Inconel 718 Seamless Pipe Manufacturer & Supplier in Thailand
Inconel 718 Seamless Pipes is a high-performance nickel-chromium alloys known for exceptional strength, corrosion resistance, and durability in extreme environments. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd. has years of experience in pipe manufacturing and supplying. We specialise in producing these pipes to meet rigorous standards such as ASTM B983, ASME SB983, DIN 2.4668, and UNS N07718. A comprehensive overview of Inconel 718 seamless piping, including key features, detailed specifications, chemical composition, mechanical and physical properties, and more, is explained for better technical understand. We hold multiple industry certifications and third-party inspection approvals, ensuring adherence to international quality standards. Our commitment to custom solutions, on-time delivery, and full customer support makes us a trusted partner for all your Inconel 718 seamless pipe requirements.
What is Inconel 718 Seamless Pipes?
Inconel 718 Seamless Pipes are high-strength, corrosion-resistant pipes made from a nickel-chromium alloy designed for high-temperature and high-pressure applications. Composed of nickel, chromium, molybdenum, niobium, and titanium, they meet global standards such as ASTM B983, DIN 2.4668, and UNS N07718. Inconel 718 seamless pipe offers superior tensile and yield strength due to its precipitation-hardening capability, making it better suited for extreme mechanical stress. The seamless construction, free from welded joints, ensures uniformity, enhanced structural strength, and improved resistance to corrosion and pressure-related failures. These properties make Inconel 718 Seamless Pipes ideal for critical industries where long-lasting performance is essential.
Benefits of Using Inconel 718 Seamless Pipes
Inconel 718 Seamless Pipes offers exceptional performance in demanding environments—explore the table below to understand its key benefits across strength, corrosion resistance, temperature tolerance, and more.
Corrosion Resistance
Built to resist surface degradation, Inconel 718 seamlessly withstands exposure to harsh chemicals, moisture, and oxidizing elements, minimizing material loss over extended periods.
High Temperature Resistance
Retains critical strength and resists thermal distortion when exposed to elevated temperatures, providing excellent metallurgical stability under long-term heat exposure.
Strength and Toughness
Combines hardness with elasticity, offering superior crack resistance and load-bearing capacity, even under fluctuating mechanical forces or stress cycles.
Radiation Resistance
Maintains microstructural integrity and resists embrittlement caused by radiation, allowing long-term usage in environments with consistent particle exposure.
High-Pressure Resistance
Engineered without welds, these pipes handle extreme internal loads, delivering excellent pressure containment and minimizing the risk of rupture or collapse.
Reliability
Designed for consistent quality and dimensional accuracy, Inconel 718 seamless pipes support critical performance requirements with dependable metallurgical uniformity.
Weldability and Formability
Supports a variety of fabrication techniques, including welding and cold forming, without compromising structural properties or requiring excessive post-processing treatments.
Why Choose Thaida for Your Inconel 718 Seamless Pipes Needs?
Competitive Pricing
Global Exports Expertise
Large Inventory & Fast Delivery
Custom Sizes & Special Orders
Industry Certifications & Compliance
Premium Materials & Strict Quality Control
After-Sales Support & Service
In-House Testing & Full Traceability
Inconel 718 Seamless Pipes Specifications
Inconel 718 Seamless Pipes Specifications offer essential technical details; the table below highlights standards, types, and Schedule for quick reference.
| Size | ½”NB – 24”NB |
|---|---|
| Standards | ASME SB-167 |
| Schedule | SCH 10 – SCH XXS |
| Type | Seamless |
| Length | Double Random, Single Random, Cut Length |
| Form | Round, Rectangular, Hydraulic, Square |
718 Inconel Seamless Pipes Chemical Composition
718 Inconel Seamless Pipes Chemical Composition
This table details available sizes, wall thicknesses and schedules for different industrial applications.
| Grade | C | Mn | Si | P | S | Cr | Cb | Mo | Co | Ta | Ti | Al | B | Fe | Ni | Cu |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UNS N07718 | ≤0.08 | ≤0.35 | ≤0.35 | ≤0.015 | ≤0.015 | 17.00–21.00 | ≤1.00 | 2.80–3.30 | 4.75–5.50 | 0.05 | 0.65–1.15 | 0.20–0.80 | ≤0.006 | Bal | 50.00–55.00 | ≤0.30 |
Inconel 718 Seamless Pipes Mechanical Properties
Inconel 718 Seamless Pipes Mechanical Properties
Inconel 718 Seamless Pipes offer excellent mechanical strength. The table below shows key values like tensile strength, yield strength, elongation, and hardness for quick performance evaluation.
