Inconel 625 Seamless Tube Manufacturer & Supplier in Thailand
Inconel 625 Seamless Tubes is a high-strength, corrosion-resistant alloy tubes designed to perform reliably in high-temperature and aggressive environments. Thaida specializes in manufacturing stainless steel seamless tubes from our state-of-the-art facility in Chon Buri, Thailand, and is recognized as a trusted Inconel 625 Seamless Tubes supplier in the region. With years of pipe manufacturing experience, we offer tubes in a variety of sizes and thicknesses, available with custom cut-to-length options and bulk supply capabilities to suit diverse industrial needs. Our Inconel tubes are crafted with precise fabrication methods to ensure consistent quality and fast turnaround times. Committed to excellence, our inconel 625 seamless tubes meet ASTM B444 and other international standards, making them ideal for industries requiring exceptional strength, thermal stability, and resistance to corrosion in harsh conditions.
Product Overview: Inconel 625 Seamless Tubes
Inconel 625 Seamless Tubes are high-performance nickel alloy tubes made from a nickel-chromium-molybdenum-niobium composition. These seamless tubes are known for their excellent corrosion resistance and high strength, especially in extreme temperature and pressure conditions. Their seamless construction ensures a smooth finish, better structural integrity and leak-proof performance, making them ideal for critical industrial applications. These tubes are widely used in aerospace, marine, power generation and chemical processing in industries due to its ability to resist oxidation and pitting in harsh environments. These corrosion resistant tubes perform efficiently across a wide temperature range, from cryogenic temperatures up to around 982°C (1800°F), making them suitable for both low and high-temperature operations. The addition of niobium enhances the alloy’s strength and structural stability, especially under high stress and fluctuating thermal conditions which make them a preferred choice for engineers.
Benefits of Inconel Alloy 625 Seamless Tubes
Following are the benefits of inconel 625 seamless tubes that make them a reliable choice for demanding industrial applications.
High Strength and Durability
These tubes withstand high-pressure and high-temperature environments without deformation or failure.
Outstanding Seawater Resistance
Chloride Stress Cracking Resistance
Maintains integrity in chloride-rich conditions and provides resistance to oxidizing and reducing agents, acids and harsh chemicals, which prevents cracking and structural damage.
Wide Temperature Range Performance
Superior Toughness
Seamless Construction
Durable and reliable, reducing maintenance frequency and replacement costs over time.
Excellent Fabricability
Why Choose Our Inconel 625 Seamless Tubes?
Thaida Stainless Steel Manufacturing (Thailand) Co.Ltd,a trusted manufacturer, provides premium Inconel 625 seamless tubes made from high-quality nickel alloy for reliable performance in harsh environments. Our tubes are available in custom sizes with fast delivery and precise fabrication. Each tube meets global standards, ensuring quality and consistency. With a seamless finish and accurate dimensions, our tubes are ideal for demanding industrial applications.
Competitive Pricing
Global Exports Expertise
Large Inventory & Fast Dispatch
Custom Sizes & Finishes
Industry Certifications & Compliance
Advanced Production Technology
After-Sales Support, Service- Technical Support
In-House Testing & Full Traceability
Inconel 625 Seamless Tubes Specification
Below is the specification of Inconel 625 seamless tube, including standards and seamless tube details.
| Specifications | ASTM B163. B444 / ASME SB163, SB444 |
|---|---|
| Dimensions | ASTM, ASME and API |
| Size | 15″NB TO 150″NB IN |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Type | Seamless |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
UNS N06625 Seamless Tubes Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Nb + Ta | Co | Mo | Fe | Al | Ti | Ni |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 625 | ≤0.100 | ≤0.500 | ≤0.500 | ≤0.015 | ≤0.015 | 20.000 - 23.000 | 3.150 - 4.150 | ≤1.000 | 8.000 - 10.000 | ≤5.000 | ≤0.400 | ≤0.400 | Bal |
ASTM B444 Inconel 625 Seamless Tubes Size in mm
Explore hexagonal tubes, hollow tube dimensions and available inconel 625 round tube sizes, precise wall thickness,outside diameter, inside diameter and more.
| Wall Thickness | Inconel Tubes Sizes ( O.D.) |
|---|---|
| .010 | 1/16" , 1/8" , 3/16" |
| .020 | 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8" |
| .012 | 1/8" |
| .016 | 1/8" , 3/16" |
| .028 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2" |
| .035 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
| .049 | 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
| .065 | 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3" |
| .083 | 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3" |
| .095 | 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2" |
| .109 | 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" |
| .120 | 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3" |
| .125 | 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4" |
| .134 | 1" |
| .250 | 3" |
| .375 | 3 1/2" |
Alloy 625 Seamless Tubes Mechanical Properties
| Solution Annealed | Yield Strength (0.2% offset) | Tensile Strength | Elongation % in 2 inches |
|---|---|---|---|
| - | 40 ksi min | 100 ksi min | 30 |
Alloy 625 Seamless Tubes Manufacturing Process
Manufacturing Inconel 625 seamless tube follows a structured five main steps which is as follows. We follow a precise and professional manufacturing process to ensure each tube delivers exceptional strength, durability and a flawless finish—fully compliant with industry standards.
