chromium (Cr), % 0.5 to 0.8
11 to 12.5
Copper (Cu), % 0 to 0.12
1.5 to 2.5
Iron (Fe), % 96.5 to 97.8
72.4 to 78.9
Manganese (Mn), % 0.5 to 0.9
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 1.2 to 1.6
0 to 0.2
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4