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Grade 29 Titanium vs. SAE-AISI P3 Steel

Grade 29 titanium belongs to the titanium alloys classification, while SAE-AISI P3 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 29 titanium and the bottom bar is SAE-AISI P3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 930 to 940
410 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.3
46
Thermal Expansion, µm/m-K 9.3
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.8
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 39
1.5
Embodied Energy, MJ/kg 640
20
Embodied Water, L/kg 410
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 58 to 59
15 to 70
Strength to Weight: Bending, points 47 to 48
16 to 44
Thermal Diffusivity, mm2/s 2.9
12
Thermal Shock Resistance, points 68 to 69
14 to 65

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 0
0.4 to 0.75
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
96.3 to 98.4
Manganese (Mn), % 0
0.2 to 0.6
Nickel (Ni), % 0
1.0 to 1.5
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 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0

Comparable Variants