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Grade VDSiCrV Steel vs. EN 1.7706 Steel

Both grade VDSiCrV steel and EN 1.7706 steel are iron alloys. They have a very high 98% 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 grade VDSiCrV steel and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 2100
690

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 420
440
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 47
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
3.7
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
2.3
Embodied Energy, MJ/kg 26
32
Embodied Water, L/kg 50
57

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 75
24
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 63
20

Alloy Composition

Carbon (C), % 0.5 to 0.7
0.15 to 0.2
Chromium (Cr), % 0.5 to 1.0
1.2 to 1.5
Copper (Cu), % 0 to 0.060
0 to 0.3
Iron (Fe), % 96.1 to 97.8
94.7 to 97.1
Manganese (Mn), % 0.4 to 0.9
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 1.2 to 1.7
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.015
Vanadium (V), % 0.1 to 0.25
0.2 to 0.3