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Grade VDSiCr Steel vs. S42300 Stainless Steel

Both grade VDSiCr steel and S42300 stainless steel are iron alloys. They have 85% 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 grade VDSiCr steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Reduction in Area, % 48
22
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 1950
1100

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 410
750
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
9.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.2
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 48
110

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 70
39
Strength to Weight: Bending, points 45
30
Thermal Diffusivity, mm2/s 12
6.8
Thermal Shock Resistance, points 58
40

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.27 to 0.32
Chromium (Cr), % 0.5 to 0.8
11 to 12
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 96.6 to 97.8
82 to 85.1
Manganese (Mn), % 0.5 to 0.9
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.2 to 1.6
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3