On this page 6 sections
What ASTM B381 covers
Standard at a glance
- Standard
- ASTM B381 / ASME SB381
- Issued by
- ASTM
- Product form
- Flanges
- Grades on site
- 5
Covers titanium forgings, designated F-1, F-2, F-5 and so on, used for flanges, valve bodies and pressure-containing parts.
Key requirements
- Forged and annealed
- Tension test from a representative forging or prolongation
- Chemistry including interstitials by grade
- Ultrasonic testing on order
Summary for procurement guidance. Refer to the current edition of the standard for full requirements.
Grades supplied to ASTM B381
Ordering to ASTM B381
- State "ASTM B381" and the edition if your project requires it
- Grade / designation and product dimensions
- Supplementary requirements (tests, heat treatment, certification)
- Certificate type: EN 10204 3.1 or 3.2
Frequently asked questions
What does ASTM B381 cover?
Covers titanium forgings, designated F-1, F-2, F-5 and so on, used for flanges, valve bodies and pressure-containing parts.
Which grades are covered by ASTM B381?
On this site: Titanium Grade 1, Titanium Grade 2, Titanium Grade 3, Titanium Grade 4, Titanium Grade 5.
Do you supply material certified to ASTM B381?
Yes. Material is supplied to ASTM B381 with EN 10204 3.1 certificates (3.2 on request), where the mill certifies to it.
Is ASME SAB381 the same as ASTM B381?
ASME adopts many ASTM material specifications into Section II with an "S" prefix (for example SA-381). The adopted text is identical or includes stated modifications, and dual-certified material meets both.