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AISI 422 Stainless Steel vs. Grade VDSiCr Steel

Both AISI 422 stainless steel and grade VDSiCr steel are iron alloys. They have 86% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
590
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Reduction in Area, % 34 to 40
48
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
1950

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 650
410
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.2
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 44
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 32 to 38
70
Strength to Weight: Bending, points 26 to 30
45
Thermal Diffusivity, mm2/s 6.4
12
Thermal Shock Resistance, points 33 to 39
58

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.5 to 0.6
Chromium (Cr), % 11 to 12.5
0.5 to 0.8
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 81.9 to 85.8
96.6 to 97.8
Manganese (Mn), % 0.5 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
1.2 to 1.6
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0