Author: Tina Zhong

Eight main steel pipe rolling process Following the invention of periodic tube rolling technology, a variety of pipe rolling processes have emerged worldwide. These include Ehrhardt tube rolling, automatic tube rolling, Diescher tube rolling, three-roll tube rolling, hot extrusion tube production, continuous tube rolling, cold drawing (rolling) tube, and hot…

The globally popular Chinese animated film “Nezha” has attracted widespread attention. In the ancient Chinese mythological stories, deities wield various magical weapons; Nezha himself is known for his four great treasures: the Fire-tipped Spear, the Universe Ring, the Cosmic Wheels, and the Scarlet Sash. Modern technology have made these mythical…

Steel structural parts workshop needs a variety of equipment or lathes to complete the cutting, molding, welding and surface treatment of various shapes of steel structural parts such as motor vehicle chassis, cabinets, power transmission tower parts, and road light poles. Generally, there are nine types of devices to perform…

Deoxidation process of molten steel in EAF furnace Due to the oxygen blowing process in EAF furnace, a large number of alloys are also oxidized, such as Cr2O3, MnO, FeO, and a large amount of free oxygen remains in the steel. EAF furnace deoxidation method includes precipitation deoxidation and diffusion…

Deoxidation of molten steel is the last key process operation before casting, which is directly related to the metallurgical quality of cast steel. Deoxidation is also the basis of nitride enhancement and nodular modification of cast steel. Deoxidizer selection should follow the following principles: Compared with Fe, deoxidizer elements have…

There are six methods commonly used in the production of section steel. 1. Ordinary rolling method This method is carried out with a general two or three high mill. The pass is composed of two rolling grooves, which can produce ordinary simple, irregular and longitudinal rolling periodic section steel. This…