TIMETAL® 50A CP Titanium (ASTM Grade 2)
Subcategory: Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium
Key Words: UNS R50400
|Component|| Wt. %|
|C||Max 0.08|| |
|Fe||Max 0.3|| |
|H||Max 0.015|| |
|N ||Max 0.03|| |
|O||Max 0.25|| |
|Ti||Min 98.9|| |
Titanium content above is calculated as the remainder and may not reflect the actual range.
Commercially Pure Titanium.
Industry Specifications: USA Aerospace: AMS 4902, 4941. Germany Engineering: 3.7035. Germany Aerospace: 3.7034. France: T-40. UK Aerospace Specifications BS TA. 2, 3, 4, 5.
Features: The mechanical properties of CP titanium are influenced by small additions of oxygen and iron. By careful control of these additions, the various grades of commercially pure titanium are produced to give properties suited to different applications. TIMETAL 50A is equivalent to ASTM Grade 2. It is the "workhorse" for industrial applications, having a guaranteed minimum 0.2% yield strength and good ductility and formability. It is used extensively for sea water piping, reactor vessels and heat exchangers throughout the CPI, Petrochemical, Oil and Gas and Naval/Marine markets. This alloy is also ASME approved, has good impact properties at low temperatures, and has excellent resistance to erosion and corrosion by seawater and marine atmospheres. It can be easily welded, machined, cold worked, hot worked, and cast. It is nonmagnetic.
Typical heat treatment for this alloy: Anneal at 700°C for 1 hour and air cool. Stress Relieve at 500°C for 30 mins and air cool.
Data provided by TIMET.
|Density||4.51 g/cc||0.163 lb/in³|| Typical|
|Tensile Strength, Ultimate||485 MPa||70300 psi|| Typical|
|Tensile Strength, Yield||345 MPa||50000 psi|| Typical 0.2% Proof Stress|
|Elongation at Break||28 %||28 %|| Typical|
|Reduction of Area||57 %||57 %|| Typical|
|Modulus of Elasticity||105 - 120 GPa||15200 - 17400 ksi|| Typical|
|Fatigue Strength||154 MPa||22300 psi|| Notched, Kt=3; limit at 10^7 cycles; rotating bend|
|Fatigue Strength||232 MPa||33600 psi|| Smooth, Kt=1; limit at 10^7 cycles; rotating bend|
|Electrical Resistivity||5.3e-005 ohm-cm||5.3e-005 ohm-cm|| |
|CTE, linear 20°C||8.6 µm/m-°C||4.78 µin/in-°F|| 20-100°C|
|CTE, linear 250°C||9.5 µm/m-°C||5.28 µin/in-°F|| 20-300°C|
|CTE, linear 500°C||9.7 µm/m-°C||5.39 µin/in-°F|| 20-500°C|
|Thermal Conductivity||21.79 W/m-K||151 BTU-in/hr-ft²-°F|| |
|Maximum Service Temperature, Air||425 °C||797 °F|| Continuous|
|Maximum Service Temperature, Air||540 °C||1000 °F|| Intermittant|
|Beta Transus||915 °C||1680 °F|| |
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