Description

ASTM B381 Standard for Titanium Forged products,like Titanium rings,Titanium discs,Titanium flanges,Titanium shafts or other customized forged products.

Scope

This specification covers 39 grades of annealed titanium and titanium alloy forgings as follows:

Grade F-1-UNS R50250. Unalloyed titanium

Grade F-2-UNS R50400. Unalloyed titanium

Grade F-2H-UNS R50400. Unalloyed titanium(Grade 2 with 58 ksi (400 MPa) minimum UTS)

Grade F-5-UNS R56400. Titanium alloy (6% aluminum, 4 % vanadium)

Grade F-7-UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium

Grade F-7H-UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS)

Grade F-9-UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium)

Grade F-12-UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel)

Grade F-23-UNS R56407. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitials, ELI)

Materials and Manufacture

Material conforming to the latest revision of Specification B348 shall be used when producing forgings to this specification.

Applications products:

Titanium rings

Titanium discs

Titanium flanges

Titanium shafts

Sizes

Flange: BL.WN/SO/TH/SW Size based on ASME B16.5

Surface

Polishing,Acid pickling,Bright surface

Workmanship, Finish, and Appearance

Titanium alloy forgings shall be free of injurious external and internal imperfections of a nature that will interfere with the purpose for which they are intended. Annealed forgings may be furnished as descaled,sandblasted,or ground.The manufacturer shall be permitted to remove minor surface imperfections by spot grinding if such grinding does not reduce the thickness of the forging below the minimum permitted by the tolerance for the forging at the applicable location.

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