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Grade 24 Titanium vs. ASTM A369 Grade FP22

Grade 24 titanium belongs to the titanium alloys classification, while ASTM A369 grade FP22 belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is ASTM A369 grade FP22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 550
160
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Shear Strength, MPa 610
300
Tensile Strength: Ultimate (UTS), MPa 1010
470
Tensile Strength: Yield (Proof), MPa 940
240

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 340
460
Melting Completion (Liquidus), °C 1610
1470
Melting Onset (Solidus), °C 1560
1430
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
39
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.7

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 43
1.7
Embodied Energy, MJ/kg 710
23
Embodied Water, L/kg 310
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
17
Strength to Weight: Bending, points 50
17
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 72
14

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0.050 to 0.15
Chromium (Cr), % 0
1.9 to 2.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
95 to 96.9
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.87 to 1.1
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0