Alloy 602CA / 2.4633
2.4633 is a high carbon chromium-iron-nickel alloy which also contains additives of microalloy elements titanium, zirconium and aluminum, and yttrium. Alloy 602CA is characterized by:
– excellent high temperature creep properties
– excellent fatigue resistance in the HCF and LCF mode
– extraordinary oxidation resistance at high temperatures and under cyclic conditions.
Material Data Sheet
| Material Designation | 2.4633 |
|---|---|
| Alloy | Alloy 602CA |
| EN Material Symbol | NiCr25FeAIY |
| UNS | N 06025 |
| Trademark | Nicrofer® 6025 HT |
| VdTÜV Data Sheet | 540 |
| Norm | DIN EN 10302 |
Main fields of application of alloy 602CA
Alloy 602 is versatile. Typical applications of Alloy 602CA are, i.e.:
Rotary kiln and shaft
Furnace rollers / Oven Parts
nozzles
pipe supports
Components in the exhaust gas purifying catalyst of automobiles
Reformers in the chemical and petrochemical industry
Hydrogen production
Heater plugs
Chemical composition of alloy 602CA
| C | Si | Mn | P | S | Cr |
|---|---|---|---|---|---|
| ≤ % | ≤ % | ≤ % | ≤ % | ≤ % | % |
| 0.15-0.25 | 0.5 | 0.5 | 0.02 | 0.01 | 24.0-26.0 |
| Al | Zr | Ti | Cu | Fe | Y | Ni |
|---|---|---|---|---|---|---|
| % | % | % | ≤ % | ≤ % | ≤ % | % |
| 1.8-2.4 | 0.01-0.1 | 0.1-0.2 | 0.1 | 8.11 | 0.05-0.12 | Rest |
Characteristics of alloy 602CA
| Temperature Range | High-Temperature Range |
|---|---|
| Density | 7.9 g/cm³ |
| ISO-V notch impact toughness | lengthwise 69 J/cm² at room temperature |
| across 56 J/cm² at room temperature |
Filler metal (for welding with alloy 602CA)
Alloy 602CA can be welded using 2.4649 and DIN EN ISO 18274: S Ni 6025 as filler metal
Covered electrodes: DIN EN ISO 1412: E Ni 6025
UNS W86025
AWS A5.11: ENiCrFe-12