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Grade VDSiCrV Steel vs. EN 1.5408 Steel

Both grade VDSiCrV steel and EN 1.5408 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is grade VDSiCrV steel and the bottom bar is EN 1.5408 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 48
64 to 69
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 2100
460 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 420
400
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 47
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 26
19
Embodied Water, L/kg 50
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 75
16 to 57
Strength to Weight: Bending, points 47
17 to 39
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 63
13 to 48

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.5 to 0.7
0.28 to 0.32
Chromium (Cr), % 0.5 to 1.0
0 to 0.3
Copper (Cu), % 0 to 0.060
0 to 0.25
Iron (Fe), % 96.1 to 97.8
97.7 to 98.8
Manganese (Mn), % 0.4 to 0.9
0.8 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.12
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 1.2 to 1.7
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0.1 to 0.25
0