ASTM B381 is the standard specification for titanium and titanium-alloy forgings — discs, rings, flanges, blocks and shafts.

Why Forge Titanium

Forging refines the grain structure and aligns the metal flow lines, giving forgings superior strength, toughness and fatigue life compared with cast or fully machined parts.

Grades & Conditions

  • CP grades 1-4 and alloys Grade 5 / 23
  • Corrosion grades 7, 12
  • Annealed or solution-treated-and-aged

What B381 Controls

  • Chemistry and mechanical properties
  • Macro/micro structure and discontinuities
  • Hydrogen content limits
  • Inspection (incl. ultrasonic where specified)

Ordering

  • Grade and heat-treat condition
  • Forging drawing or dimensions
  • NDT requirements (UT, dye penetrant)
  • Certification EN 10204 3.1
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