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ASTM Grade LC3 Steel vs. SAE-AISI M6 Steel

Both ASTM grade LC3 steel and SAE-AISI M6 steel are iron alloys. They have 72% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC3 steel and the bottom bar is SAE-AISI M6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 570
840 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1460
1560
Melting Onset (Solidus), °C 1420
1510
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 52
17
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
39
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 1.7
8.0
Embodied Energy, MJ/kg 23
120
Embodied Water, L/kg 52
160

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20
28 to 73
Strength to Weight: Bending, points 19
24 to 45
Thermal Diffusivity, mm2/s 14
4.7
Thermal Shock Resistance, points 17
26 to 68

Alloy Composition

Carbon (C), % 0 to 0.15
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
11 to 13
Iron (Fe), % 94.4 to 96.5
68.8 to 74.6
Manganese (Mn), % 0.5 to 0.8
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 3.0 to 4.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.6
0.2 to 0.45
Sulfur (S), % 0 to 0.045
0 to 0.030
Tungsten (W), % 0
3.8 to 4.8
Vanadium (V), % 0
1.3 to 1.7