1. Raw Material Selection
High-quality inconel billets and strips are carefully selected for superior strength and corrosion resistance.
2. Tube Formation
The selected raw material is formed into tubes using seamless extrusion methods, depending on the application.
3. Heat Treatment
Tubes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.
4. Cold Working and Finishing
After heat treatment, tubes are cold-worked for better surface finish, dimensional accuracy and improved strength.
5. Quality Control and Testing
Every tube is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.
Applications of ASTM B444 Inconel 625 Seamless Tubes
Inconel 625 seamless tubes are primarily used in the chemical processing industry for handling highly corrosive fluids and extreme temperatures, making it the sector with the highest usage. These tubes are installed in heat exchangers, reactors, and piping systems where resistance to acids, oxidizing agents, and thermal fatigue is critical. In marine engineering, they are used in seawater piping systems and exhaust ducts due to their outstanding seawater corrosion resistance. They are employed in aerospace components, nuclear power systems, and oil & gas extraction where durability and stability under high-stress conditions are essential.
Aerospace & Defense
Oil and Gas Industry
Chemical and Petrochemical Industry
Power Generation & Heat Exchange
Automotive and Transportation
Construction and Architecture
Food and Beverage Industry
Marine & Shipbuilding
Pharmaceutical & Biotechnology
FAQ's
Why are Inconel 625 Tubes used in high-temperature applications?
Why are Inconel 625 Tubes used in high-temperature applications?
Inconel 625 tubes perform exceptionally in high-temperature environments up to 2000°F (1093°C) due to their nickel-chromium-molybdenum composition, which ensures strength, oxidation, and corrosion resistance. It maintain structural integrity under thermal stress, resist chemical degradation, and offer excellent weldability, making them ideal for aerospace, chemical, and power generation applications.
What makes Inconel 625 different from other Inconel grades?
What makes Inconel 625 different from other Inconel grades?
Inconel 625 seamless tubes stand out from other Inconel grades due to their superior corrosion resistance and high strength, achieved through a balanced composition of nickel, chromium, molybdenum, and niobium. Unlike Inconel 600, which offers moderate corrosion resistance, 625 resists pitting, crevice corrosion, and chloride-induced stress cracking even in seawater and chemical environments. While Inconel 718 provides greater tensile strength, Inconel 625 seamless tubes offer the best combination of durability, weldability, and corrosion resistance, making them ideal for chemical processing, marine, and aerospace applications.
Can Thaida provide customized Inconel 625 Seamless Tubes?
Can Thaida provide customized Inconel 625 Seamless Tubes?
Yes, Thaida can provide customized Inconel 625 seamless tubes based on specific project requirements. We offer tubes in various sizes, wall thicknesses, and lengths, with options for custom finishes, tolerances, and mechanical properties. Whether for aerospace, chemical processing, or marine applications, we ensure each Inconel 625 seamless tube is manufactured to meet precise specifications and international quality standards.
What are the key advantages of Inconel 625 Seamless Tubes?
What are the key advantages of Inconel 625 Seamless Tubes?
Inconel 625 seamless tubes provide outstanding corrosion resistance, high strength, and excellent fatigue performance, even in extreme conditions such as seawater, acids, and high-pressure environments. It maintains structural integrity at elevated temperatures, resists oxidation, and offers superior weldability and formability. These qualities make Inconel 625 seamless tubes highly versatile for aerospace, chemical processing, marine, and power generation applications.
What is inconel 625 tubes used for?
What is inconel 625 tubes used for?
Inconel 625 tubes are widely used in industries that demand high strength, corrosion resistance, and heat stability. It is essential in aerospace for exhaust systems, turbine seals, and engine ducting; in chemical and petrochemical plants for handling corrosive fluids and acids; and in oil and gas for subsea piping, downhole tools, and flare stacks. Additionally, these tubes are used in power generation and nuclear systems for heat exchangers and boilers, as well as in marine, pollution control, and desalination equipment exposed to seawater and harsh environments.
What size is inconel 625 tube?
What size is inconel 625 tube?
Inconel 625 tube sizes depend on type and manufacturing method. Seamless tubes are available from 1/2″ NB to 16″ NB, with outside diameters ranging from 6 mm to 203.2 mm and wall thicknesses up to 10 mm or more. Welded tubes range from 1/2″ NB to 24″ NB, with ODs between 5 mm and 1219.2 mm. Tube lengths typically go up to 6 meters, with custom lengths available up to 22 meters. Capillary tubes and U-bend pipes are also offered in smaller or specialized sizes, and custom dimensions can be supplied as per project requirements.
Is inconel 625 a stainless steel?
Is inconel 625 a stainless steel?
No, Inconel 625 is not a stainless steel; it is a nickel-based superalloy, while stainless steel is a ferrous (iron-based) alloy. The key difference is the base metal, Inconel 625 has a high nickel content, whereas stainless steel is fundamentally an iron-based alloy.
Is inconel 625 tube easy to weld?
Is inconel 625 tube easy to weld?
Yes, Inconel 625 tubes offer excellent weldability and can be joined easily using methods such as TIG, MIG, or stick welding. The alloy resists post-weld embrittlement and retains its mechanical strength and corrosion resistance after welding, ensuring smooth fabrication and reliable performance in service.