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How to deal with the oxidation and blackening of carbon steel pipe?
After sandblasting, carbon steel pipes develop a surface texture with fine lines and pores, which accelerates oxidation. In high-humidity environments, this process occurs even faster, often leading to surface discoloration, commonly seen in mild steel pipes as well. To prevent oxidation, proper protective measures must be taken after sandblasting. This article will briefly introduce how to deal with the oxidation and blackening of carbon steel pipe.
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Rifling processing of seamless steel pipes
Seamless steel pipes(SMLS pipes) are essential steel materials widely used in industries such as petroleum, chemical, electric power, aviation, and aerospace. Rifling refers to the spiral grooves on the inner wall of the pipe, which enhance its strength and hardness while improving airtightness and liquid tightness, optimizing the performance of fluid transportation systems. This article will briefly introduce rifling processing of seamless steel pipes.
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Details about DN150 galvanized steel pipes
DN150 galvanized steel pipe refers to a steel pipe with a nominal diameter of 150 mm, coated with a protective layer of zinc to enhance its corrosion resistance. This type of pipe is widely used in construction, engineering, petrochemical, and other industries due to its durability and strength. The zinc coating acts as a barrier against oxidation and environmental elements, significantly extending the pipe’s service life. Here's an overview of the DN150 galvanized steel pipes.
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A guide to DN15 plastic coated steel pipe
DN15 plastic-coated steel pipe is a versatile pipeline material widely used in construction, industry, and civil applications. With excellent corrosion resistance, high strength, and superior sealing performance, it is suitable for transporting various media, including liquids, gases, and solids. Here's a guide to DN15 plastic coated steel pipe.
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Seamless boiler steel pipes material specification
Seamless boiler steel pipes are essential components in power plants, industrial boilers, and other high-temperature and high-pressure applications. They are primarily classified into medium-pressure boiler tubes and high-pressure boiler tubes, both of which are manufactured using seamless technology rather than welded steel pipes. This ensures superior strength, reliability, and resistance to high-temperature and high-pressure conditions.
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Analysis and control of steel section appearance defects
Steel section defects can affect product quality and performance. Below are common defects, their causes, and control measures.
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Strength comparison between mild steel pipe and carbon steel pipe
In the extensive field of steel applications, mild steel tubes and carbon steel pipes are two commonly used and significant types of piping. Their strength characteristics directly influence their scope of application and overall performance. A detailed exploration of their strength differences is crucial for making informed material selection decisions in various engineering scenarios.
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Surface treatment methods of carbon steel pipes
Carbon steel pipe is a type of carbon steel pipe with low carbon content. Due to its good strength and toughness, it is widely used in various industries. However, its surface is prone to corrosion and wear, affecting its performance and service life. Therefore, applying appropriate surface treatments to carbon steel pipes is essential. So, what are the common surface treatment methods for carbon steel pipes?
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Annealing conditions for carbon steel seamless pipe
Carbon steel seamless pipes are widely used due to their high strength and stable mechanical properties. They are commonly applied in industries such as petrochemicals, construction, aerospace, and manufacturing. To further enhance their performance and quality, annealing treatment is often required. Annealing is a heat treatment process that involves gradually heating the material to a specific temperature and then cooling it down to alter its crystalline structure and improve its mechanical properties.
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What is the strength of carbon steel seamless pipe?
The strength of seamless steel pipes varies depending on their material composition, manufacturing processes, and application scenarios. Generally, carbon steel seamless pipes exhibit high strength, with yield strengths typically ranging between 235 MPa and 460 MPa, tensile strengths between 370 MPa and 700 MPa, and impact toughness around 40 J/cm². These values are derived from material test reports and industry standards, serving as key indicators for evaluating performance and ensuring the reliability of carbon steel seamless pipes (CS seamless pipes) across various applications.
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