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Grade VDSiCrV Steel vs. EN 1.5515 Steel

Both grade VDSiCrV steel and EN 1.5515 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 1.5515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
150 to 170
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
72
Tensile Strength: Ultimate (UTS), MPa 2100
490 to 1760

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
1.9
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
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 75
17 to 63
Strength to Weight: Bending, points 47
18 to 41
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 63
14 to 52

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.5 to 0.7
0.35 to 0.4
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
97.8 to 98.9
Manganese (Mn), % 0.4 to 0.9
0.6 to 0.9
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 1.2 to 1.7
0.15 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0.1 to 0.25
0