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Grade FDC Steel vs. S45000 Stainless Steel

Both grade FDC steel and S45000 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 26 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 FDC steel and the bottom bar is S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
280 to 410
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Reduction in Area, % 42
22 to 50
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 1680
980 to 1410

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
840
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 47
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 60
35 to 50
Strength to Weight: Bending, points 40
28 to 36
Thermal Diffusivity, mm2/s 14
4.5
Thermal Shock Resistance, points 50
33 to 47

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.050
Chromium (Cr), % 0 to 0.3
14 to 16
Copper (Cu), % 0 to 0.12
1.3 to 1.8
Iron (Fe), % 98 to 99.4
72.1 to 79.3
Manganese (Mn), % 0.5 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0
5.0 to 7.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.1 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030