Chemical composition
| Element | Name | Content % | |
|---|---|---|---|
| Co | Cobalt | Bal. | |
| Mo | Molybdenum (nominal) | 28.5% | |
| Cr | Chromium (nominal) | 17.5% | |
| Si | Silicon (nominal) | 3.4% |
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 |
|---|---|---|---|---|
| Valves, fittings & flanges | Oil & Gas | > 300 °C | 3 / 14 | 87 |
Designations & equivalents
| Trade name(s) | Tribaloy T-800 |
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 →
Frequently asked questions
What is Tribaloy T-800 (Co-Mo-Cr-Si)?
Tribaloy T-800 (Co-Mo-Cr-Si) — Cobalt wear alloys. Laves-phase hardfacing alloy — unlubricated high-temperature couples and valve seats
What is the maximum service temperature of T800?
Typically about 800 °C; the practical limit depends on media, stress and design life — acceptance per the governing standard.
Where is T800 typically used?
Valves, fittings & flanges (Oil & Gas)
In which forms is T800 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
For 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
Or email us: info@kochlin.com
Tube & pipeφ1 – 219 × 0.25 – 25 mm
Plate4.76 – 80 mm
Barφ8 – 300 mm
Wire & filler metalsφ0.01 – 8 mm