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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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Introduction of anti-corrosion of inner wall of large diameter steel pipe

Introduction of anti-corrosion of inner wall of large diameter steel pipe

Keywords :Introduction of anti-corrosion of inner wall of large diameter steel pipe        Update : 2023-12-12        View(s) : 179

1. Before processing all steel pipes, the steel plate on the inner wall of the large-diameter steel pipe should be trusted, and it is required to reach the metal luster (whitening). It should reach the sa2.5 standard required in the "Surface Rust Grade and Derusting Grade of Steel Before Painting" G...

Precautions for storing straight seam steel pipes

Precautions for storing straight seam steel pipes

Keywords :Precautions for storing straight seam steel pipes        Update : 2023-12-08        View(s) : 1

Most merchants did not use the straight seam steel pipe soon after purchasing it. So is there anything we need to pay attention to in the storage of straight seam steel pipes? The staff of the straight seam steel pipe manufacturer reminded us that the correct storage method of the straight seam ...

What should be paid attention to when welding galvanized steel pipe

What should be paid attention to when welding galvanized steel pipe

Keywords :What should be paid attention to when welding galvanized steel pipe        Update : 2023-12-06        View(s) : 1

1. The premise must be polished The galvanized layer of the weld must be polished away, otherwise air bubbles, trachoma, false welding, etc. will occur. It will also make the weld brittle and reduce the rigidity. 2. The welding characteristics of galvanized steel Galvanized steel is general...

Causes and adjustment of uneven steel pipe wall thickness

Causes and adjustment of uneven steel pipe wall thickness

Keywords :Causes and adjustment of uneven steel pipe wall thickness        Update : 2023-12-04        View(s) : 228

1. The uneven thickness of the spiral wall is caused by the uneven rolling centerline of the piercing machine, the unequal inclination of the two rolls, or the excessive reduction of the front head. The uneven wall thickness is generally along the full length of the steel pipe. Spiral distribution. ...

Precautions for storing straight seam steel pipes

Precautions for storing straight seam steel pipes

Keywords :Precautions for storing straight seam steel pipes        Update : 2023-11-30        View(s) : 1

Most merchants did not use the straight seam steel pipe soon after purchasing it. So is there anything we need to pay attention to in the storage of straight seam steel pipes? The staff of the straight seam steel pipe manufacturer reminded us that the correct storage method of the straight seam st...

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