FAQ
What steels are used for making the injection mold?
The commonly used steel types for injection molding molds are diverse, with each type having its specific applications and advantages. Here are some of the common steel grades used for injection molding molds and their characteristics:
Carbon Mold Steels: Primarily consisting of medium-carbon structural steels such as S45C, S48C, S50C, and S55C.
Pre-hardened Mold Steels: These primarily utilize medium-carbon alloy steels with high hardenability, such as P20, 718, 2311, and 2738.
Corrosion-resistant Mold Steels: For example, WSM136B5, which is primarily used for mold manufacturing in corrosive environments.
Free-cutting Mold Steels: Such as 2312B, which facilitates machining and improves production efficiency.
Electroslag Mold Steels: Including grades like 20R and 718R, which can achieve a mirror-like finish and possess strong corrosion resistance.
Stainless Steel Mold Steels: Like S136 and S136H, these steels offer high hardness, wear resistance, and corrosion resistance, making them suitable for producing high-precision and high-quality plastic products.
NAK80 Steel: This is a high-hardness and high-toughness mold steel with excellent wear resistance and corrosion resistance. It is particularly suitable for manufacturing molds that require high precision and long service life.
Our engineer will suggest the suitable steel that has the optimal properties for your project.
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