
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: 410116Phone:0086-731-8873-9521

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...

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...

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...

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...

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...