The ATI 425 Titanium Alloy is a titanium alloy developed and produced by Allegheny Technologies Incorporated (ATI).
It is produced in multiple product forms, including sheet, coil, strip, Precision Rolled Strip and foil, plate, seamless tube, shapes and rectangles, as well as castings.
The ATI 425 Titanium Alloy was debuted on June 14, 2010 at the land and air-land defense and security exhibition Eurosatory in Paris, France.
Composition AlVaFeOCNHTi Remainder Each Remainder Total Min 3.52.01.20.2 -- -- -- Balance -- -- Max 4.53.01.80.300.080.030.015 Balance 0.100.30 See
Applications
Markets for ATI 425 Alloy include aerospace, defense, industrial, medical and recreation. The corrosion resistance of the ATI 425 Alloy to saltwater environments also makes it a candidate for marine-related applications.
Specifically, the ATI 425 Alloy is designed for: Wing sheets Defense rotor aircraft Ground vehicles Soldier support and protection Weapons systems Naval systems Boiler/pressure vessel applications Additional naval applications, including shiphold structural materials; armor; doors, hatches and bulkheads; and piping Golf clubs (Titleist TSI)
The ATI 425 Alloy was used on the Phoenix Mars Lander, which was launched on August 4, 2007.
Availability
The ATI 425 Alloy currently is available in the following forms:
Cold-rolled coil Bar High-performance plate 36" width1-meter width48" width 1.0″, 2.0″, 3.25″ round bar0.25″, 0.344″, 0.5″ round coil1.44″ × 3.0″ rectangleU-channel shape Thicknesses ranging from 0.25 to 2.1 inches
Certifications
The ATI 425 Alloy sheet is processed to the AMS 6946 specification.
The ASME Board on Pressure Technology Codes and Standards (BPTCS) has approved ATI 425 Alloy for use in Section VIII, Div. 1 construction up to 600 °F (316 °C).
The ATI 425 Alloy has been assigned a titanium grade 38 by ASTM International. It can be welded using ERTi-38 weld wire, which is produced in accordance with AWS 5.16/A5.16M.
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