1.1Β This specification2 covers annealed titanium and titanium alloy bars and billets as follows:
1.1.1Β Grade 1βUNS R50250. Unalloyed titanium,
1.1.2Β Grade 2βUNS R50400. Unalloyed titanium,
1.1.2.1Β Grade 2HβUNS R50400. Unalloyed titanium (Grade 2 with 58 ksi [400 MPa] minimum UTS),
1.1.3Β Grade 3βUNS R50550. Unalloyed titanium,
1.1.4Β Grade 4βUNS R50700. Unalloyed titanium,
1.1.5Β Grade 5βUNS R56400. Titanium alloy (6β% aluminum, 4β% vanadium),
1.1.6Β Grade 6βUNS R54520. Titanium alloy (5β% aluminum, 2.5β% tin),
1.1.7Β Grade 7βUNS R52400. Unalloyed titanium plus 0.12 to 0.25β% palladium,
1.1.7.1Β Grade 7HβUNS R52400. Unalloyed titanium plus 0.12 to 0.25β% palladium (Grade 7 with 58 ksi [400 MPa] minimum UTS),
1.1.8Β Grade 9βUNS R56320. Titanium alloy (3β% aluminum, 2.5β% vanadium),
1.1.9Β Grade 11βUNS R52250. Unalloyed titanium plus 0.12 to 0.25β% palladium,
1.1.10Β Grade 12βUNS R53400. Titanium alloy (0.3β% molybdenum, 0.8β% nickel),
1.1.11Β Grade 13βUNS R53413. Titanium alloy (0.5β% nickel, 0.05β% ruthenium),
1.1.12Β Grade 14βUNS R53414. Titanium alloy (0.5β% nickel, 0.05β% ruthenium),
1.1.13Β Grade 15βUNS R53415. Titanium alloy (0.5β% nickel, 0.05β% ruthenium),
1.1.14Β Grade 16βUNS R52402. Unalloyed titanium plus 0.04 to 0.08β% palladium,
1.1.14.1Β Grade 16HβUNS R52402. Unalloyed titanium plus 0.04 to 0.08β% palladiumm (Grade 16 with 58 ksi [400 MPa] minimum UTS),
1.1.15Β Grade 17βUNS R52252. Unalloyed titanium plus 0.04 to 0.08β% palladium,
1.1.16Β Grade 18βUNS R56322. Titanium alloy (3β% aluminum, 2.5β% vanadium) plus 0.04 to 0.08β% palladium,
1.1.17Β Grade 19βUNS R58640. Titanium alloy (3β% aluminum, 8β% vanadium, 6β% chromium, 4β% zirconium, 4β% molybdenum),
1.1.18Β Grade 20βUNS R58645. Titanium alloy (3β% aluminum, 8β% vanadium, 6β% chromium, 4β% zirconium, 4β% molybdenum) plus 0.04β%β0.08β% palladium,
1.1.19Β Grade 21βUNS R58210. Titanium alloy (15β% molybdenum, 3β% aluminum, 2.7β% niobium, 0.25β% silicon),
1.1.20Β Grade 23βUNS R56407. Titanium alloy (6β% aluminum, 4β% vanadium with extra low interstitial elements, ELI),
1.1.21Β Grade 24βUNS R56405. Titanium alloy (6β% aluminum, 4β% vanadium) plus 0.04β% to 0.08β% palladium,
1.1.22Β Grade 25βUNS R56403. Titanium alloy (6β% aluminum, 4β% vanadium) plus 0.3β% to 0.8β% nickel and 0.04β% to 0.08β% palladium,
1.1.23Β Grade 26βUNS R52404. Unalloyed titanium plus 0.08 to 0.14β% ruthenium,
1.1.23.1Β Grade 26HβUNS R52404. Unalloyed titanium plus 0.08 to 0.14β% ruthenium (Grade 26 with 58 ksi [400 MPa] minimum UTS),
1.1.24Β Grade 27βUNS R52254. Unalloyed titanium plus 0.08 to 0.14β% ruthenium,
1.1.25Β Grade 28βUNS R56323. Titanium alloy (3β% aluminum, 2.5β% vanadium plus 0.08β0.14β% ruthenium),
1.1.26Β Grade 29βUNS R56404. Titanium alloy (6β% aluminum, 4β% vanadium, extra low interstitial, ELI plus 0.08 to 0.14β% ruthenium),
1.1.27Β Grade 30βUNS R53530. Titanium alloy (0.3β% cobalt, 0.05β% palladium),
1.1.28Β Grade 31βUNS R53532. Titanium alloy (0.3β% cobalt, 0.05β% palladium),
1.1.29Β Grade 32βUNS R55111. Titanium alloy (5β% aluminum, 1β% tin, 1β% zirconium, 1β% vanadium, 0.8β% molybdenum),
1.1.30Β Grade 33βUNS R53442. Titanium alloy (0.4β% nickel, 0.015β% palladium, 0.025β% ruthenium, 0.15β% chromium),
1.1.31Β Grade 34βUNS R53445. Titanium alloy (0.4β% nickel, 0.015β% palladium, 0.025β% ruthenium, 0.15β% chromium),
1.1.32Β Grade 35βUNS R56340. Titanium alloy (4.5β% aluminum, 2β% molybdenum, 1.6β% vanadium, 0.5β% iron, 0.3β% silicon),
1.1.33Β Grade 36βUNS R58450. Titanium alloy (45β% niobium),
1.1.34Β Grade 37βUNS R52815. Titanium alloy (1.5β% aluminum),
1.1.35Β Grade 38βUNS R54250. Titanium alloy (4β% aluminum, 2.5β% vanadium, 1.5β% iron), and
1.1.36Β Grade 41βUNS R56461. Titanium alloy (6β% aluminum, 1β% 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 |