ASTM B348/B348M-25

Current Revision
Standard Specification for Titanium and Titanium Alloy Bars and Billets

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Standard Specification for Titanium and Titanium Alloy Bars and Billets

PUBLISH DATE 2025
PAGES 9

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.

1.1 This specification2 covers annealed titanium and titanium alloy bars and billets as follows:

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