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Quality problems of LSAW steel pipe
In the production of LSAW steel pipes, the heating operation is crucial for ensuring product quality, as the primary processes occur in a hot state.
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Shape requirements of LSAW steel pipe
Before non-destructive testing (NDT), the welds of LSAW steel pipes must undergo a visual inspection to ensure they meet specific criteria. The general requirements for the appearance and surface quality of welded joints are as follows.
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Low-pressure vs ordinary carbon steel pipe - application in the heating field
With the advancement of urban construction and rising living standards, heating has become an essential aspect of everyday life. When selecting materials for heating pipes, carbon steel pipes are a top choice. However, the applications of low-pressure carbon steel pipes and ordinary carbon steel pipes differ significantly. Let's explore the characteristics and application differences of low-pressure carbon steel pipes in heating systems.
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Common sealing methods of OCTG casing pipe
Oil Country Tubular Goods (OCTG) casing pipes require effective sealing methods to ensure their performance and reliability in various applications. Here are some of the most common sealing methods used for OCTG casing pipes.
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Specifications of spiral welded steel pipes
Spiral welded steel pipe (SSAW) is a versatile material extensively utilized in construction, transportation, water conservancy, and other sectors. Its primary benefits include high strength, corrosion resistance, and strong pressure resistance. Spiral steel pipes are available in various specifications and models, depending on diameter and wall thickness. Below, we provide a detailed overview of these specifications and models.
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What is the fixed length of SSAW welded pipe?
The standard fixed lengths of SSAW (Spiral Submerged Arc Welded) pipes are generally 6 meters, 12 meters, and 18 meters. These lengths are determined based on production needs. Typically, shorter fixed lengths are chosen for smaller diameter pipes, while longer fixed lengths are selected for larger diameter pipes.
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Anti-corrosion material selection for ERW steel pipes
This article will briefly introduce anti-corrosion material selection for ERW steel pipes.
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Anti-corrosion methods for ERW steel pipes
ERW steel pipe anti-corrosion technology encompasses various methods applied to the surface or interior of welded steel pipes to slow down or prevent corrosion and extend the pipeline's service life. These technologies include surface treatment, coating protection, and cathodic protection. This article delves into several anti-corrosion methods for ERW steel pipes.
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3PE anti-corrosion pipe manufacturing process
The 3PE (Three-layer Polyethylene) anti-corrosion pipeline is widely used for its excellent corrosion resistance and mechanical properties. The 3PE coating process involves applying three distinct layers onto the pipe surface, ensuring long-term protection against corrosion, especially in harsh environments such as underground and underwater.
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ASTM A53 pipe raw material
ASTM A53 pipe, is a specification for seamless and welded black and hot-dipped galvanized steel pipe. It is primarily used for mechanical and pressure applications as well as for steam, water, gas, and air lines. This article will talk about the raw material of ASTM A53 pipe.
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