Knowledge

04Sep, 2024

Straach processing of straight seam steel pipes
The straight sewing steel pipe is an important process in the production of straight steel pipes. Especially for API standards with high quality requirements and oil pipes, special
04Sep, 2024

Welding Quality Control of Longitudinally Welded Steel Pipes
Longitudinally welded steel pipes are a type of steel pipe with welds parallel to the longitudinal direction of the pipe. They are generally classified into metric electric welded
04Sep, 2024

Measurement Methods for the Length of Longitudinally Welded Steel Pipes
Measurement Using Grating Ruler The fundamental principle involves installing two fixed-length grating rulers on the outer sides of both ends of the longitudinally welded steel pip
04Sep, 2024

Manufacturing Process of Longitudinally Welded Steel Pipe
Longitudinally welded steel pipes can be categorized into high-frequency longitudinally welded steel pipes and submerged arc welded longitudinally welded steel pipes based on their
03Sep, 2024

Practical Application of Insulated Steel Pipes
Insulated pipes are widely used in the transportation networks for liquids and gases, as well as in insulation projects for chemical pipelines, oil and chemical industries, central
03Sep, 2024

Introduction to Two Types of Defects in Welded Steel Pipes
The production process of welded steel pipes involves rolling steel plates or strips into the desired cross-sectional shape either directly or in a spiral direction using various f
03Sep, 2024

Advantages, Disadvantages, and Major Applications of Spiral Steel Pipes
Spiral steel pipes are produced by forming strip steel or coiled plate into a spiral shape and welding the inner and outer seams using double-sided submerged arc welding. Due to th
03Sep, 2024

Introduction to Welded Steel Pipes
Welded steel pipes, also known as welded pipes, are steel tubes formed by welding steel plates or steel strips after they have been curled into shape. The production process of wel
03Sep, 2024

Purpose and Properties of Hot-dip Galvanized Steel Pipes
Hot-dip galvanized steel pipes are welded steel tubes with a hot-dip galvanized or electrogalvanized layer on their surface. Galvanization enhances the pipes' corrosion resista
02Sep, 2024

Analysis of Characteristics of Galvanized Steel Welding
Galvanized steel typically involves coating a layer of zinc, usually 20 microns thick, onto low-carbon steel. The melting point of zinc is approximately 419°C, with a boiling p
02Sep, 2024

Connection Methods of Galvanized Round Pipes
Galvanized steel pipes used for domestic water supply are uniformly connected by threading, also known as screwed connections. Typically, water supply pipes with a nominal diameter
02Sep, 2024

Classification and Characteristics of Galvanized Pipes
I. Overview of Galvanized Pipes To improve the corrosion resistance of steel pipes, they are subjected to galvanizing processes. Galvanized pipes (galvanized steel pipes) are divid

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