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EN 1.7117 Steel vs. Grade VDSiCr Steel

Both EN 1.7117 steel and grade VDSiCr 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 1.7117 steel and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
590
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 660 to 1930
1950

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 420
410
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 43
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.2
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 21
20
Embodied Water, L/kg 51
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 69
70
Strength to Weight: Bending, points 22 to 44
45
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 20 to 58
58

Alloy Composition

Carbon (C), % 0.49 to 0.56
0.5 to 0.6
Chromium (Cr), % 0.7 to 1.0
0.5 to 0.8
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 95.2 to 96.4
96.6 to 97.8
Manganese (Mn), % 0.7 to 1.0
0.5 to 0.9
Nickel (Ni), % 0.5 to 0.7
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.2 to 1.5
1.2 to 1.6
Sulfur (S), % 0 to 0.025
0 to 0.020