Titanium Grade 5 (Ti-6Al-4V) — Chemical Composition & Mechanical Properties
Titanium Grade 5 (Ti-6Al-4V) is a titanium grade for titanium forgings & bar (UNS R56400, EN / W.Nr 3.7165). This sheet summarises its chemical composition limits, minimum mechanical properties, heat treatment and typical service. Teshi Group manufactures flanges and fittings in this grade.
Titanium Grade 5 (Ti-6Al-4V) at a glance
| Specification | Titanium Grade 5 (Ti-6Al-4V) |
|---|---|
| Material family | Titanium |
| Product form | Titanium forgings & bar |
| UNS number | R56400 |
| EN / W.Nr equivalent | 3.7165 |
| Also known as | Ti-6Al-4V |
| Document | TG-MG-094 · Rev. 1 · October 2026 |
Typical service
High-strength forgings, fasteners and offshore riser components
Heat treatment
Annealed
Chemical composition of Titanium Grade 5 (Ti-6Al-4V) (weight %)
Single values are maximums unless shown as a range or “min”.
Mechanical properties
| Tensile strength, min | 895 MPa |
|---|---|
| Yield strength (0.2 % offset), min | 828 MPa |
| Elongation, min | 10 % |
| Hardness | Not specified |
About titanium
Titanium forms a stable oxide film that makes it practically immune to seawater, chlorides, wet chlorine and many oxidising acids. It is about 45 % lighter than steel for similar strength, which matters offshore and in heat-exchanger service.
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.
International equivalents of Titanium Grade 5 (Ti-6Al-4V)
All equivalents| Standard system | Nearest equivalent grade |
|---|---|
| USA — specification | Titanium Grade 5 (Ti-6Al-4V) |
| USA — UNS | R56400 |
| Europe — EN designation | TiAl6V4 |
| Europe — W.Nr | 3.7165 |
| Japan — JIS | TAP6400 (JIS H4600) / TAB6400 (JIS H4650) |
| China — GB / NB | TC4 (GB/T 3620.1) |
| China — old GB designation | TC4 |
| UK — BS (withdrawn) | BS TA10–13 |
Equivalents are the nearest commonly cited grades. Chemistry, mechanical properties and testing differ between standards — compare them before substituting one for another.
Same alloy in other product forms
| Product form | Specification / grade |
|---|---|
| Flanges & forgings | ASTM B381 F-5 |
| Butt-weld fittings | ASTM B363 WPT5 |
| Seamless pipe | ASTM B861 Grade 5 |
| Welded pipe | ASTM B862 Grade 5 |
| Plate | ASTM B265 Grade 5 |
| Bar | ASTM B348 Grade 5 |
Standards for Titanium Grade 5 (Ti-6Al-4V)
All material standardsFAQ
Titanium Grade 5 (Ti-6Al-4V): common questions
What is the minimum yield strength of Titanium Grade 5 (Ti-6Al-4V)?
828 MPa, with a minimum tensile strength of 895 MPa.
What is the carbon content of Titanium Grade 5 (Ti-6Al-4V)?
0.08 max %.
What is the UNS number and EN equivalent of Titanium Grade 5 (Ti-6Al-4V)?
UNS R56400; the nearest European designation is W.Nr 3.7165. Equivalents are close but not identical — check the specification if substituting.
How is Titanium Grade 5 (Ti-6Al-4V) heat treated?
Annealed.
What is the Chinese (GB) equivalent of Titanium Grade 5 (Ti-6Al-4V)?
The nearest Chinese equivalent is TC4 (GB/T 3620.1), formerly TC4. Equivalents are close but not identical — compare chemistry and properties before substituting.
What is the JIS equivalent of Titanium Grade 5 (Ti-6Al-4V)?
The nearest Japanese (JIS) equivalent is TAP6400 (JIS H4600) / TAB6400 (JIS H4650).
Does Teshi Group supply Titanium Grade 5 (Ti-6Al-4V)?
Teshi Group manufactures flanges and fittings in this grade. Send your size, rating and quantity to info@teshigroup.com for a quotation with EN 10204 3.1 certificates.
Related products, data sheets and standards
Weld Neck Flange
OEM manufacturer
View online · PDFTechnical data sheetSlip-On Flange
OEM manufacturer
View online · PDFTechnical data sheetBlind Flange
OEM manufacturer
View online · PDFTechnical data sheetSocket Weld Flange
OEM manufacturer
View online · PDFTechnical data sheetThreaded Flange
OEM manufacturer
View online · PDFTechnical data sheetLap Joint Flange
OEM manufacturer
View online · PDFMaterial productsTitanium Flanges & Fittings — Grade 1, 2, 5, 7 & 12
Grades, sizes and standards we supply
ViewMaterial productsTitanium Grade 1 / 2 / 5 / 7 / 12 Flanges
Grades, sizes and standards we supply
ViewMaterial productsTitanium Grade 2 / 5 / 7 Pipe Fittings
Grades, sizes and standards we supply
View
Ready to build to spec?
Share your drawing, bill of materials or technical requirements with the Teshi team.