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Grade VDC Steel vs. SAE-AISI 1020 Steel

Both grade VDC steel and SAE-AISI 1020 steel are iron alloys. Their average alloy composition is basically identical. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade VDC steel and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 50
45 to 57
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1700
430 to 460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
45

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 60
15 to 16
Strength to Weight: Bending, points 40
16 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 50
13 to 14

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.18 to 0.23
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 98.3 to 99.35
99.08 to 99.52
Manganese (Mn), % 0.5 to 1.0
0.3 to 0.6
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.15 to 0.3
0
Sulfur (S), % 0 to 0.020
0 to 0.050