Production processes for Welded Pipes
…method (i.e. first run followed by sealing or backing run) and is generally performed with the inside pass first followed by the outside pass second. This ensures that the two…
Read More…method (i.e. first run followed by sealing or backing run) and is generally performed with the inside pass first followed by the outside pass second. This ensures that the two…
Read More…suitable surface conditions. Cold heading, cold extrusion, or cold rolling quality wire rods – Wire rods used for the processes of cold heading, cold forging, cold extrusion, or cold rolling…
Read Moresteel by immersion in water rust, corrosion product consisting of hydrated iron oxides. Rust – It is the corrosion product consisting of hydrated iron oxides. Rust staining – It is…
Read MoreMetallurgical Processes and Defects in Steel Products Defects in steel products are defined as deviations in appearance, shape, dimension, macro-structure / micro-structure, and/or chemical properties when compared with the specifications…
Read More…to form certain micro-structures. As the steel cools, carbon steel crystalline structures are forced to change from one structure to another and these are called phase transformations. The different structures…
Read More…instructions on how to safely run the appropriate test or diagnostic programmes and instructions for regaining normal operational control. Operating safety section is to include general safety, safety warnings, and…
Read More…instrument diagram P&ID is sometimes called process and instrument diagram. It is more technical, describing mechanical details for piping designers, electrical engineers, instrument engineers, and other technical experts who need…
Read More…after a forceful boss. There is, therefore, nothing more corrupting and more destructive in the organization than a forceful but basically corrupt executive. Such a person may well operate effectively…
Read More…described below can be used for combining upsetting with extrusion operations, as well as for combining forward-backward extrusion and multiple extrusion operations. Backward extrusions need to have a minimum reduction…
Read More…slag into the taphole and the runner, then high strength, high alumina castables are used for the precast runner. The high alumina runner generally has higher life because of improved…
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