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Grade 27 Titanium vs. ASTM A182 Grade F24

Grade 27 titanium belongs to the titanium alloys classification, while ASTM A182 grade F24 belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is ASTM A182 grade F24.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
23
Fatigue Strength, MPa 170
330
Poisson's Ratio 0.32
0.29
Reduction in Area, % 34
45
Shear Modulus, GPa 41
74
Shear Strength, MPa 180
420
Tensile Strength: Ultimate (UTS), MPa 270
670
Tensile Strength: Yield (Proof), MPa 230
460

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
460
Melting Completion (Liquidus), °C 1660
1470
Melting Onset (Solidus), °C 1610
1430
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
39
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
2.3
Embodied Energy, MJ/kg 530
33
Embodied Water, L/kg 320
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
140
Resilience: Unit (Modulus of Resilience), kJ/m3 240
570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 8.8
11
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0 to 0.080
0.050 to 0.1
Chromium (Cr), % 0
2.2 to 2.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
94.5 to 96.1
Manganese (Mn), % 0
0.3 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0 to 0.030
0 to 0.12
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.020
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0.15 to 0.45
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 99 to 99.92
0.060 to 0.1
Vanadium (V), % 0
0.2 to 0.3
Residuals, % 0 to 0.4
0