Exceptional Resistance Inconel Alloy 617/N06617/W.Nr. 2.4663/NiCr23Co12Mo Bolts for Petrochemical Plants
Exceptional Resistance with Inconel Alloy 617/N06617/W.Nr. 2.4663/NiCr23Co12Mo Bolts for Petrochemical Plants
Inconel 617 bolts are high-performance fasteners known for their exceptional strength, oxidation resistance, and high-temperature stability. This nickel-chromium-cobalt-molybdenum alloy provides excellent resistance to oxidation and carburization up to 1100°C (2012°F), making it ideal for extreme environments. It offers superior creep and fatigue resistance, excellent mechanical strength, and outstanding corrosion resistance in aggressive atmospheres, including acidic and marine conditions. Inconel 617 bolts are widely used in aerospace, gas turbines, nuclear reactors, petrochemical plants, and power generation. Their weldability and workability make them suitable for complex assemblies. These bolts are non-magnetic and maintain their integrity under thermal cycling and mechanical stress, ensuring long-term durability in demanding applications.
Trade Code
|
Series |
NAME |
GB |
ISO/IEC |
UNS |
DIN EN/ DIN |
JIS |
|
Inconel |
Inconel 617 |
GH4145 |
NiCr22Co12Mo9 |
N06617 |
W.Nr. 2.4663/NiCr23Co12Mo |
NiCr23Co12Mo |
Chemical Composition
| % | Ni | Cr | Mo | Fe | Mn | C | Si | Al | Ti | Co | Cu | B | S |
| Min | 20 | 8 | 0.05 | 0.8 | 10 | ||||||||
| Max | 44.5 | 24 | 10 | 3.00 | 1.0 | 0.15 | 1.0 | 1.5 | 0.6 | 15 | 0.50 | 0.01 | 0.02 |
Physical Properties:
| Density(g/cm³) | 8.4 | |||||
| Melting Range(℃) | 1330-1380 | |||||
| Typical mechanical properties | Tensile strength Rm N/mm² | Yield strength RP 0.2 N/mm² | Elongation A5 % | Brinell Hardness HB | |||||
| Solution treatment | 830 | 414 | 30 | ≤290 |
| Category/Type | hex bolts |
| Head type | outer hexagonal |
| Thread tolerance | 6G |
| Material | Inconel 617 |
| Performance level | 8.8 |
| Thread specification | M6~M100 |
| Head side length | 10-120(mm) |
| Head thickness | 6.6-60(mm) |
| Total length | 30~800(mm) |
Inconel 617 (UNS N06617 / 2.4663 / NiCr23Co12Mo) Bolt – Key Features
Inconel 617 is a high-performance nickel-chromium-cobalt-molybdenum alloy known for its excellent high-temperature strength, oxidation resistance, and corrosion resistance. Bolts made from this alloy are ideal for extreme environments, including aerospace, power plants, and chemical processing industries.
Key Features:
- Superior High-Temperature Strength
Maintains excellent mechanical properties at temperatures up to 1100°C (2012°F).
High creep and rupture strength for long-term applications in extreme heat environments.
- Outstanding Oxidation & Corrosion Resistance
Resistant to oxidation and scaling in temperatures exceeding 980°C (1800°F).
Excellent resistance to carburization and sulfidation in aggressive environments.
- Exceptional Fabricability & Weldability
Easily fabricated and welded using standard techniques without requiring post-weld heat treatment.
Good formability compared to other high-temperature alloys.
- Excellent Fatigue & Stress Rupture Resistance
High resistance to thermal fatigue and stress-rupture cracking, making it ideal for cyclic high-temperature applications.
- Superior Resistance to Aqueous Corrosion
Provides excellent resistance in acidic and chloride-rich environments, preventing pitting and crevice corrosion.
- High Strength with Moderate Ductility
Offers a balance of high tensile strength and good ductility, ensuring durability under mechanical loads.
- Non-Magnetic Properties
Retains its non-magnetic nature even under extreme temperatures and stress conditions.
Inconel 617 (UNS N06617 / 2.4663 / NiCr23Co12Mo) Bolt Applications
Inconel 617 bolts are widely used in high-temperature and high-stress environments due to their superior oxidation resistance, creep strength, and excellent corrosion resistance. Below are the primary applications:
1. Aerospace & Gas Turbine Components
- Used in gas turbine engine components such as combustors, transition ducts, and turbine rings.
- Ideal for aircraft exhaust systems and afterburners due to excellent oxidation resistance at high temperatures.
2. Power Generation (Fossil Fuel & Nuclear Plants)
- Commonly found in heat exchangers, superheaters, and reheaters in fossil fuel plants.
- Used in nuclear reactors due to resistance to radiation-induced embrittlement.
- High creep resistance makes it suitable for steam generators and high-pressure boilers.
3. Chemical & Petrochemical Processing
- Employed in catalyst support grids, furnace components, and heat shields in chemical industries.
- Resistant to carburization and nitriding, making it suitable for hydrogen production plants.
4. Heat Treatment & Industrial Furnaces
- Used in components like retorts, muffles, and baskets for heat-treating furnaces.
- Ideal for applications that require high-temperature mechanical strength and oxidation resistance.
5. Marine & Offshore Applications
- Withstands harsh marine environments, making it useful in offshore drilling platforms, piping systems, and seawater heat exchangers.
- Corrosion-resistant in both oxidizing and reducing conditions.
6. Automotive & Motorsport Industry
- Used in high-performance exhaust systems and turbocharger components due to high-temperature resistance.
- Found in race car and performance vehicle engine components.
7. Cement & Metal Processing Industries
- Suitable for kiln components, conveyor belts, and incinerators where high-temperature corrosion is a concern.
- Used in metal casting molds and crucibles due to its thermal stability.
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