TIMET TIMETAL® 21S Titanium Alloy (Ti-15Mo-3Nb-3Al-0.2Si, ASTM Grade 21); ST 1500°F (816°C) + Age 1000°F (538°C)

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TIMET TIMETAL® 21S Titanium Alloy (Ti-15Mo-3Nb-3Al-0.2Si, ASTM Grade 21); ST 1500°F (816°C) + Age 1000°F (538°C)
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Beta Titanium Alloy
Material Notes:	Mechanical property data for samples solution treated 1500°F (816°C), then aged 1000°F (538°C) for 8 hours. High-Strength, Oxidation Resistant Strip Alloy Features: Offers the good cold formability and weldability of a beta strip alloy, but with greatly improved oxidation resistance and creep strength. Aerospace applications include engine exhaust plug and nozzle assemblies. The alloy's resistance to aircraft hydraulic fluids, such as Skydrol, is excellent at all temperatures. It is well suited for metal matrix composites because it can be economically rolled to foil, is compatible with most fibers, and is sufficiently stable up to 816°C. Typical heat treatment for this alloy: Solution treatment: 816-843°C (1500° - 1550°F) for 3-30 min, air cool. Age treatment: 510-679°C (950° - 1275°F) for 8-16 hrs. Data provided by TIMET.
Key Words:	Beta 21S; UNS R58210
Vendors:

Available Properties

Density, Typical
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Elongation at Break
Elongation at Break
Elongation at Break
Elongation at Break
Elongation at Break
Modulus of Elasticity, Aged 1000°F (538C) for 8 hours
Electrical Resistivity
Electrical Resistivity
Electrical Resistivity
Electrical Resistivity
CTE, linear
CTE, linear
CTE, linear
CTE, linear
CTE, linear
CTE, linear
CTE, linear
Specific Heat Capacity
Specific Heat Capacity
Specific Heat Capacity
Specific Heat Capacity
Thermal Conductivity
Thermal Conductivity
Thermal Conductivity
Thermal Conductivity
Maximum Service Temperature, Air, Structural Applications
Beta Transus
Aluminum, Al
Carbon, C
Hydrogen, H
Iron, Fe
Molybdenum, Mo
Niobium, Nb (Columbium, Cb)
Nitrogen, N
Other, each
Other, total
Oxygen, O
Silicon, Si
Titanium, Ti, Calculated as remainder

Property Data

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