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SAE-AISI T15 Steel vs. ASTM Grade LC9 Steel

Both SAE-AISI T15 steel and ASTM grade LC9 steel are iron alloys. They have 72% 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 T15 steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
660

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1690
1450
Melting Onset (Solidus), °C 1640
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 43
8.0
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 16
2.3
Embodied Energy, MJ/kg 250
31
Embodied Water, L/kg 140
65

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26 to 71
23
Strength to Weight: Bending, points 22 to 43
21
Thermal Shock Resistance, points 26 to 70
20

Alloy Composition

Carbon (C), % 1.5 to 1.6
0 to 0.13
Chromium (Cr), % 3.8 to 5.0
0 to 0.5
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 67.5 to 73.5
87.4 to 91.5
Manganese (Mn), % 0.15 to 0.4
0 to 0.9
Molybdenum (Mo), % 0 to 1.0
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), % 0.15 to 0.4
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.045
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0 to 0.030