Carburizing and quenching is actually a composite process, namely carburizing + quenching. We are often used to talk about the two together, because the two processes that are completed on the same equipment are the most commonly encountered in production (but there are also carburizing air cooling, ...
The formation process of graphite in cast iron is called graphitization process. The basic process of the structure of cast iron is the formation process of graphite in cast iron. Therefore, it is very important to understand the conditions and influencing factors of the graphitization process to ma ...
The 690 alloy tube used for the steam generator heat transfer tube of nuclear power plant bears the corrosion of high temperature, high pressure and water medium, alloy grain size, intergranular Cr depletion, intergranular carbide and its force on stress concentration ...
Duplex stainless steel has the same proportion of ferrite and austenite, and has excellent mechanical properties and corrosion resistance. It is widely used in petrochemical, transportation, marine engineering and other fields. ...
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 steel, with good comprehensive mechanical properties, low hardenability, and easy to crack during water quenching. S ...
In this type of enterprise, the employees are tired, and the boss is even more tired. They are all working hard for the future of the company, and they have also thought of many new methods, but the results have been minimal. Due to its "top-down" management model, traditional enterprises will inevi ...
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 the biggest effect is a waste of time. And time is also the most important cost of an enterprise. Regarding the super-large enterprises and state-ow ...
Due to changes in production conditions and the environment, other parameters of the casting will inevitably change. If the molding sand process cannot be adjusted in time, the sand system will be unstable, which will eventually lead to more difficult cleaning of the casting or even scrap; ...
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 methods of nodular graphite and flake graphite. ...
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 highest efficiency ...
The normal blast furnace operation type is characterized by smooth inner wall surface and stable slag skin. However, in actual blast furnace production, due to the influence of changes in the slagging system, charging system, air supply system, thermal system, and external raw materials, the blast f ...
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The thread cutting process depends on the structure of the machined parts and the CNC machine tool u
Oval gears are widely used in automatic machinery and instrument industries, and are a type of non-c
The cylinder telescopic sheath is a protective component that is installed on the oil cylinder, cyli
The manufacturing cycle is long. Operators are prone to fatigue. Once a failure occurs, it often tak
The Wu Steel Works has two workshops, one steelmaking workshop and the second steelmaking workshop.