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ASTM Grade LC9 Steel vs. Grade FDSiCr Steel

Both ASTM grade LC9 steel and grade FDSiCr steel are iron alloys. They have a moderately high 91% 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 ASTM grade LC9 steel and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
580
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34
42
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 660
1930

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 430
410
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.2
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.3
1.5
Embodied Energy, MJ/kg 31
20
Embodied Water, L/kg 65
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
69
Strength to Weight: Bending, points 21
44
Thermal Shock Resistance, points 20
58

Alloy Composition

Carbon (C), % 0 to 0.13
0.5 to 0.6
Chromium (Cr), % 0 to 0.5
0.5 to 0.8
Copper (Cu), % 0 to 0.3
0 to 0.12
Iron (Fe), % 87.4 to 91.5
96.5 to 97.8
Manganese (Mn), % 0 to 0.9
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.45
1.2 to 1.6
Sulfur (S), % 0 to 0.045
0 to 0.025
Vanadium (V), % 0 to 0.030
0