Zhuna

   Duplex stainless steel has the same proportion of ferrite and austenite, and has excellent mechanical properties and corrosion resistance. It is widely used in...

 1. 45-high-quality carbon structural steel, the most commonly used medium-carbon quenched and tempered steel Main features: The most commonly used medium carbon quenched and tempered...

     In this type of enterprise, the employees are tired, and the boss is even more tired. They are all working hard for the...

 Any corporate meeting should look like a lady's skirt, the shorter the better. In fact, many corporate meetings are like shrouds, long and useless, and...

I. Introduction      Due to changes in production conditions and the environment, other parameters of the casting will inevitably change. If the molding sand...

1 The solidification characteristics of ductile iron The different solidification methods of nodular cast iron and gray cast iron are caused by the different growth...

TP-01 Build a system to prevent all disasters, failures, defects, and waste TP-02 Eliminate all losses and wastes of equipment, so that the equipment reaches...

     The normal blast furnace operation type is characterized by smooth inner wall surface and stable slag skin. However, in actual blast furnace production,...

       In recent years, the acceleration of the globalization of the world economy has provided opportunities for the development of my country's foundry...