Chemical composition
Nominal: mid-range where both limits are given, the cap where only a maximum is, balance takes the remainder. Exact specified ranges below.
| Element | Name | Content % | |
|---|---|---|---|
| Main elements6 elements | |||
| Ti | Titanium | Bal. | |
| Al | Aluminium | 5 – 6% | |
| V | Vanadium | 5 – 6% | |
| Sn | Tin | 1.5 – 2.5% | |
| Fe | Iron | 0.35 – 1% | |
| Cu | Copper | 0.35 – 1% | |
| Element | Name | Content % | |
|---|---|---|---|
| Minor & residual4 elements | |||
| O | Oxygen | ≤ 0.2% | |
| C | Carbon | ≤ 0.05% | |
| N | Nitrogen | ≤ 0.04% | |
| H | Hydrogen | ≤ 0.015% | |
Mechanical minima by form
Guaranteed values differ by form, size and delivery condition; quotations confirm the specification, form, size and condition.
| Form | Condition | Rm MPa | Rp0.2 MPa | A ≥ % |
|---|---|---|---|---|
| Bar, wire, forgings and flash-welded rings (section ≤25.40 mm) | Supplied annealed; capability values on specimens solution treated at 899 ± 14 °C for 60 min, water quenched, then aged at 538 ± 8 °C for 4 h, air cooled | ≥ 1207 (175 ksi) | ≥ 1103 (160 ksi) | ≥ 8 |
| Bar, wire, forgings and flash-welded rings (>25.40–50.80 mm) | Values to be met after solution treatment and ageing | ≥ 1172 (170 ksi) | ≥ 1069 (155 ksi) | ≥ 8 |
| Bar, wire, forgings and flash-welded rings (>50.80–76.20 mm) | Values to be met after solution treatment and ageing | ≥ 1069 (155 ksi) | ≥ 1000 (145 ksi) | ≥ 8 |
| Bar, wire, forgings and flash-welded rings (>76.20–101.60 mm) | Values to be met after solution treatment and ageing | ≥ 1034 (150 ksi) | ≥ 965 (140 ksi) | ≥ 8 |
| Annealed bar, wire, forgings and flash-welded rings (section ≤50.80 mm) | Annealed at 704-788 °C × 1-2 h, accepted in the as-delivered condition | ≥ 1034 (150 ksi) | ≥ 965 (140 ksi) | ≥ 10 |
| Annealed bar, wire, forgings and flash-welded rings (>50.80–101.60 mm) | Annealed at 704-788 °C × 1-2 h, accepted in the as-delivered condition | ≥ 1000 (145 ksi) | ≥ 931 (135 ksi) | ≥ 10 |
Where this grade is recommended
Matched in 1 service conditions; ranks and scores computed from the condition-scoring matrix.
| Service condition | Industry | Temperature | Rank | Score |
|---|---|---|---|---|
| Airframe & lightweight | Aerospace | 200 – 400 °C | 1 / 10 | 87 |
Designations & equivalents
| UNS | R56620 |
| Trade name(s) | Ti-6Al-6V-2Sn |
| AMS (SAE aerospace) | 4971 / 4978 |
Cross-references are common near-equivalents for search and shortlisting; substitution across standards requires clause-by-clause verification. All grades in one cross-reference table →
Applicable standards
2 specifications. Name the standard and its edition on the order.
Guaranteed values and required tests differ between specifications — see Mechanical minima by form for the figures per form.
Frequently asked questions
What is TC10 (Ti-6Al-6V-2Sn)?
TC10 (Ti-6Al-6V-2Sn) — Titanium. High-strength structural forgings — wing joints and fittings
What is the maximum service temperature of TC10?
Typically about 315 °C; the practical limit depends on media, stress and design life — acceptance per the governing standard.
What is the tensile strength of TC10?
The specified minimum tensile strength is 1207 MPa for the main product form. Minima for other forms and sizes are listed under "Mechanical minima by form" on this page.
Which standards cover TC10?
SAE AMS4971 Ti-6Al-6V-2Sn, SAE AMS4978 Ti-6Al-6V-2Sn
Where is TC10 typically used?
Airframe & lightweight (Aerospace)
In which forms is TC10 available?
Tube, plate, strip, bar, forgings, wire and other forms — sizes and delivery condition confirmed per order, with EN 10204 3.1 / 3.2 certification.
Same series
Download PDF datasheet
This grade’s datasheet as an A4 PDF — for filing, printing or forwarding to colleagues.
Download PDF datasheetSupply & enquiry
Tube & pipeφ1 – 219 × 0.25 – 25 mm
Plate4.76 – 80 mm
Barφ8 – 300 mm
Wire & filler metalsφ0.01 – 8 mmFor this grade we can supply, against your service conditions:
- Tube, plate, strip, bar, forgings, wire and more — with size range and lead time
- Chemistry and mechanical test report (EN 10204 3.1 / 3.2)
- Like-for-like alternatives and selection advice
- Applicable standards and inspection scope
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