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ASTM Grade LC9 Steel vs. AWS E383

Both ASTM grade LC9 steel and AWS E383 are iron alloys. They have 44% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC9 steel and the bottom bar is AWS E383.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 22
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 660
580

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
37
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.3
6.4
Embodied Energy, MJ/kg 31
89
Embodied Water, L/kg 65
240

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.030
Chromium (Cr), % 0 to 0.5
26.5 to 29
Copper (Cu), % 0 to 0.3
0.6 to 1.5
Iron (Fe), % 87.4 to 91.5
28.8 to 39.2
Manganese (Mn), % 0 to 0.9
0.5 to 2.5
Molybdenum (Mo), % 0 to 0.2
3.2 to 4.2
Nickel (Ni), % 8.5 to 10
30 to 33
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.45
0 to 0.9
Sulfur (S), % 0 to 0.045
0 to 0.020
Vanadium (V), % 0 to 0.030
0