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Grade FDC Steel vs. EN 1.4821 Stainless Steel

Both grade FDC steel and EN 1.4821 stainless steel are iron alloys. They have 69% 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 FDC steel and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 1680
730

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 51
17
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
15
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 47
160

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 60
26
Strength to Weight: Bending, points 40
23
Thermal Diffusivity, mm2/s 14
4.6
Thermal Shock Resistance, points 50
21

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.1 to 0.2
Chromium (Cr), % 0 to 0.3
24.5 to 26.5
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 98 to 99.4
64.2 to 71.1
Manganese (Mn), % 0.5 to 1.2
0 to 2.0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.1 to 0.35
0.8 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.015