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FILIT 21
Filit 21 is a cobalt-based electrode for surfacing against corrosion, oxidation, moderate abrasion, heavy cavitation and erosion at high temperatures. The weld metal has excellent thermal shock resistance and very high resistance against metal sliding abrasion. Usable for forging dies, high-temperature mixers, gas turbines and starting valves of combustion engines. The weld metal is work-hardenable.
Standards:
| DIN EN 14700 | E Co1 |
| DIN 8555 | E 20-UM-35 CTZ |
| Type of current | AC DC negative pole |
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| Diameter | 3.25 mm 4.0 mm |
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| Weld Metal Composition | C | Mn | Cr | Mo | Ni | Co |
| 0.3 % | 1 % | 30 % | 5.5 % | 3.5 % | Base | |