Knowledge

16Jul, 2024

Decisive factor in the quality of spiral tube
In recent years, with the continuous upgrading of large -caliber spiral steel pipes (SSAW) welding processes, its processing quality and process performance will be significantly i
15Jul, 2024

Method of storage of spiral steel pipes
Precautions for the placement of spiral steel pipes: 1. The height of the spiral steel tube stacking height, the artificial homework does not exceed 1.2m, the mechanical homework d
15Jul, 2024

Polyethylene anti -corrosion steel pipe and anticorrosive technology
There are two types of anti -corrosion in the inner wall of the steel pipe: one is hot -melt epoxy resin powder (high -temperature sintering), and the other is liquid epoxy coating
15Jul, 2024

3PE anticorrosive steel pipe's anticorrosive structure
3PE anticorrosion is generally composed of a three -layer structure, namely epoxy powder, adhesive and polyethylene. In actual operation, these three materials are mixed and melted
15Jul, 2024

Introduction to 3PE anticorrosive steel pipe
3PE anticorrosive steel pipe is a very common anticorrosive material, and its anticorrosive performance is very superior. There are three main substrates of 3PE anti -corrosion ste
15Jul, 2024

Double -sided buried arc spiral welding steel pipe production process
(1) The raw materials are steel rolls, welded wires, and solder. Strict physical and chemical tests must be passed before the investment. (2) Turn with steel head and tails, use si
14Jul, 2024

Technical requirements for the manufacturing of spiral steel pipes
Although the standard specifies the "surface smooth" of the spiral tube, some spiral pipe manufacturers are on the surface of steel pipes on the surface of the steel pipe
14Jul, 2024

Two mechanical performance test methods of spiral steel pipes
Mechanical performance testing methods are mainly divided into two categories, one is stretching test, and the other is hardness test. 1. The stretch test is to control the spiral
14Jul, 2024

What are the differences between galvanized pipes and stainless steel pipes
If you want to buy well -corrosive pipes, in fact, galvanized pipes and stainless steel pipes are good choices. However, the processing methods of the two are different, and the fi
14Jul, 2024

Save of straight seam steel pipes
The straight seam welded equipment plays an important role in people's lives and work, but the maintenance of straight seam steel pipes has always been a headache. Let's ta
14Jul, 2024

Introduction to straight sewing steel pipes
Strailed steel pipes are a kind of welding steel pipe. Refers to the steel pipes of the vertical parallel of the weld and the steel pipe. After the hot -rolled steel roll meridian
12Jul, 2024

Application field of galvanized pipes
Building field: Galvanized pipes have been widely used in the fields of water supply, heating, and fire protection. Industrial field: used for fluid transportation in industrial fi

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