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ASTM B348/B348M-21

Standard Specification for Titanium and Titanium Alloy Bars and Billets
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1.1Β This specification2 covers annealed titanium and titanium alloy bars and billets as follows:

1.1.1Β Grade 1β€”UNS R50250. Unalloyed titanium,

1.1.2Β Grade 2β€”UNS R50400. Unalloyed titanium,

1.1.2.1Β Grade 2Hβ€”UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi [400 MPa] minimum UTS),

1.1.3Β Grade 3β€”UNS R50550. Unalloyed titanium,

1.1.4Β Grade 4β€”UNS R50700. Unalloyed titanium,

1.1.5Β Grade 5β€”UNS R56400. Titanium alloy (6 % aluminum, 4 % vanadium),

1.1.6Β Grade 6β€”UNS R54520. Titanium alloy (5 % aluminum, 2.5 % tin),

1.1.7Β Grade 7β€”UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.7.1Β Grade 7Hβ€”UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi [400 MPa] minimum UTS),

1.1.8Β Grade 9β€”UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.1.9Β Grade 11β€”UNS R52250. Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.10Β Grade 12β€”UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

1.1.11Β Grade 13β€”UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.12Β Grade 14β€”UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.13Β Grade 15β€”UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.14Β Grade 16β€”UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.14.1Β Grade 16Hβ€”UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladiumm (Grade 16 with 58 ksi [400 MPa] minimum UTS),

1.1.15Β Grade 17β€”UNS R52252. Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.16Β Grade 18β€”UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 to 0.08 % palladium,

1.1.17Β Grade 19β€”UNS R58640. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),

1.1.18Β Grade 20β€”UNS R58645. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 %–0.08 % palladium,

1.1.19Β Grade 21β€”UNS R58210. Titanium alloy (15 % molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),

1.1.20Β Grade 23β€”UNS R56407. Titanium alloy (6 % aluminum, 4 % vanadium with extra low interstitial elements, ELI),

1.1.21Β Grade 24β€”UNS R56405. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,

1.1.22Β Grade 25β€”UNS R56403. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.3 % to 0.8 % nickel and 0.04 % to 0.08 % palladium,

1.1.23Β Grade 26β€”UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.23.1Β Grade 26Hβ€”UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi [400 MPa] minimum UTS),

1.1.24Β Grade 27β€”UNS R52254. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.25Β Grade 28β€”UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.08–0.14 % ruthenium),

1.1.26Β Grade 29β€”UNS R56404. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI plus 0.08 to 0.14 % ruthenium),

1.1.27Β Grade 30β€”UNS R53530. Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.28Β Grade 31β€”UNS R53532. Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.29Β Grade 32β€”UNS R55111. Titanium alloy (5 % aluminum, 1 % tin, 1 % zirconium, 1 % vanadium, 0.8 % molybdenum),

1.1.30Β Grade 33β€”UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.31Β Grade 34β€”UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.32Β Grade 35β€”UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),

1.1.33Β Grade 36β€”UNS R58450. Titanium alloy (45 % niobium),

1.1.34Β Grade 37β€”UNS R52815. Titanium alloy (1.5 % aluminum),

1.1.35Β Grade 38β€”UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron), and

1.1.36Β Grade 41β€”UNS R56461. Titanium alloy (6 % aluminum, 1 % iron).

Note 1:Β H grade material is identical to the corresponding numeric grade (that is, Grade 2H = Grade 2) except for the higher guaranteed minimum UTS, and may always be certified as meeting the requirements of its corresponding numeric grade. Grades 2H, 7H, 16H, and 26H are intended primarily for pressure vessel use.

1.2Β The values state in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

1.3Β This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

This specification covers annealed bars and grills made from titanium or its alloys. All material grades covered should conform to the required chemical composition requirements. Elements that are intentionally added to the melt should be identified, analyzed and reported in the chemical analysis. Specimens for tension tests should be machined and the tensile properties determined using a specified strain rate through the yield strength and at an increasing rate. Each annealed material may be furnished as either descaled, sandblasted, ground, or rough turned.

SDO ASTM: ASTM International
Document Number B348
Publication Date Nov. 1, 2021
Language en - English
Page Count 9
Revision Level 21
Supercedes
Committee B10.01
Publish Date Document Id Type View
Nov. 1, 2021 B0348_B0348M-21 Revision
Nov. 1, 2019 B0348_B0348M-19 Revision