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SSAW welded pipe welding types
SSAW welded pipes are known for their strength, flexibility, and cost-effectiveness. The welding process is crucial in ensuring the durability and integrity of these pipes. There are several types of weld seams used in the production of spiral welded steel pipes.
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Standard for SSAW steel pipe
SSAW (Spiral Submerged Arc Welding) steel pipes are widely used in various industries due to their flexibility and cost-effectiveness in handling large diameters. These pipes are manufactured by spirally welding strips of steel, resulting in a pipe with a spiral seam.
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ERW steel pipe standard
Electric resistance welded (ERW) steel pipes must adhere to various industry standards to ensure quality and suitability for different applications. The primary standards for ERW steel pipes include:
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Bundling requirements and forms of seamless steel pipe
Ensuring the proper bundling of seamless steel pipes is crucial for maintaining their quality during transportation and handling. The following outlines the specific requirements and forms for bundling seamless steel pipes to ensure they meet industry standards and user needs.
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Ultrasonic flaw detection standard of LSAW steel pipe
In the domain of non-destructive testing for LSAW (Longitudinally Submerged Arc Welded) steel pipes, a variety of techniques are employed to ensure the quality and integrity of the welds. These include ultrasonic testing, radiographic testing, and visual inspection methods. The selection of the testing approach is tailored to the specific characteristics of the weld seam, such as its thickness and width.
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Future trends of SSAW steel pipe
In modern industry, SSAW steel pipes have gained significant attention due to their unique manufacturing processes and diverse application scenarios. As a crucial metal product, spiral welded steel pipes exhibit excellent strength and toughness, playing a central role in various engineering projects. This article explores the future development directions of spiral steel pipes, providing readers with a comprehensive understanding.
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Cooling process of Large diameter LSAW welded pipe
The cooling process of large-diameter LSAW (Longitudinal Submerged Arc Welding) welded pipes involves several factors that influence the magnitude of tissue stress. These factors include the cooling rate, shape, and chemical composition of the workpiece, particularly in the martensitic transformation zone.
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Comparison of single-sided and double-sided welding of SSAW steel pipe
The production process of SSAW (Spiral Submerged Arc Welding) steel pipes influences the quality of welds in single-side and double-side welding through various factors, including welding current, welding speed, number of welding layers, electrode type, and electrode diameter. Here’s a detailed look at these factors.
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Quality inspection process of ERW steel pipe
The quality inspection process of ERW steel pipes involves several stages, including online non-destructive testing, metallographic examination, flattening and flaring destructive tests, and hydraulic tests. The detailed steps are as follows.
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How to avoid the wear of SSAW steel pipe during transportation?
Damage to spiral steel pipes during loading and unloading is inevitable, but certain measures can minimize it and ensure the integrity of the pipes. Here are the recommended steps.
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