Thermanit MTS 616 description: Basic covered CrMoNiVWNb alloyed electrode. Good welding characteristics in out of position work; high temperature resistant matching weld metal. For the welding of high temperature martensitic steels in particular P 92 according to ASTM A 355. Redry for 2 h at 300 - 350 C (572 - 662 F).