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EN 1.4931 Steel vs. Grade VDSiCrV Steel

Both EN 1.4931 steel and grade VDSiCrV steel are iron alloys. They have 87% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4931 steel and the bottom bar is grade VDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
630
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 810
2100

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 600
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 24
47
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.3
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
1.9
Embodied Energy, MJ/kg 42
26
Embodied Water, L/kg 100
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
75
Strength to Weight: Bending, points 25
47
Thermal Diffusivity, mm2/s 6.5
13
Thermal Shock Resistance, points 22
63

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.5 to 0.7
Chromium (Cr), % 11.3 to 12.2
0.5 to 1.0
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 83.2 to 86.8
96.1 to 97.8
Manganese (Mn), % 0.5 to 0.8
0.4 to 0.9
Molybdenum (Mo), % 1.0 to 1.2
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.4
1.2 to 1.7
Sulfur (S), % 0 to 0.020
0 to 0.020
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0.1 to 0.25