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EN 1.5515 Steel vs. Grade VDSiCrV Steel

Both EN 1.5515 steel and grade VDSiCrV 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 EN 1.5515 steel and the bottom bar is grade VDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 170
630
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 64 to 69
48
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 490 to 1760
2100

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.3
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
26
Embodied Water, L/kg 47
50

Common Calculations

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

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.35 to 0.4
0.5 to 0.7
Chromium (Cr), % 0 to 0.3
0.5 to 1.0
Copper (Cu), % 0 to 0.25
0 to 0.060
Iron (Fe), % 97.8 to 98.9
96.1 to 97.8
Manganese (Mn), % 0.6 to 0.9
0.4 to 0.9
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.15 to 0.3
1.2 to 1.7
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0
0.1 to 0.25