ASTM B381 — Titanium and titanium alloy forgings
ASTM B381 covers titanium and titanium-alloy forgings, including flanges, in grades F-1 to F-39 — F-2 (commercially pure), F-5 (Ti-6Al-4V), F-7 (Ti-Pd) and F-12 (Ti-Mo-Ni) are the most used.
ASTM B381 at a glance
| Standard | ASTM B381 |
|---|---|
| Issued by | ASTM / ASME (SB-381) |
| Product form | Forgings |
| Typical use | Titanium flanges |
| Grades on this site | 4 |
Equivalent and related standards
ASTM B381 grades — chemistry and mechanical properties
| Grade | UNS | C% | Cr% | Ni% | Mo% | YieldMPa min | TensileMPa min |
|---|---|---|---|---|---|---|---|
| Titanium Grade 2 (UNS R50400) | R50400 | 0.08 max | — | — | — | 275 | 345 |
| Titanium Grade 5 (Ti-6Al-4V) | R56400 | 0.08 max | — | — | — | 828 | 895 |
| Titanium Grade 7 (UNS R52400) | R52400 | 0.08 max | — | — | — | 275 | 345 |
| Titanium Grade 12 (UNS R53400) | R53400 | 0.08 max | — | 0.6–0.9 | 0.2–0.4 | 345 | 483 |
Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.
FAQ
ASTM B381: common questions
Which grades does ASTM B381 cover?
On this site: Titanium Grade 2 (UNS R50400), Titanium Grade 5 (Ti-6Al-4V), Titanium Grade 7 (UNS R52400), Titanium Grade 12 (UNS R53400). Open any grade for its full chemical composition, mechanical properties and PDF data sheet.
Does Teshi Group supply material to ASTM B381?
Teshi Group manufactures flanges, fittings, fasteners and valves, and supplies pipes and plates, to ASTM / ASME specifications and to equivalent EN, JIS, GB and IS standards on request, with EN 10204 3.1 certificates. Send your requirement to info@teshigroup.com.
Other forgings standards
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