OK 68.81 is an electrode that gives a duplex metal with around 40% ferrite. Good resistance to scale formation up to 1,150°C. OK 68.81 is used for joining dissimilar steels, steels of reduced weldability and formation of buffer layers before hardfacing. Applications: rollers, forging dies, hot working tools, plastic molds, etc.
| Approvals: | EC; EN 13479; Seproz; A 272580 | Ratings: | EN 14700; E Fe11; EN ISO 3581-A; E 29 9 R 3 2; SFA/AWS A5.4; E312-17; Werkstoffnummer; 1.4337