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Grade VDSiCrV Steel vs. N08020 Stainless Steel

Both grade VDSiCrV steel and N08020 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade VDSiCrV steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 2100
610 to 620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 47
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
38
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 1.9
6.6
Embodied Energy, MJ/kg 26
92
Embodied Water, L/kg 50
220

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 75
21
Strength to Weight: Bending, points 47
20
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 63
15

Alloy Composition

Carbon (C), % 0.5 to 0.7
0 to 0.070
Chromium (Cr), % 0.5 to 1.0
19 to 21
Copper (Cu), % 0 to 0.060
3.0 to 4.0
Iron (Fe), % 96.1 to 97.8
29.9 to 44
Manganese (Mn), % 0.4 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 1.2 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.035
Vanadium (V), % 0.1 to 0.25
0