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SAE-AISI T5 Steel vs. ASTM Grade LC9 Steel

Both SAE-AISI T5 steel and ASTM grade LC9 steel are iron alloys. They have 66% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T5 steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
660

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1810
1450
Melting Onset (Solidus), °C 1750
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
8.0
Density, g/cm3 9.4
7.9
Embodied Carbon, kg CO2/kg material 11
2.3
Embodied Energy, MJ/kg 170
31
Embodied Water, L/kg 140
65

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 25 to 63
23
Strength to Weight: Bending, points 21 to 39
21
Thermal Shock Resistance, points 26 to 66
20

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.13
Chromium (Cr), % 3.8 to 5.0
0 to 0.5
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 60.6 to 68.3
87.4 to 91.5
Manganese (Mn), % 0.2 to 0.4
0 to 0.9
Molybdenum (Mo), % 0.5 to 1.3
0 to 0.2
Nickel (Ni), % 0 to 0.3
8.5 to 10
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.045
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0 to 0.030