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Annealed Grade 29 Titanium vs. Annealed SAE-AISI M3 Class 2

Annealed grade 29 titanium belongs to the titanium alloys classification, while annealed SAE-AISI M3 class 2 belongs to the iron alloys. 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 annealed grade 29 titanium and the bottom bar is annealed SAE-AISI M3 class 2.

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
77
Tensile Strength: Ultimate (UTS), MPa 930
770

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1610
1620
Melting Onset (Solidus), °C 1560
1570
Specific Heat Capacity, J/kg-K 560
440
Thermal Conductivity, W/m-K 7.3
26
Thermal Expansion, µm/m-K 9.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
25
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 39
12
Embodied Energy, MJ/kg 640
180
Embodied Water, L/kg 410
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 58
26
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 2.9
7.2
Thermal Shock Resistance, points 68
24

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
1.2 to 1.3
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
75.8 to 82.3
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
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
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88 to 90.9
0
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 3.5 to 4.5
2.8 to 3.8
Residuals, % 0 to 0.4
0