How to select the tool steel for mould-making

General requirements for tool steels

The hardness and wear resistance as well as the toughness are two of the most important criteria when selecting the appropriate tool steel. Because these characteristics usually counteract each other, when choosing compromises often need to be made. This is usually done through working hardness or by a specific surface treatment. The selection of the tool steel as well as its working hardness depends mainly on the thickness and strength of the material to be cut. The greater the thickness and strength of the strip material, the higher the loads on the active parts of the die. In the following, you will find an overview of the different types of tool steel provided by Shanghai Histar Metal

Cold work tool steel

The material grade 1.2379 is considered the classic steel in die making. This material is also used as a whole cutting die plate, as it has very good dimensional stability after hardening. Generally, it is used for medium strength (up to approx. 400 N/mm²) strip material. The working hardness is approximately 60-62 HRC.

High-speed steel

The high-speed steel 1.3343 (HSS) is used as a standard material for dies and cutting elements. Compared to the material 1.2379 it has a higher wear resistance and hardness. It is used for medium strength (up to approx. 500 N/mm²) strip material and especially for thick sheets. The working hardness is approximately 63-65 HRC.

Shanghai Histar Metal Co., Ltd

Post time: Jan-18-2021