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S20431 Stainless Steel vs. Grade VDCrV Steel

Both S20431 stainless steel and grade VDCrV steel are iron alloys. They have 72% of their average alloy composition in common. There are 25 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 S20431 stainless steel and the bottom bar is grade VDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
520
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 710
1730

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
410
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.9
Embodied Energy, MJ/kg 36
26
Embodied Water, L/kg 140
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
61
Strength to Weight: Bending, points 23
41
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 15
51

Alloy Composition

Carbon (C), % 0 to 0.12
0.62 to 0.72
Chromium (Cr), % 17 to 18
0.4 to 0.6
Copper (Cu), % 1.5 to 3.5
0 to 0.060
Iron (Fe), % 66.1 to 74.4
97.8 to 98.8
Manganese (Mn), % 5.0 to 7.0
0.5 to 0.9
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0
0.15 to 0.25