Cr35Ni45Nb
Standards
| EN ISO 14343-A |
|---|
| W/GZ 35 45 Nb |
Application field
Cr35Ni45Nb is suitable for joining and surfacing on identical and similar high heat resistant cast alloys (centrifugal- and mould cast parts), such as G X-45NiCrNbSiTi 45 35.
The main application field is for tubes and cast parts of reformer and pyrolysis ovens at temperatures up to 1175° C / air.
Properties of the weld metal
The weld deposit is applicable in a low sulphur, carbon enriching atmosphere up to 1175° C and has an excellent creep strength and a good resistance against carburization and oxidation.
Typical analysis in %
| C | Si | Mn | Cr | Ni | Nb | S,P | Fe |
|---|---|---|---|---|---|---|---|
| 0.4-0.55 | 1.0-2.0 |
≤1.5 |
35-37 | 44-47 | 0.8-1.2 | ≤0.02 | balance |
Mechanical properties of the weld metal
| Yield strength RP0,2 | Tensile strength Rm | Elongation A |
|---|---|---|
| MPa |
MPa | % |
| >450 | >650 | >8 |
Welding instruction
Clean welding area carefully. No pre-heating or post weld heat treatment. Keep heat input as low as possi-ble and interpass temperature at max. 180° C.
| ø（mm） | Current type | Shielding gas EN ISO 14175 | Availability | |
|---|---|---|---|---|
| Spools | Rods | |||
| |1 |
EN ISO 544 | EN ISO 544 | ||
| 1.2 |
DC（+） |
x |
x | |
| 2.0 | DC（-） | x | x | |
| 2.4 | DC（-） | x | x | |
| 3.2 | DC（-） | x | x | |
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