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Grade VDSiCr Steel vs. EN 1.6957 Steel

Both grade VDSiCr steel and EN 1.6957 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 26 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 VDSiCr steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 48
46
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1950
930

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
450
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
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.1
Embodied Energy, MJ/kg 20
29
Embodied Water, L/kg 48
60

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
33
Strength to Weight: Bending, points 45
27
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 58
27

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.22 to 0.32
Chromium (Cr), % 0.5 to 0.8
1.2 to 1.8
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 96.6 to 97.8
92.7 to 94.7
Manganese (Mn), % 0.5 to 0.9
0.15 to 0.4
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0
3.4 to 4.0
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 1.2 to 1.6
0 to 0.15
Sulfur (S), % 0 to 0.020
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15