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Grade VDC Steel vs. S35140 Stainless Steel

Both grade VDC steel and S35140 stainless steel are iron alloys. They have 50% 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 VDC steel and the bottom bar is S35140 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 1700
690

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.5
Embodied Energy, MJ/kg 19
78
Embodied Water, L/kg 47
190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 60
24
Strength to Weight: Bending, points 40
22
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 50
16

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.1
Chromium (Cr), % 0 to 0.3
20 to 22
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 98.3 to 99.35
44.1 to 52.7
Manganese (Mn), % 0.5 to 1.0
1.0 to 3.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0.15 to 0.3
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030