Generally, clean steel refers to a steel grade that has a low content of five major impurity elements (S, P, H, O, N) in

As a measure to reduce the friction between automobile engine parts, it can be roughly divided into the following three types. One is to reduce

Oxidized pellets have good mechanical strength and metallurgical properties, and have become an indispensable high-quality charge for blast furnace ironmaking. However, the lack of domestic

As we all know, the hydrogen in the material will be trapped at various trap positions (dislocations, grain boundaries, precipitates and inclusions, etc.). The heating

It is necessary for a professional foundry person to know this scrap knowledge!  Scrap steel is a general term for ferrous metal scrap in scrap

One table to understand the heat treatment of steel products: Name Heat treatment process Purpose of heat treatment 1. Annealing Heat the steel to a