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Grade VDSiCr Steel vs. EN 1.5918 Steel

Both grade VDSiCr steel and EN 1.5918 steel are iron alloys. They have a very high 97% of their average alloy composition in common. 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 VDSiCr steel and the bottom bar is EN 1.5918 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
160 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1950
530 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
3.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 20
21
Embodied Water, L/kg 48
56

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
19 to 49
Strength to Weight: Bending, points 45
18 to 35
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 58
15 to 41

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.14 to 0.2
Chromium (Cr), % 0.5 to 0.8
1.4 to 1.7
Copper (Cu), % 0 to 0.060
0 to 0.25
Iron (Fe), % 96.6 to 97.8
94.9 to 96.6
Manganese (Mn), % 0.5 to 0.9
0.5 to 0.9
Nickel (Ni), % 0
1.4 to 1.7
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.2 to 1.6
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.025