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Grade 36 Titanium vs. ASTM A369 Grade FP11

Grade 36 titanium belongs to the titanium alloys classification, while ASTM A369 grade FP11 belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 36 titanium and the bottom bar is ASTM A369 grade FP11.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 300
160
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 320
300
Tensile Strength: Ultimate (UTS), MPa 530
470
Tensile Strength: Yield (Proof), MPa 520
240

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 320
430
Melting Completion (Liquidus), °C 2020
1460
Melting Onset (Solidus), °C 1950
1420
Specific Heat Capacity, J/kg-K 420
470
Thermal Expansion, µm/m-K 8.1
13

Otherwise Unclassified Properties

Density, g/cm3 6.3
7.8
Embodied Carbon, kg CO2/kg material 58
1.6
Embodied Energy, MJ/kg 920
21
Embodied Water, L/kg 130
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
80
Resilience: Unit (Modulus of Resilience), kJ/m3 1260
150
Stiffness to Weight: Axial, points 9.3
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 23
17
Thermal Shock Resistance, points 45
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 0
1.0 to 1.5
Hydrogen (H), % 0 to 0.0035
0
Iron (Fe), % 0 to 0.030
96.1 to 97.7
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Niobium (Nb), % 42 to 47
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.5 to 1.0
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 52.3 to 58
0
Residuals, % 0 to 0.4
0