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Hard Facing Electrode
55FC-O is a self-shielded, metal-core wire that deposits a premium martensitic alloy steel of H-12 tool steel composition. It has excellent resistance to adhesive (metal-to-metal) wear. It also has good resistance to abrasion and impact, and maintains its hardness up to 1000°F. It is designed for use as an overlay on carbon and low alloy steels. Because of its high hardenability, proper preheat may be required for crack-free deposits, particularly on low alloy steels. 55FC-O is formulated to optimize performance on small 110/220V type wire welding machines.
Typical Applications :
- Dredge parts
- Earth moving equipment
- Farm equipment
| AWS Classification | Hardfacing |
| Welding Current | DCEN - DCEP |
Typical wire chemistry (As Welded)
| C | Mn | Si | Cr | Mo | W | Fe |
| 0.4 | 1 | 0.4 | 5.8 | 1.5 | 1.4 | BAL |
| Typical Mechanical Properties (As Welded on 1020 steel) | |
| Hardness on 1 layer, Rc | 47 |
| Hardness on 2 layers, Rc | 49 |
| Hardness on 3 layers, Rc | 53 |
| Welding Positions | F,V,OH,H |
| Available Diameters | .035", .045" & 1/16" |
| Operating Range in Amps | |
| .035" | 80 - 120 |
| .045" | 120 - 150 |
| 1/16" | 150 - 190 |
