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SAE-AISI T6 Steel vs. SAE-AISI 1345 Steel

Both SAE-AISI T6 steel and SAE-AISI 1345 steel are iron alloys. They have 61% 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 SAE-AISI T6 steel and the bottom bar is SAE-AISI 1345 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 81
72
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
590 to 730

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1830
1450
Melting Onset (Solidus), °C 1770
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 18
51
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.9
Density, g/cm3 9.5
7.8
Embodied Carbon, kg CO2/kg material 11
1.4
Embodied Energy, MJ/kg 170
19
Embodied Water, L/kg 160
48

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 26 to 63
21 to 26
Strength to Weight: Bending, points 21 to 39
20 to 23
Thermal Diffusivity, mm2/s 4.7
14
Thermal Shock Resistance, points 26 to 64
19 to 23

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.43 to 0.48
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 55.9 to 63.5
97.2 to 97.8
Manganese (Mn), % 0.2 to 0.4
1.6 to 1.9
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0

Comparable Variants