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness (Brinell) |
|---|---|---|---|---|---|---|
| Inconel 718 | 8.2 g/cm³ | 1350 °C (2460 °F) | Psi – 135000 , MPa – 930 | Psi – 75000 , MPa – 482 | 45% | – |
Inconel 718 Seamless Pipes Equivalent Properties
Inconel 718 Seamless Pipes Equivalent Properties
The following table highlights the equivalent properties of Inconel 718, comparing it with similar materials in different standards.
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Inconel 718 | 2.4668 | N07718 |
Manufacturing Process Of Inconel 718 Seamless Pipes
Following are the 5 steps involved in the inconel 718 seamless pipe manufacturing process to achieve high-quality output.
1. Raw Material Selection
High-quality inconel billets and strips are carefully selected for superior strength and corrosion resistance.
2. Pipe Formation
The selected raw material is formed into pipes using seamless extrusion methods, depending on the application.
3. Heat Treatment
Pipes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.
4. Cold Working & Finishing
After heat treatment, pipes are cold-worked for better surface finish, dimensional accuracy and improved strength.
5. Quality Control and Testing
Every pipe is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.
Applications of Inconel 718 Seamless Pipes
Inconel 718 Seamless Pipes are majorly used in the aerospace industry for manufacturing jet engine parts, turbine components and exhaust systems, making it the largest consumer sector. These pipes handle high stress, extreme heat, and fluctuating pressure with ease, making them ideal for flight-critical systems. In power generation, they are used in gas turbines and heat exchangers, while in the nuclear sector, they maintain integrity under radiation and heat. Their role extends to chemical processing, where they transport corrosive fluids without degradation.
Aerospace Applications
Oil and Gas Industry
Chemical Processing Industry
Nuclear Power Plants
Heat Treatment Equipment
Construction & Infrastructure
Food Processing Industry
Marine Applications
Pharmaceutical & Biotechnology
FAQ's
How are Inconel 718 Seamless Pipes manufactured to ensure seamless construction?
Inconel 718 Seamless Pipes are manufactured using processes like extrusion or rotary piercing. A solid billet of the alloy is heated, and a mandrel is pushed through the center to create a hollow tube without any welded seams. This process ensures uniform wall thickness and the highest level of structural integrity for critical applications.
What is Inconel 718 used for?
Inconel 718 is primarily used for components needing extremely high strength at elevated temperatures. Key uses include jet engine parts like turbine blades and compressor disks, rocket motor components, and high-strength fasteners. It is also vital for highly stressed parts in the oil and gas industry and medical devices.
Why are Inconel 718 Seamless Pipes suitable for high pressure and temperature systems?
These seamless pipes are suitable because Inconel 718 is a precipitation-hardened superalloy. This hardening process gives the material exceptional tensile and creep-rupture strength. The alloy maintains its structural integrity and high mechanical properties under simultaneous exposure to high pressure and intense heat.
What are the advantages of Inconel 718?
The main advantages of Inconel 718 are its very high strength at temperatures up to 1300°F (704°C) and its excellent weldability. It also resists common corrosion and oxidation well. The ability to be easily welded, then aged for maximum strength, is a key benefit for complex fabrication.
How do Inconel 718 Seamless Pipes perform at extremely high temperatures?
Inconel 718 Seamless Pipes perform very well, showing excellent creep resistance and high rupture strength. The material is designed to resist permanent deformation and failure when stressed at high heat over long periods. Stable performance is critical for aerospace and power generation equipment.
Is Inconel 718 stronger than titanium?
Yes, generally, Inconel 718 is significantly stronger than most titanium alloys at elevated temperatures. While titanium is strong and lightweight at room temperature, it rapidly loses strength above 1000°F (538°C). Inconel 718 retains superior strength much higher, making it suitable for jet engine hot sections.
What industries most commonly use Inconel 718 Seamless Pipes?
The aerospace and space exploration industries are the primary users of Inconel 718 Seamless Pipes. They are also extensively used in the power generation sector for gas turbine components and in the petrochemical industry for severe service process equipment.
What is the maximum temperature for Inconel 718?
The maximum operating temperature for Inconel 718 is typically limited to around 1300°F (704°C) for high-stress, long-term applications. Above this temperature, the material’s strength starts to decrease rapidly. Its oxidation resistance can be maintained up to about 1800°F (982°C) in non-load-bearing applications.