Serious defects of seamless steel pipes: cracks, internal folds, external folds, rolling, delamination, scarring, concave, convex hulls, etc.
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Non-destructive testing is a method of non-destructive inspection of materials, workpieces or components, and its main purpose is to find discontinuous
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Infolding is the main quality defect in the production of hot rolled seamless steel pipe, which is produced in the perforation process and cannot be eliminated.
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Passivation is the last process step and the key step in chemical cleaning of steamless steel pipe.
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Nominal size of seamless steel pipe is the nominal size specified in the standard, is the ideal size desired by users and production enterprises, and is also the order size indicated in the contract.
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Pipes are mostly used in the construction and manufacturing industries.
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Hydraulic pipe installation is a major project of hydraulic equipment installation.
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Stainless steel welded pipe has excellent corrosion resistance and mechanical properties, widely used in different industrial projects.
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The harm of metal corrosion is very common, but also very serious. Corrosion can cause significant direct or indirect losses, cause catastrophic accidents, and endanger human safety.
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A low temperature steel pipe is a type of pipe that is designed to operate at low temperatures.
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Flange is a type of piping component that is used to connect pipes or other equipment components in various industries.
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The production process is mainly divided into forging, casting, cutting and rolling.
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