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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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spiral welded steel pipe, welded steel pipe stress, spiral steel pipe extrusion process

What is the stress state of spiral welded steel pipe during the extrusion process

Keywords :spiral welded steel pipe, welded steel pipe stress, spiral steel pipe extrusion process        Update : 2025-12-12        View(s) : 69

(1) During extrusion, the temperature of the inner lining of the spiral welded steel pipe continuously increases with the extrusion process. At the end of extrusion, the temperature in the area near the extrusion die on the inner wall of the lining is relatively high, reaching 631℃. The temperat...

galvanized steel pipe characteristics, galvanized steel pipe connection, galvanized steel pipe usage

How Much Do You Know About the Connection Methods and Characteristics of Galvanized Steel Pipes

Keywords :galvanized steel pipe characteristics, galvanized steel pipe connection, galvanized steel pipe usage        Update : 2025-12-11        View(s) : 83

There are three connection methods for galvanized steel pipes : 1. Grooving Connection (1) Grooving Weld Cracking: ① Grind the weld bead on the inner wall of the grooved part of the galvanized steel pipe to reduce grooving resistance. ② Adjust the axis of the galvanized steel pipe and the...

3PE anti corrosion steel pipe, 3PE steel pipe processing, 3PE steel pipe details

Regarding the processing methods of industrial 3PE anti-corrosion steel pipes

Keywords :3PE anti corrosion steel pipe, 3PE steel pipe processing, 3PE steel pipe details        Update : 2025-12-08        View(s) : 143

The processing methods of 3PE anti-corrosion steel pipes are generally divided into two types: spiral wound and circular mold coating. Both consist of a three-layer structure: the first layer is epoxy powder (FBE>100um), the second layer is adhesive (AD) 170-250um, and the third layer is poly...

galvanized steel pipe, galvanized steel pipe welding, galvanized steel pipe corrosion

How to prevent corrosion during the welding of galvanized steel pipes

Keywords :galvanized steel pipe, galvanized steel pipe welding, galvanized steel pipe corrosion        Update : 2025-12-05        View(s) : 92

First, corrosion prevention for welded galvanized steel pipes : After surface treatment, apply thermal spray zinc. If on-site galvanizing is not possible, on-site corrosion prevention methods can be used: apply epoxy zinc-rich primer, epoxy micaceous iron oxide intermediate paint, and polyureth...

flange, blind flange, flange application

What is the difference between a flange and a blind flange

Keywords :flange, blind flange, flange application        Update : 2025-12-02        View(s) : 109

As we all know, pipes are usually connected by some kind of fitting, which we call a " flange ". However, in real life, many of us are not clear about the difference between a flange and a blind flange, and often confuse them. The differences between a flange and a blind flange are explained in de...

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