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Annealed Grade 23 Titanium vs. Annealed SAE-AISI M33

Annealed grade 23 titanium belongs to the titanium alloys classification, while annealed SAE-AISI M33 belongs to the iron alloys. There are 21 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 annealed grade 23 titanium and the bottom bar is annealed SAE-AISI M33.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 940
810

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Melting Completion (Liquidus), °C 1610
1550
Melting Onset (Solidus), °C 1560
1500
Specific Heat Capacity, J/kg-K 560
440
Thermal Conductivity, W/m-K 7.1
20
Thermal Expansion, µm/m-K 9.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
32
Density, g/cm3 4.4
8.2
Embodied Carbon, kg CO2/kg material 38
7.7
Embodied Energy, MJ/kg 610
110
Embodied Water, L/kg 200
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 59
27
Strength to Weight: Bending, points 48
24
Thermal Diffusivity, mm2/s 2.9
5.5
Thermal Shock Resistance, points 68
25

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.85 to 0.92
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.25
71.4 to 76.3
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
9.0 to 10
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.1 to 91
0
Tungsten (W), % 0
1.3 to 2.1
Vanadium (V), % 3.5 to 4.5
1.0 to 1.4
Residuals, % 0 to 0.4
0