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Grade VDSiCr Steel vs. EN 1.7244 Steel

Both grade VDSiCr steel and EN 1.7244 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is grade VDSiCr steel and the bottom bar is EN 1.7244 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
140 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 48
65 to 67
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1950
470 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
420
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 46
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 48
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
17 to 49
Strength to Weight: Bending, points 45
17 to 35
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 58
14 to 41

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.15 to 0.21
Chromium (Cr), % 0.5 to 0.8
0.9 to 1.2
Copper (Cu), % 0 to 0.060
0 to 0.25
Iron (Fe), % 96.6 to 97.8
96.8 to 98.2
Manganese (Mn), % 0.5 to 0.9
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.2 to 1.6
0 to 0.3
Sulfur (S), % 0 to 0.020
0.020 to 0.040