2023-11-28 The materials of carbon steel pipe and stainless steel pipe are different, and the two cannot be stacked together. At room temperature, when the carbon steel pipe is in contact with the stainless steel pipe, carburization will not occur immediately. The spotted rust on the stainless steel pipe will
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2023-11-27 Seamless pipe (SMLS) is a commonly used material in industrial production. Its straightness is a crucial quality indicator. Seamless steel pipes should have a certain degree of straightness to avoid adverse effects on their use. The country has formulated standards for the straightness of seamless s
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2023-11-27 1. Welding processIn terms of the welding process, the welding methods of spiral steel pipes and straight seam welded pipes are the same, but straight seam welded pipes will inevitably have many T-shaped welds, so the probability of welding defects is greatly increased, and the welding residual stre
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2023-11-24 Oil casing is a crucial component in the petroleum industry, facilitating the smooth extraction and storage of oil. Oil casing is a crucial component in the petroleum industry, facilitating the smooth extraction and storage of oil. Oil casing is a crucial component in the petroleum industry, facilit
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2023-11-24 (1) Pseudo-strain energy mutations mainly occur when the drill bit enters the soft soil layer and when the roller cone bit passes through the abrupt formation interface. The higher the forming hardness, the greater the pseudo strain energy when the spiral seam submerged arc welded steel pipe enters
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2023-11-23 Definition of welded pipe:Welded pipe, also known as welded steel pipe, is a steel product made by bending a steel plate into a tubular shape, welding it, and undergoing some form of surface treatment. Welded pipes have the characteristics of high strength, corrosion resistance, and long life, and are widely used in construction, automobiles, furniture and other fields. The following will introduce the commonly used materials of welded pipes.
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2023-11-23 1. Broken pipe: According to the site surveying and mapping sketch, draw a line on the selected pipe and break the pipe according to the line. a. Saw the pipe with a grinding wheel, put the pipe on the caliper of the grinding wheel saw, align the drawn line and clamp it firmly to break the pipe. Whe
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2023-11-22 Surface treatment methods of seamless tubes & pipes:
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