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Model No: Inconel 625 Bars, Forgings, Extrusions
AMS 5666 / UNS N06625 / Inconel 625 Bars, Forgings, Extrusions
AMS 5666 governs the production of Inconel 625 (UNS N06625) Bars, Forgings, and Extrusions for aerospace applications, emphasizing rigorous quality control. The alloy’s strength, thermal stability, and corrosion resistance blend makes it ideal for extreme environments, though its use demands careful processing and handling.
Delivery :
FOB
minimum order :
100 kilograms
Supply Ability :
5000Tonkilograms / Month
Stock Time :
7-10Day
Country of Origin :
CHINA
Quantity :
AMS 5666 governs the production of Inconel 625 (UNS N06625) Bars, Forgings, and Extrusions for aerospace applications, emphasizing rigorous quality control. The alloy’s strength, thermal stability, and corrosion resistance blend makes it ideal for extreme environments, though its use demands careful processing and handling.
Inconel 625 is a corrosion and heat-resistant Nickel-based alloy. It is alloyed with Chromium, Iron, Niobium-Tantalum, and Molybdenum for increased toughness and strength.
Inconel 625 is nonmagnetic and corrosion and oxidation-resistant, with service temperatures ranging from cryogenic to 1800°F. Because of its alloy matrix, precipitation hardening treatments are not required.
Inconel 625 alloy is generally double-melted, with either EF-AOD melt (Electric Furnace followed by Argon Oxygen Decarburization) or VIM (Vacuum Induction Melt), and with a second melt by either VAR (Vacuum Arc Remelt) or ESR (Electroslag Reduction).
Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| Carbon | - | 0.10% |
| Manganese | - | 0.50% |
| Silicon | - | 0.50% |
| Phosphorus | - | 0.015% |
| Sulfur | - | 0.015% |
| Chromium | 20.00% | 23.00% |
| Molybdenum | 8.00% | 10.00% |
| Columbium (Niobium) | 3.15% | 4.15% |
| Cobalt | - | 1.00% |
| Titanium | - | 0.40% |
| Aluminum | - | 0.40% |
| Iron | - | 5.00% |
| Nickel | remainder | - |
Applications
- Aerospace: Engine components, exhaust systems, rocket motor casings.
- Marine: Propeller blades, submarine parts.
- Industrial: Chemical processing equipment, nuclear reactors, gas turbines.
Standards & Testing (AMS 5666)
- Chemical Analysis: Ensures composition meets specified limits.
- Mechanical Testing: Tensile, hardness, and possibly elevated-temperature tests.
- Non-Destructive Testing (NDT): Ultrasonic inspection to detect internal flaws.
- Certification: Strict traceability and material certifications are required for aerospace use.
Related Specifications
- ASTM B446: Standard for Inconel 625 bars/rods (non-aerospace).
- AMS 5837: Covers Inconel 625 wire.
- ASTM B443/B704: Standards for plates, sheets, and welded pipes.
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