Nimonic 263
Short Description:
Standard Inventory Specifications UNS N07623 AMS 5872 W.Nr. 2.4650 B50A774 Predominantly produced by AOD-ESR melt method. Hot worked, solution treated (annealed), then descaled Common Applications Low temperature combustors Transition liners Ring components Inventory Size Range Plate : 0.1875″ – 2.450″ Please contact us for more details. The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed. Chemcia...
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Standard Inventory Specifications
- UNS N07623
- AMS 5872
- W.Nr. 2.4650
- B50A774
- Predominantly produced by AOD-ESR melt method. Hot worked, solution treated (annealed), then descaled
Common Applications
- Low temperature combustors
- Transition liners
- Ring components
Inventory Size Range
- Plate : 0.1875″ – 2.450″
Please contact us for more details.
The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.
Chemcial Composition of Alloy C263
| Element | Percent By Weight |
|---|---|
| Nickel | 52% |
| Cobalt | 20% |
| Chromium | 20% |
| Molybdenum | 6% 2.4% |
| Titanium | 0.6% |
Physical Properties
- Non-magnetic. Alloy C263 plate – Nimonic 263 plate has high strength up to 1500ºF (816°C) and good oxidation resistance up to 1800ºF (982°C)
- This grade has excellent forming and welding characteristics.
- In the annealed condition, alloy CC263 nickel plate has excellent ductility and may be formed by cold working.
- Density: 0.302 lbs/in3, 8.36 g/cm3
Mechanical Properties of Alloy C263
- Hardness – Typically 200 BHN. Grain structure is austenitic at both cryogenic and elevated temperatures.
- TYPICAL STOCK REMOVAL RATE: 20 surface feet/minute with high speed tools. 80 surface feet/minute with carbide.
- Care must be taken to ensure a rigid machine setup and sharp tools, so that work hardening and surface glazing do not occur.
- Alloy C263 plate – Nimonic 263 plate has excellent welding characteristics and can be welded by most customary techniques, such as inert gas tungsten arc (TIG), gas metal arc welding (GMAW), electron beam and resistance welding. Oxyacetylene and submerged arc processes are not recommended. Avoid excessive heat input when welding and when a filler metal is required a matching C-263 filler metal should be used. This grade is typically used in the fully aged condition. Following forming and welding, a full solution anneal prior to aging is often employed to develop optimum properties.
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