The amount of retained austenite is one of the reasons for the low hardness of the stamping die. The amount of retained austenite in the carburized layer is often due to the high carburizing temperature and the high surface carbon concentration, resulting in low hardness of the stamping die. Another ...
The freshly prepared water glass is a true solution. However, during the storage process, the silicic acid in the water glass will undergo condensation polymerization, which will gradually polycondensate from the true solution into a macromolecular silicic acid solution and finally become a silicic ...
Stainless steel is a kind of special steel material. The Cr content in the steel must exceed 12% to ensure its unique corrosion resistance. According to different corrosion resistance and strength requirements, stainless steel is divided into austenite, ferrite, martensite, duplex and precipitation ...
Casting is one of the oldest metal forming methods. Approximately 15% to 20% of auto parts are castings produced by different casting methods. These castings are mainly key components of the power system and important structural components. ...
Casting coating affects the internal and surface quality of castings, especially the lost foam coating is one of the key factors to control and ensure the quality of lost foam casting. As we all know, foundry coatings are composed of five basic components: carrier, refractory filler, suspending agen ...
The limit working load and scope of application of the shackle are the test and detection of the shackle. During the lifting process, the objects to be lifted shall not be collided and impacted. The lifting process should be stable as far as possible. It is strictly forbidden to stand below or conne ...
With the rapid development of China's iron and steel industry, China's annual pig iron production reached 660 million tons in 2012, accounting for nearly 60% of the world's annual production. On the one hand, the supply of mineral resources is increasingly tight, and the prices of raw materials and ...
Incoloy800 is a solid solution reinforced austenite alloy, which has high creep fracture strength, good high temperature mechanical properties and corrosion resistance. It is widely used in nuclear power, petrochemical and other key parts. In order to meet the needs of industrial production, most of ...
Inclusion in steel is one of the main factors affecting the contact fatigue life of bearing steel. The key to control the inclusions in steel is to control the oxygen content and oxides in steel. The main ideas to reduce oxide inclusions in steel are as follows. ...
The high-carbon chromium 100Cr6 bearing steel, which accounts for the largest amount in the market, has a conventional structure of high-carbon twin martensite + carbide + retained austenite when in use. With the development of the bearing industry, the performance requirements for bearing steel hav ...
In recent years, with the rapid development of China's economy, the demand for stainless steel has continued to increase, and the strong demand has driven the rapid expansion of China's stainless steel production capacity. ...
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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.