MakeItFrom.com
Menu (ESC)

SAE-AISI T15 Steel vs. SAE-AISI 1144 Steel

Both SAE-AISI T15 steel and SAE-AISI 1144 steel are iron alloys. They have 71% of their average alloy composition in common. There are 21 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 SAE-AISI T15 steel and the bottom bar is SAE-AISI 1144 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
72
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
750 to 840

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1690
1450
Melting Onset (Solidus), °C 1640
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 21
51
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 43
1.9
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 16
1.4
Embodied Energy, MJ/kg 250
19
Embodied Water, L/kg 140
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26 to 71
27 to 30
Strength to Weight: Bending, points 22 to 43
23 to 25
Thermal Diffusivity, mm2/s 5.6
14
Thermal Shock Resistance, points 26 to 70
22 to 24

Alloy Composition

Carbon (C), % 1.5 to 1.6
0.4 to 0.48
Chromium (Cr), % 3.8 to 5.0
0
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 67.5 to 73.5
97.5 to 98
Manganese (Mn), % 0.15 to 0.4
1.4 to 1.7
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.030
0.24 to 0.33
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0