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Grade 21 Titanium vs. ASTM A182 Grade F10

Grade 21 titanium belongs to the titanium alloys classification, while ASTM A182 grade F10 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 21 titanium and the bottom bar is ASTM A182 grade F10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 9.0 to 17
34
Fatigue Strength, MPa 550 to 660
180
Poisson's Ratio 0.32
0.29
Reduction in Area, % 22
56
Shear Modulus, GPa 51
74
Shear Strength, MPa 550 to 790
420
Tensile Strength: Ultimate (UTS), MPa 890 to 1340
630
Tensile Strength: Yield (Proof), MPa 870 to 1170
230

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 310
600
Melting Completion (Liquidus), °C 1740
1420
Melting Onset (Solidus), °C 1690
1370
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 7.1
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
18
Density, g/cm3 5.4
7.9
Embodied Carbon, kg CO2/kg material 32
3.6
Embodied Energy, MJ/kg 490
51
Embodied Water, L/kg 180
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 180
170
Resilience: Unit (Modulus of Resilience), kJ/m3 2760 to 5010
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 46 to 69
22
Strength to Weight: Bending, points 38 to 50
21
Thermal Shock Resistance, points 66 to 100
18

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.050
0.1 to 0.2
Chromium (Cr), % 0
7.0 to 9.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
66.5 to 72.4
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 14 to 16
0
Nickel (Ni), % 0
19 to 22
Niobium (Nb), % 2.2 to 3.2
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.17
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.15 to 0.25
1.0 to 1.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 76 to 81.2
0
Residuals, % 0 to 0.4
0