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standard steel pipe, steel pipe quality, combination steel pipe

National standard steel pipe is a combination of quality and standards

Keywords :standard steel pipe, steel pipe quality, combination steel pipe        Update : 2024-09-03        View(s) : 54

A national standard steel pipe, as the name implies, is a steel pipe manufactured by the industry standards and specifications uniformly promulgated by the state. This kind of steel pipe strictly follows the national standards in key parameters such as outer diameter and wall thickness, and the erro...

spiral steel pipe, straight seam steel pipe, steel pipe welding

Differences between submerged arc welding spiral steel pipe and straight seam high-frequency welding

Keywords :spiral steel pipe, straight seam steel pipe, steel pipe welding        Update : 2024-09-02        View(s) : 43

Submerged arc welding spiral steel pipe uses continuous welding wire as electrode and filler metal. When working, a layer of granular flux is covered in the welding area. The arc of the large-diameter spiral pipe burns under the flux layer, melting the end of the welding wire and the local parent ma...

steel pipe pre welding, straight seam steel pipe, welded steel pipe

Pre-welding of straight seam steel pipes: pre-welding includes joints and welds.

Keywords :steel pipe pre welding, straight seam steel pipe, welded steel pipe        Update : 2024-08-30        View(s) : 56

Introduction to pre-welding and welding essentials of straight seam steel pipes 1. The joint (also known as the forming seam) has no misalignment or the misalignment is less than the specified value. Generally, the misalignment is ≤8% of the plate thickness, and the maximum is no more than 1.5m...

straight seam steel pipe, welded steel pipe, precaution straight seam steel pipe

Introduction to straight seam steel pipes and precautions for using straight seam steel pipes

Keywords :straight seam steel pipe, welded steel pipe, precaution straight seam steel pipe        Update : 2024-08-29        View(s) : 1

Straight seam steel pipes do not refer to a certain type of steel pipe, but a large category of welded steel pipes. They are made of steel strips. Steel pipes made using straight seam high-frequency welding equipment can be called straight seam steel pipes. To put it simply, when welding steel plate...

anti-corrosion steel pipeline, steel pipeline layers, steel pipeline material

What materials can be used for steel pipeline anti-corrosion layers

Keywords :anti-corrosion steel pipeline, steel pipeline layers, steel pipeline material        Update : 2024-08-28        View(s) : 48

The most commonly used steel pipeline anti-corrosion layers in China include petroleum asphalt, PE jackets, PE foam jackets, epoxy coal tar, coal tar enamel, epoxy powder, three-layer composite structure, epoxy coal tar cold wrap (PF type), rubber-plastic epoxy coal tar cold wrap (RPC type), etc. At...

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