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Grade VDSiCr Steel vs. S20432 Stainless Steel

Both grade VDSiCr steel and S20432 stainless 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 grade VDSiCr steel and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 1950
580

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 410
900
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
38
Embodied Water, L/kg 48
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 70
21
Strength to Weight: Bending, points 45
20
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 58
13

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.080
Chromium (Cr), % 0.5 to 0.8
17 to 18
Copper (Cu), % 0 to 0.060
2.0 to 3.0
Iron (Fe), % 96.6 to 97.8
66.7 to 74
Manganese (Mn), % 0.5 to 0.9
3.0 to 5.0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 1.2 to 1.6
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030