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EN 1.4525 Stainless Steel vs. Grade FDC Steel

Both EN 1.4525 stainless steel and grade FDC steel are iron alloys. They have 76% of their average alloy composition in common. There are 24 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 EN 1.4525 stainless steel and the bottom bar is grade FDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
1680

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.2

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 45
60
Strength to Weight: Bending, points 29 to 33
40
Thermal Diffusivity, mm2/s 4.7
14
Thermal Shock Resistance, points 34 to 41
50

Alloy Composition

Carbon (C), % 0 to 0.070
0.6 to 0.75
Chromium (Cr), % 15 to 17
0 to 0.3
Copper (Cu), % 2.5 to 4.0
0 to 0.12
Iron (Fe), % 70.4 to 79
98 to 99.4
Manganese (Mn), % 0 to 1.0
0.5 to 1.2
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.8
0.1 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.025