AMS 5536 Hastelloy X supplier manufacturer, contact us to get free quote and sample!
AMS 5536 is the Aerospace Material Specification (AMS) specifically for Hastelloy X (UNS N06002) in flat-rolled forms. This nickel-base alloy is solution heat-treated to ensure maximum stability and performance when exposed to temperatures reaching up to 2200°F (1200°C).
Technical Characteristics of Hastelloy X
The reason AMS 5536 is prioritized by procurement specialists is its unique chemical makeup. The inclusion of molybdenum and chromium provides robust resistance to carburization and nitriding, which are common failure points in industrial furnace environments.
- Exceptional Oxidation Resistance: Operates effectively in oxidizing atmospheres.
- High Thermal Strength: Maintains structural integrity under significant load at elevated temperatures.
- Superior Workability: Despite its strength, it can be cold-worked and formed easily compared to other superalloys.
AMS 5536 chemical composition and mechanical properties
| Element | Min % | Max % |
| Nickel (Ni) | Balance | Balance |
| Chromium (Cr) | 20.50 | 23.00 |
| Iron (Fe) | 17.00 | 20.00 |
| Molybdenum (Mo) | 8.00 | 10.00 |
| Cobalt (Co) | 0.50 | 2.50 |
| Tungsten (W) | 0.20 | 1.00 |
Mechanical Property Benchmarks
To meet the AMS 5536 specification, the alloy must undergo specific testing to verify its durability:
- Tensile Strength: Minimum 95,000 psi (655 MPa).
- Yield Strength: Minimum 35,000 psi (241 MPa).
- Elongation: Minimum 35% (in 2 inches).
- Hardness: Typically measured on the Rockwell B scale to ensure the solution heat treatment was successful.
Industries and Applications of AMS 5536 Sheet and Plate
Aerospace and Defense
- Jet engine combustion chambers - the most common application, the alloy handles sustained flame contact at extreme temperatures
- Afterburner components and transition ducts
- Flame holders and exhaust nozzles
- Nacelle heater structures
- Flight-critical structural brackets in high-heat zones
Industrial Gas Turbines and Power Generation
- Combustion cans and transition pieces in land-based turbines
- Recuperator foils in microturbine systems
- Hot-section liners
Petrochemical and Chemical Processing
- Thermal cracking tubes where process temperatures exceed stainless steel capability
- Flash dryer components
- Reaction vessels in high-temperature corrosive service
- Catalyst support grids in reforming furnaces
Industrial Furnace Equipment
- Furnace rolls, retorts, muffles, and radiant tubes
- Suitable for both box furnaces and continuous belt furnace environments
- Baskets and fixtures for heat treatment operations
Welding and Fabrication of AMS 5536
One of the standout features of AMS 5536 is its excellent welding characteristics. It can be joined using various techniques, including Gas Tungsten Arc Welding (GTAW/TIG), Gas Metal Arc Welding (GMAW/MIG), and Shielded Metal Arc Welding (SMAW).
- No Pre-heating Required: Unlike some high-strength alloys, Hastelloy X generally does not require pre-heating.
- Post-Weld Heat Treatment: While not always mandatory, a full solution anneal after heavy welding can help restore maximum corrosion resistance and ductility.
- Matching Fillers: To maintain the integrity of the AMS 5536 specification, it is recommended to use Hastelloy X filler wire.
AMS 5536 vs. Related Specifications: Quick Reference
| Specification | Product Form | Notes |
|---|---|---|
| AMS 5536 | Sheet, strip, plate | Most commonly traded form |
| AMS 5754 | Bar, rod, wire | Same alloy, different form |
| ASTM B435 | Sheet, plate | Commercial grade (non-aerospace) |
| AMS 5798 | Welding wire | Filler metal spec |
| UNS N06002 | - | Unified Numbering System identifier |
Frequently Asked Questions About AMS 5536
Q: What is the maximum service temperature for AMS 5536?
For structural applications, Hastelloy X retains usable strength up to 816°C (1500°F). For oxidation-only resistance without significant structural load, it performs up to 1204°C (2200°F).
Q: Is AMS 5536 magnetic?
No. Hastelloy X is a non-magnetic alloy in both the annealed and lightly cold-worked condition, which is relevant for applications near sensitive electronic or magnetic equipment.
Q: Can AMS 5536 sheet be used for seawater service?
It offers moderate corrosion resistance in seawater, but higher-molybdenum alloys such as Hastelloy C-276 (AMS 5516) are more appropriate for aggressive marine environments. Hastelloy X is optimized for heat, not chloride immersion.
Q: What's the typical price premium over stainless steel?
AMS 5536 material typically trades at 8–15× the price of 316L stainless steel on a weight basis, reflecting the high nickel, molybdenum, and chromium content plus the tighter aerospace certification requirements.
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