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Grade VDC Steel vs. AISI 446 Stainless Steel

Both grade VDC steel and AISI 446 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 26 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 AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Reduction in Area, % 50
50
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 1700
570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1180
Melting Completion (Liquidus), °C 1450
1510
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 51
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.4
Embodied Energy, MJ/kg 19
35
Embodied Water, L/kg 47
150

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 60
21
Strength to Weight: Bending, points 40
20
Thermal Diffusivity, mm2/s 14
4.6
Thermal Shock Resistance, points 50
19

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.2
Chromium (Cr), % 0 to 0.3
23 to 27
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 98.3 to 99.35
69.2 to 77
Manganese (Mn), % 0.5 to 1.0
0 to 1.5
Nickel (Ni), % 0
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.15 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030