Do you know what are the plastic mold steel?


Author: MULAN -Plastic Molding Manufacturer

Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to injecting the heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and after cooling and solidifying, a molded product is obtained.

What are the advantages of plastic products formed by injection molding? Plastic mold steel is mainly represented by P, which is divided into five categories: carburizing plastic mold steel, core quenched and tempered plastic mold, medium carbon alloy tool steel, stainless steel, and aging steel. 1. Carburized plastic mold steel: P1, P2, P3, P4, P5, P6.

This type of steel has very low carbon content, mainly in the early days of the United States and the extrusion molding method, which requires good cold plasticity and high extrusion performance. After forming, the surface is carburized and quenched to improve the surface hardness and long service life. 2. Core quenched and tempered plastic mold: P20, P21. At present, P20 is used in a large amount in plastic molds and has become the main body, most of which are used in the pre-hardened state.

3. Medium carbon alloy tool steel is used for thermosetting plastic molds. The steel grade is H13, while L2 and S7, O1 and A2 are also used. 4. Stainless steel is used for plastic molds with high corrosion resistance requirements. The main steel grades are 420, 414L, 440, 416.

5. Aging steel obtains high performance after aging treatment.

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