Inconel 725 Seamless Pipe

Engineered for the most unforgiving environments, the Inconel 725 seamless pipe is a premium age-hardenable nickel-chromium-molybdenum alloy designed to bridge the critical gap between high mechanical strength and exceptional corrosion resistance. This material offers the comprehensive corrosion protection of Inconel 625 while delivering double the yield strength of its annealed counterpart. Unlike cold-worked alternatives, its superior strength is achieved through precise precipitation hardening heat treatment, ensuring uniform properties, superior toughness, and outstanding resistance to sulfide stress cracking (SSC) and hydrogen embrittlement in sour gas applications.

 

 

 

Chemical Composition (wt%) 

Mechanical Properties (Room Temperature, Solution Annealed + Aged)

We operate a well-equipped metal manufacturing factory located in Wuxi, with complete production lines for hot piercing, cold drawing, heat treatment and non-destructive testing. Every batch of Inconel 725 seamless pipe can be supplied with EN 10204 3.1 or 3.2 material certificates, PMI inspection records and full dimensional reports. Strict quality checks are performed from raw material melting to finished packaging, to guarantee consistent mechanical and chemical properties for global clients. Our team has rich experience handling export orders, including IPPC wooden packaging, VCI anti-rust protection and customized marking to meet different regional compliance standards.

The unique combination of high strength and corrosion resistance makes the Inconel 725 seamless pipe indispensable in critical sectors:

 Oil & Gas (Sour Service): Downhole tubing, packer components, landing nipples, and safety valve bodies in high-pressure, high-temperature (HPHT) wells containing H₂S and CO₂.
 Marine Engineering: Subsea pipeline systems, high-strength fasteners, and seawater cooling systems where resistance to chloride pitting and crevice corrosion is vital.
 Chemical Processing: Reactors, heat exchangers, and transfer piping handling aggressive acids, halogens, and high-pressure corrosive media.
 Aerospace & Power: High-temperature structural components, combustion liners, and turbine parts requiring creep resistance and oxidation stability.

Inconel 725 Seamless Pipe Stock Specifications

Jiangsu Cunrui Metal Products Co., Ltd. maintains sufficient conventional stock of Inconel 725 seamless pipe to support customers' urgent procurement, trial orders and short-cycle project demands. All stock pipes are factory-tested with complete qualification documents, available for immediate delivery.

Note: For special sizes not listed, we support rapid customized production, with a typical delivery time controllable within 4-6 weeks.

JiangSu CunRui Metal Products Co., Ltd.

 

At Jiangsu Cunrui Metal Products Co., Ltd., we don't just supply metals; we engineer solutions for extreme conditions. Located in the heart of China's industrial manufacturing hub, our facility is equipped with state-of-the-art vacuum melting, hot extrusion, and cold pilgering lines. We maintain strict quality control from raw material sourcing to final inspection, ensuring every Inconel 725 seamless pipe leaving our factory meets or exceeds international standards like ASTM B829 and NACE MR0175. Our commitment to precision and reliability has made us a trusted partner for global energy and engineering projects.

 

Our Business Scope

Jiangsu Cunrui Metal Products Co., Ltd. offers a comprehensive range of nickel-based alloy solutions:
 Product Forms: Seamless Pipes, Welded Tubes, Round Bars, Flanges, Fittings, and Plates.
 Alloy Portfolio: Inconel 725, Inconel 625, Inconel 718, Monel 400/K500, Hastelloy C276/C22, Incoloy 825/926, and Titanium alloys.
 Custom Services: OEM/ODM manufacturing, non-standard size customization, precision cutting, beveling, and third-party inspection coordination (SGS, BV, TUV).
 Global Logistics: Professional export packaging and door-to-port/door-to-door shipping solutions worldwide.

In the demanding fields of oil, gas, and chemical processing, material integrity is non-negotiable. Our commitment to quality ensures that every inch of our Inconel 725 seamless pipe strictly adheres to ASTM B704 and ASTM B705 specifications. We provide a comprehensive Mill Test Certificate (MTC 3.1) with every shipment, offering full traceability of chemical composition and mechanical properties from the melt shop to your site. Beyond documentation, we validate our promise through action: our inventory is managed with precise "One Item, One Code" tracking, and we fully support third-party inspections by agencies like SGS and BV. By combining rigorous standard compliance with transparent verification, we guarantee that our materials are not only authentic but capable of withstanding your most critical applications.

Ultimately, our relationship with clients extends far beyond the immediate transaction of supplying materials. We view every order of Inconel 725 not as a singular event, but as the foundation of a lasting strategic partnership. In an industry defined by fluctuating markets and evolving technical challenges, you need a supplier who offers more than just inventory-you need a dedicated ally committed to your long-term success. By consistently delivering certified quality, ensuring supply chain stability, and maintaining transparent communication, we aim to become an integral extension of your operations. We are dedicated to growing alongside your business, adapting to your future needs, and providing the reliability that allows you to plan with confidence. Let us move forward together, building a future defined by mutual trust, shared growth, and enduring cooperation.