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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) : 49

(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) : 64

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...

boiler steel tube, boiler steel pipe production, boiler steel pipe wall thickness

Boiler Steel Tube Production Methods and Wall Thickness Issues

Keywords :boiler steel tube, boiler steel pipe production, boiler steel pipe wall thickness        Update : 2025-12-10        View(s) : 59

First, Boiler Steel Tube Production Methods Boiler steel tubes are a type of seamless steel tube. The manufacturing method is the same as for seamless steel tubes, but there are strict requirements on the steel grade used. They are divided into general boiler steel tubes and high-pressure boil...

high pressure seamless steel pipe, seamless steel pipe material, seamless steel pipe manufacturing

The Materials and Manufacturing Processes of Industrial High-Pressure Seamless Steel Pipe

Keywords :high pressure seamless steel pipe, seamless steel pipe material, seamless steel pipe manufacturing        Update : 2025-12-09        View(s) : 51

High-pressure seamless steel pipes are actually high-pressure boiler steel pipes. Because they are commonly used in high-temperature, high-pressure boilers, they are also called boiler steel pipes. Although the names differ, they are essentially the same type of seamless steel pipe, and their ma...

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) : 112

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...

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