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S31254 Stainless Steel vs. Grade VDSiCrV Steel

Both S31254 stainless steel and grade VDSiCrV steel are iron alloys. They have 56% 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 S31254 stainless steel and the bottom bar is grade VDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
630
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
48
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 720
2100

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1090
420
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 14
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.3
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.5
1.9
Embodied Energy, MJ/kg 74
26
Embodied Water, L/kg 190
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
75
Strength to Weight: Bending, points 22
47
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15
63

Alloy Composition

Carbon (C), % 0 to 0.020
0.5 to 0.7
Chromium (Cr), % 19.5 to 20.5
0.5 to 1.0
Copper (Cu), % 0.5 to 1.0
0 to 0.060
Iron (Fe), % 51.4 to 56.3
96.1 to 97.8
Manganese (Mn), % 0 to 1.0
0.4 to 0.9
Molybdenum (Mo), % 6.0 to 6.5
0
Nickel (Ni), % 17.5 to 18.5
0
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.8
1.2 to 1.7
Sulfur (S), % 0 to 0.010
0 to 0.020
Vanadium (V), % 0
0.1 to 0.25