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EN 1.7365 Steel vs. Grade FDSiCr Steel

Both EN 1.7365 steel and grade FDSiCr steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7365 steel and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
580
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 700
1930

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 510
410
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 24
20
Embodied Water, L/kg 70
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
69
Strength to Weight: Bending, points 22
44
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 20
58

Alloy Composition

Carbon (C), % 0.12 to 0.19
0.5 to 0.6
Chromium (Cr), % 4.0 to 6.0
0.5 to 0.8
Copper (Cu), % 0 to 0.3
0 to 0.12
Iron (Fe), % 91.2 to 94.9
96.5 to 97.8
Manganese (Mn), % 0.5 to 0.8
0.5 to 0.9
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.8
1.2 to 1.6
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0 to 0.050
0