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Grade FDSiCr Steel vs. EN 1.7108 Steel

Both grade FDSiCr steel and EN 1.7108 steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is EN 1.7108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
200 to 510
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 1930
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 410
410
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 48
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.1
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 48
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 69
24 to 75
Strength to Weight: Bending, points 44
22 to 47
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 58
20 to 63

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.57 to 0.65
Chromium (Cr), % 0.5 to 0.8
0.2 to 0.45
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96.5 to 97.8
95.9 to 96.9
Manganese (Mn), % 0.5 to 0.9
0.7 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 1.2 to 1.6
1.6 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.025