Knowledge

02Sep, 2024

Common Welding Defects in Spiral Steel Pipes
The submerged arc welding zone is prone to defects such as porosity, hot cracks, and undercutting. Porosity: Porosity mostly occurs in the center of the weld bead. The primary reas
02Sep, 2024

Precautions for Using Straight Seam Steel Pipes
General Welded Pipes: General welded pipes are used for conveying low-pressure fluids. They are made of Q195A, Q215A, and Q235A steel, or other easily weldable mild steel. These pi
31Aug, 2024

Introduction to the Differences Between Ordinary Steel Pipes and Spiral Welde...
Steel pipes can be categorized based on welding methods, including arc-welded pipes, high-frequency or low-frequency resistance-welded pipes, gas-welded pipes, furnace-welded pipes
31Aug, 2024

What to Do When the Weld Reinforcement of Welded Pipes is Too High
The excessive weld reinforcement at the weld toe is prone to causing stress corrosion cracking. The stress concentration in butt joints is primarily induced by the weld reinforceme
31Aug, 2024

What Factors Affect the Quality of Spiral Steel Pipes
In recent years, with the continuous upgrading of the welding technology for large-diameter spiral steel pipes (SSAW), their processing quality and technological performance have s
31Aug, 2024

Transportation and Storage Guidelines for Anticorrosive Steel Pipes
When confronted with the issue of storing anticorrosive steel pipes, many people undoubtedly share similar concerns. Below, let's delve into the specifics of how to store these
31Aug, 2024

Introduction to Different Types of Welded Steel Pipes
Welded steel pipes, also known as welded pipes, are made by welding steel plates or strips after they are curled and formed into tubes. The production process of welded steel pipes
30Aug, 2024

Surface Treatment Methods and Installation of Spiral Pipe
Surface Treatment Methods for Spiral Pipe: Spiral pipe is named so because of its apparent spiral pattern on the exterior. During production, it utilizes low-carbon structural stee
30Aug, 2024

Requirements for Zinc Layer Thickness of Hot-dip Galvanized Coatings
Hot-dip galvanizing is a metallurgical reaction process. From a microscopic perspective, the hot-dip galvanizing process involves two dynamic equilibria: thermal equilibrium and zi
30Aug, 2024

Comparison of technical characteristics of spiral welded pipes and straight w...
1. Metallurgical performance of materials The straight seam buried arc welded pipe is produced with steel plates, and the spiral welded pipe is produced with hot -rolled coils. The
30Aug, 2024

Handling spiral steel pipes requires avoiding these defects
Spiral steel pipes play a vital role in our daily lives. Below, based on the heat treatment processes of spiral steel pipes, we will introduce the common defects of each process. D
30Aug, 2024

Three Connection Methods of Spiral Steel Pipes
The connection methods of spiral steel pipes are mainly divided into three types. 1: Flange Connection: Generally, flange connection is fast, convenient for construction, and requi

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