Nihonweld NHF-600B description: NHF-600B is an electrode having weld metal of martensite structure. It is very suitable for soil abrasion. Machining is impossible as-welded condition.
NOTES ON USAGE:
Preheat at 150C and over in general.
It is recommended to underlay with low hydrogen type electrode (N-7016 or N-7018) in case the base plate is hardenable or multi-layer welding is required.
Dry the electrodes at 300~350C for 30~60 minutes before use.