Kochlin SPECIAL ALLOYS · SINCE 2009

Tribaloy T-800

Laves-phase hardfacing alloy — unlubricated high-temperature couples and valve seats

Co-Cr alloysCobalt wear alloys
Units
Service limit
800
°C · indicative max
Density
8.6
g/cm³

Chemical composition

Co 51%Mo 28%Cr 18%Si 3.4%
ElementName Content %
Co CobaltBal.
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 conditionIndustry TemperatureRankScore
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 datasheet

Supply & enquiry

Tube & pipeφ1 – 219 × 0.25 – 25 mmPlate4.76 – 80 mmBarφ8 – 300 mmWire & filler metalsφ0.01 – 8 mm

For this grade we can supply, against your service conditions:

Or email us: info@kochlin.com