Incoloy 925 Pipe is a seamless pipe made of the Incoloy 925 alloy (UNS N09925). It is a precipitation-hardenable nickel-iron-chromium alloy with added molybdenum, copper, titanium, and aluminium. It is one of the grades of incoloy seamless pipes that is very strong and resists corrosion and degradation in sour gas, oilfield, and other harsh environments.
ASTM B983 Incoloy 925 Seamless Pipe Manufacturer in China
We, Zhejiang Xintongda Special Steel (XTD), are a reliable Incoloy 925 pipe manufacturer. Incoloy 925 seamless pipe is a high-strength, corrosion-resistant nickel-iron-chromium alloy. 925 seamless pipe is commonly referred to as Alloy 925 in industrial contexts. We provide this pipe in compliance with the ASTM B983 standard. Small additions of molybdenum, copper, titanium, and aluminium allow this precipitation-hardenable superalloy to provide exceptional strength and resistance to aggressive environments, especially in sour gas (H₂S, CO₂) and chloride-rich conditions. Our UNS N09925 pipe finds application in demanding industries like aerospace, chemical processing, marine, and oil & gas. We are backed by ISO-certified quality systems and have an annual supply capacity of 25,000 tons. Being a global Incoloy 925 pipe supplier, we ensure stock orders are dispatched within a week.
We provide Incoloy 925 pipe that meets the following specifications:
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Standard
ASTM B983
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OD Range
6-457 mm
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Thickness
1-65 mm
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Length
≤ 18 m
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Technical Data
Technical Data
Manufacturing Process of Incoloy 925 Seamless Pipe
The manufacturing process of Incoloy 925 seamless pipe usually starts with a solid billet made from the nickel-based alloy. After that, this billet is heated and pierced to make a hollow shell. This shell is processed using methods like hot extrusion or cold pilgering/drawing until it is the right size. Then, heat treatment and a thorough inspection are done to make sure the quality is good. For a detailed overview of our manufacturing process, please visit this page.
What are the Key Features of Seamless Incoloy 925 Pipe?
Incoloy 925 pipe has 5 main features. These include high strength, corrosion resistance, workability, weldability, and excellent oxidation resistance.
- High Strength: This pipe is age-hardenable. This means that it can be heat-treated to improve its mechanical properties. The pipe can handle very high pressures and mechanical stresses due to its exceptional strength. This makes it ideal for demanding applications like oil and gas drilling equipment.
- Corrosion Resistance: The high nickel, chromium, and molybdenum content of Incoloy 925 pipe helps it resist many aggressive environments like sour gas and media that contain chloride. This capability ensures the pipe's long service life, especially in harsh conditions like offshore marine settings and chemical processing.
- Workability: The pipe maintains good ductility due to its nickel-iron-chromium base and can be successfully formed (hot or cold working processes) before final heat treatment. This feature makes it easier to fabricate the pipe into the required shapes and dimensions during the manufacturing process.
- Weldability: Nickel alloy 925 seamless pipe can be joined using standard methods that work well and keep the joint strong. Its reliable welding performance makes it easier to build complex piping systems and reduces the risk of defects in important assemblies.
- Oxidation Resistance: The chromium content of the pipe helps form a stable, protective oxide layer on the surface. This prevents the pipe from degradation at high temperatures. This resilience prevents material loss and ensures structural integrity when the pipe is exposed to hot air or combustion products.
Incoloy 925 Seamless Pipe Equivalent Material
| GRADE | UNS | GB | JIS | ISO | DIN/EN | GOST | |
| ISC | NEW | ||||||
| Incoloy 925 | N09925 | GH169 | - | NCF925 | 9825 | 1.4883 | ЭП760 |
100% Certified Testing & Documentation
- EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
- Raw Materials Certificate
- 100% PMI
- Heat Treatment Charts
- Third-Party Inspection Report
- Surface roughness and size measurement
- Manufacturer Test Certificate (Impact Testing, Flattening, Flare, Bend, Hardness, Intergranular, Pitting Corrosion, Grain size, ET, UT, HT)
- Laboratory Test Certificate from the Government-Approved Lab
What industries commonly use Incoloy 925 pipe?
There are 5 industries that use Alloy 925 seamless pipe. These include:
Oil and Gas
This pipe is essential for downhole equipment and surface components, especially in sour gas wells containing hydrogen sulfide (H2S). Its nickel and iron content make it highly resistant to sulfide stress cracking and chloride stress corrosion. These are major threats in deep drilling.
Marine
Incoloy 925 seamless pipe is used to make high-strength fasteners, pump shafts and parts of offshore platforms. The molybdenum and nickel in the alloy help it stay strong and resist severe pitting and crevice corrosion in seawater and brine solutions.
Chemical Processing
The pipe handles aggressive chemicals and acidic solutions within reactors and heat exchangers. Its balanced composition of nickel, chromium, and copper provides exceptional resistance to both oxidising and reducing acids. This ensures long-term reliability in harsh chemical plants.
Aerospace
Alloy 925 pipe is used for high-strength fasteners and various engine components where reliability is important. The pipe's ability to be age-hardened provides the high tensile strength and toughness needed to endure extreme mechanical loads and temperatures.
Power Generation
The incoloy 925 pipe is mainly used in piping systems for corrosive fluids, components in high-pressure and high-temperature sections, and heat exchangers & condensers.
Frequently Asked Questions
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What is an Incoloy 925 Pipe?