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Threeway Steel Co., Ltd

E-mail: sales@srtsteelpipe.com

Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

Phone:0086-731-8873-9521  

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J55 Casing Pipe

How to Solve the Deformation of J55 Casing Pipe?

Keywords :J55 Casing Pipe        Update : 2026-06-24        View(s) : 119

J55 casing pipe is widely used in oil and gas wells, but deformation—such as bending, ovality, or collapse—remains a costly challenge. These distortions typically result from mechanical stress during handling, improper installation, thermal cycling in steam injection wells, or uneven later...

OCTG

Hydrostatic Testing vs. Non-Destructive Testing (NDT): Ensuring 100% Leak-Free OCTG

Keywords :OCTG        Update : 2026-06-23        View(s) : 122

Ensuring leak-free Oil Country Tubular Goods (OCTG) requires a dual approach: hydrostatic testing and non-destructive testing (NDT). These complementary methods serve distinct but equally vital roles in preventing costly well control incidents. Hydrostatic testing is a proof test t...

Duplex Stainless Steel

Desalination Plant Piping: Selecting Duplex Stainless Steel for Chloride Resistance

Keywords :Duplex Stainless Steel        Update : 2026-06-22        View(s) : 128

Desalination plants operate in highly aggressive, chloride-rich environments where conventional carbon steel and standard stainless steels (like 304/316) frequently fail due to pitting and stress corrosion cracking. To ensure long-term reliability, duplex stainless steel has become the pre...

Cold Bending vs. Hot Bending Steel Pipes

Cold Bending vs. Hot Bending Steel Pipes: Preventing Wall Thinning and Ovality.

Keywords :Cold Bending vs. Hot Bending Steel Pipes        Update : 2026-06-18        View(s) : 101

Steel pipe bending is essential for pipeline and structural projects, but improper execution can cause critical defects like wall thinning, ovality, or cracking. To ensure structural integrity, engineers must choose between cold bending and hot bending based on specific project needs. ...

Duplex Stainless Steel Seamless Pipe

Manufacturing, Characteristics, and Applications of Duplex Stainless Steel Seamless Pipe

Keywords :Duplex Stainless Steel Seamless Pipe        Update : 2026-06-17        View(s) : 121

Duplex stainless steel seamless pipes are advanced materials featuring a dual-phase microstructure that delivers superior strength and excellent corrosion resistance compared to standard 304 or 316 grades. Manufactured without a weld seam, these pipes eliminate weak points, offering except...

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