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EN 1.7108 Steel vs. Grade FDSiCrV Steel

Both EN 1.7108 steel and grade FDSiCrV 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 EN 1.7108 steel and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 510
630
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
2100

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 410
420
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 46
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.3
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.9
Embodied Energy, MJ/kg 20
26
Embodied Water, L/kg 47
50

Common Calculations

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

Alloy Composition

Carbon (C), % 0.57 to 0.65
0.5 to 0.7
Chromium (Cr), % 0.2 to 0.45
0.5 to 1.0
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 95.9 to 96.9
96 to 97.8
Manganese (Mn), % 0.7 to 1.0
0.4 to 0.9
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 1.6 to 2.0
1.2 to 1.7
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0
0.1 to 0.25