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Grade VDC Steel vs. ASTM Grade LC9 Steel

Both grade VDC steel and ASTM grade LC9 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade VDC steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 50
34
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1700
660

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
430
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
10

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
8.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 19
31
Embodied Water, L/kg 47
65

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 60
23
Strength to Weight: Bending, points 40
21
Thermal Shock Resistance, points 50
20

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.13
Chromium (Cr), % 0 to 0.3
0 to 0.5
Copper (Cu), % 0 to 0.060
0 to 0.3
Iron (Fe), % 98.3 to 99.35
87.4 to 91.5
Manganese (Mn), % 0.5 to 1.0
0 to 0.9
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
8.5 to 10
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.15 to 0.3
0 to 0.45
Sulfur (S), % 0 to 0.020
0 to 0.045
Vanadium (V), % 0
0 to 0.030