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FIDUR 23/250
Fidur 23/250 is an electrode for highly heat-resistant, corrosion-resistant surfacings with good thermal shock resistance abilities. It is especially suited for the repair and fabrication of hot working tools, for example forging dies, die blocks, press jacks, piercers, trimming cutters etc. This stick electrode is also ideal for surfacings on unalloyed and low-alloyed high-tensile steels. The weld metal is corrosion-resistant under oxydising and reducing conditions, especially tough and crack-resistant, creep-resistant and hardenable at approx. 780 °C. It is work-hardenable under shock load and mechanically workable.
Standards:
| DIN EN 14700 | E Z Ni 2 |
| DIN 8555 | E 23-UM-250 CNKPTZ |
| DIN EN ISO 14172 | NI 6275 (Ni Cr 15 Mo 16 Fe 5 W 3) |
| AWS A 5.11 | E Ni Cr Mo-5 |
| Material no. | ≈ 2.4887 |
| Type of current | AC DC plus pole |
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| Diameter | 2.5 mm 3.25 mm 4.0 mm |
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| Weld Metal Composition | C | Cr | Mo | W | Fe | Co | Ni |
| 0.06 % | 16 % | 17 % | 4.5 % | 5 % | 2.5 % | Base | |