Titanium Alloy Grade 11
Titanium, a highly sought-after metal, is renowned for the exceptional properties that make it a favorite in various industries. With its non-corrosive nature and robustness, titanium has gained widespread popularity. Among its notable grades is Titanium Grade 11, also known as Ti-11-0.15Mo. This grade of commercially pure titanium not only exhibits outstanding corrosion resistance but also thrives in even the harshest environments.
Description
Titanium Grade 11 has physical and mechanical properties similar to Grade 1. Due to the addition of palladium, it has enhanced corrosion resistance in crevices and reducing acid chloride environments. It has good ductility and cold formability, along with high impact toughness and excellent weldability.
Composed of 99.0% titanium and 0.15% molybdenum, Titanium Grade 11 showcases remarkable resistance to pitting and crevice corrosion, making it an ideal choice for applications where durability is paramount. Its high thermal conductivity also allows for efficient heat transfer, while its impressive strength ensures reliability in demanding conditions. Moreover, the low density of Titanium Grade 11 adds to its appeal, offering lightweight solutions without compromising on performance.
Products Description
High level of titanium production technology
Nominal Composition
Fe: 0.20 max
O: 0.18 max
C: 0.08 max
N: 0.03 max
H: 0.015 max
Pd: 0.25 max
Ti: Balance
Physical Properties
Density: 0.163 lb/in3, (4.51 g/cm3)
Modulus of Elasticity (E):
At 70°F (20°C): 16.3 x 103 ksi (112 GPa)
Modulus of Rigidity (G)
At 70°F (20°C): 5.9 x 103 ksi (41 GPa)
Coefficient of Expansion:
5.4 µin/in.-°F (70°F to 932°F)
9.7 µm/m-°C (20°C to 500°C)
Electrical Resistivity: 21 µΩ.in, (53.3 µΩ.cm)
Thermal Conductivity: 12.6 Btu-in/ft2hr-°F, (21.79 W/m-K)
Typical Mechanical Properties
Annealed
Heat Treatment: 1290°F
Tensile Strength: 35 ksi (240 MPa) min – 50 ksi (345 MPa) typ
Suggested Operating Conditions: -300°F to 1000°F (-184°C to 540°C)
Titanium Alloy Grade 11 is a Ti-0.15Pd titanium alloy formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. 3.7225 is the EN numeric designation for this material. R52250 is the UNS number. Additionally, the ASTM designation is Titanium Grade 11.
Grade 11 is the most resistant Ti alloy to corrosion in reducing acids and localized attack in hot halide media, with physical, mechanical, formability properties equivalent to Gr. 1 Ti (soft grade) and excellent weldability.
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