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EN 1.4931 Steel vs. Grade VDSiCr Steel

Both EN 1.4931 steel and grade VDSiCr 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 VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
590
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
1950

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 600
410
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
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 100
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
70
Strength to Weight: Bending, points 25
45
Thermal Diffusivity, mm2/s 6.5
12
Thermal Shock Resistance, points 22
58

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.5 to 0.6
Chromium (Cr), % 11.3 to 12.2
0.5 to 0.8
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 83.2 to 86.8
96.6 to 97.8
Manganese (Mn), % 0.5 to 0.8
0.5 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 0.025
Silicon (Si), % 0 to 0.4
1.2 to 1.6
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