PMET 980 – Tribaloy® T-800

PMET 980 – B50TF193 – Tribaloy® T800 welding wire for gas turbine engine blades.

PMET 980 (Tribaloy® T800) is a solid hardfacing wire consisting of cobalt, molybdenum, chromium, and silicon. PMET 980 attains its oxidation, corrosion, and galling resistance from its hard laves phase which is dispersed in a softer solid solution eutectic.


  • B50TF193
  • DMR 34.071

Mechanical Properties

  • Tensile strength – less than 70,000 PSI
  • Elongation – Nil
  • Hardness – 52-62 HRC


  • PMET 980 has found acceptance in a number of applications where galling, abrasion, oxidation, and corrosion are a problem. Applications include pump shaft sleeves, computer hard drives, gas turbine blade shrouds and bases.

Product Details

Characteristics and Composition

Ni Co Fe Cr W Mo Al Si
BAL 17.5 28.8 3.5
Mn Nb Ti Ta Zr C Other