2024-01-18 The main technical points of spiral steel pipe:
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2024-01-18 Submerged arc automatic welding is a new welding method invented in 1940. The same thing as the previous manual welding is that it still uses slag protection, but this slag is not the coating of the welding rod, but a specially smelted flux. This flux system consists of a funnel that carries the flu
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2024-01-17 Preparation of carbon steel pipes before storage:
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2024-01-17 If metal materials such as steel are exposed to the atmosphere for a long time, they will inevitably corrode and form loose rust, causing serious losses to modern industry.At present, pipelines play an important role in various industries, so the surface treatment of steel pipes is also a factor tha
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2024-01-16 Hot-rolled steel is produced using mainly billets as raw material. The billets are heated in a roughing mill and finishing mill group made of steel. The steel strip coils are then produced by laminar cooling the steel to the set temperature and rolling it through the hot strip mill. The steel is the
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2024-01-16 The high-frequency welding process of straight seam steel pipes is completed in high-frequency welded pipe units. High-frequency welded pipe units usually consist of roll forming, high-frequency welding, extrusion, cooling, sizing, flying saw cutting, and other components. The front end of the unit
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2024-01-15 A detailed explanation of the welding process of large-diameter straight seam steel pipes: Double-wire automatic welding of straight seam steel pipes is a welding technology developed in recent years. In addition to the characteristics of semi-automatic single-wire welding, it also has welding chara
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2024-01-12 Straight seam steel pipe is a steel pipe in which the weld seam is parallel to the longitudinal direction of the steel pipe. Usually divided into metric electric welded steel pipes, electric welded thin-walled pipes, transformer cooling oil pipes, etc. The production process of straight seam welded
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