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Rising for the fifth consecutive week, China Steel Associati
The domestic steel price has risen for five consecutive weeks in Everyone is not optimistic. My steel network announced that the domestic steel price composite index was 155.1 points, up 0.5% from the previous week. However, the China Iron... [See more]
2020
06-24
Performance requirements of die steel
1. Strength performance (1) Hardness Hardness is the main technical index of mold steel. The mold must have a sufficiently high hardness to maintain its shape and size under the action of high stress. Cold work die steel generally keeps its... [See more]
2020
06-24
Basic knowledge of die steel
Die steel is a type of steel used to make molds such as cold dies, hot forging dies, and die casting dies. Moulds are the main processing tools for manufacturing parts in industrial sectors such as machinery manufacturing, radio instruments... [See more]
2020
06-24
Technical and performance requirements of cold work die stee
Technical and performance requirements of cold work die steel ①High hardness The hardness is usually required to be 58~62HRC, the purpose is to ensure that the mold does not undergo plastic deformation or collapse. ②High wear resistance... [See more]
2020
06-24
Explain in detail what is hot work die steel
Hot work die steel refers to alloy tool steel suitable for making a die for thermal deformation of metal, such as hot forging die, hot extrusion die, die casting die, hot heading die, etc. Since hot work molds work under high temperature an... [See more]
2020
06-24
The life of plastic mold steel
1. The content of inclusions increases Inclusions in steel are the origin of cracks inside the tooling tool. In particular, inclusions such as brittle oxides and silicates do not undergo plastic deformation during hot working, causing britt... [See more]
2020
06-24
Analysis of five advanced technologies of heat treatment
1. Heat treatment in controlled atmosphere Controlled atmosphere heat treatment is mainly to prevent oxidation and decarburization, and to achieve precise control of carburization and nitriding. It was applied to industrial production in th... [See more]
2020
06-24
What is the critical temperature of steel? What are the comm
When steel is heated or cooled to a certain temperature, a phase transition occurs. The temperature at which this phase transition begins or ends is called the critical temperature or critical point. Taking the iron-carbon alloy as an examp... [See more]
2020
06-24