API 5L Line Pipe Specification

Product Details:

API 5L steel pipes have been widely used in various fields. However, in the process of using API 5L steel pipe, the problem of weld seam performance has always been a difficult problem for users. Therefore, in order to change the properties of the weld, intermediate-frequency heat treatment technology is required. The intermediate frequency heat treatment technology uses high-frequency electromagnetic induction to generate heat inside the steel pipe, and then quickly transfers the heat to the surface to improve the structure of the weld, thereby changing the performance of the weld and improving the quality of the steel pipe. In order to ensure the quality of the steel pipe, a hydraulic test is required before the pipe is delivered to ensure that the pipe will not leak and other problems. In addition, ultrasonic flaw detection is also an essential step, which can effectively detect any defects inside the pipe and ensure the quality of the steel pipe. Before leaving the factory, the pipe cap and groove need to be sprayed with black paint, which not only improves the appearance of the pipe but also protects the quality of the steel pipe and prevents the pipe from being affected by the external environment.

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