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Grade 27 Titanium vs. ASTM A182 Grade F23

Grade 27 titanium belongs to the titanium alloys classification, while ASTM A182 grade F23 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 F23.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
22
Fatigue Strength, MPa 170
320
Poisson's Ratio 0.32
0.29
Reduction in Area, % 34
46
Shear Modulus, GPa 41
74
Shear Strength, MPa 180
360
Tensile Strength: Ultimate (UTS), MPa 270
570
Tensile Strength: Yield (Proof), MPa 230
460

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
450
Melting Completion (Liquidus), °C 1660
1500
Melting Onset (Solidus), °C 1610
1450
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
41
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
7.0
Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 33
2.5
Embodied Energy, MJ/kg 530
36
Embodied Water, L/kg 320
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 8.8
11
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 0
1.9 to 2.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
93.2 to 96.2
Manganese (Mn), % 0
0.1 to 0.6
Molybdenum (Mo), % 0
0.050 to 0.3
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0 to 0.030
0 to 0.015
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.030
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 99 to 99.92
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3
Residuals, % 0 to 0.4
0