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Grade FDSiCr Steel vs. S46500 Stainless Steel

Both grade FDSiCr steel and S46500 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 1930
1260 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 410
780
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
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
3.6
Embodied Energy, MJ/kg 20
51
Embodied Water, L/kg 48
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 69
44 to 68
Strength to Weight: Bending, points 44
33 to 44
Thermal Shock Resistance, points 58
44 to 67

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.020
Chromium (Cr), % 0.5 to 0.8
11 to 12.5
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96.5 to 97.8
72.6 to 76.1
Manganese (Mn), % 0.5 to 0.9
0 to 0.25
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 1.2 to 1.6
0 to 0.25
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
1.5 to 1.8