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Selection Of Automotive Stamping Die Material


Due to the different functions of various parts in the mold, the requirements for the materials and the principles of selection are also different. Therefore, reasonable selection of mold materials is also an important task in metal stamping die design, which has a great impact on the cost and production quality of the mold.

Generally speaking, automotive stamping die materials need to meet the following conditions:

1. For automobile stamping dies with simple shapes and small sizes, the use of commonly used carbon tool steel materials such as T8A and T10A can meet production requirements.

2. For automobile stamping dies with complex shapes and larger sizes, alloy tool steels or high-speed tool steels, such as Cr12, Cr12MoV, W18Cr4V, W6MoS, Cr4V2, etc., are often used as stamping die materials.

3. Some automobile molds require high stamping accuracy and service life, so cemented carbide or steel-bonded cemented carbide is commonly used as raw materials, such as YG15, YG20, GW50, etc.

4. There are many large stamping automotive parts in automobile stamping dies, which are usually made of ordinary cast iron or cast carbon steel, such as gray cast iron HT250, cast steel 2G270-500, etc., and some molds will also be hardened by surfacing on the cutting edge.


There are many types of automobile stamping dies. In addition to the material selection of the main working dies, we must also pay attention to the materials of guideposts and guide sets. Generally, low-carbon steel or bearing steel of high-quality carbon steel can meet the production and Quenching demand.

In general, automobile stamping dies manufacturing goes through the following processes, that is forging, cutting, and heat treatment. In order to ensure the manufacturing quality of the die and reduce the production cost, the material should have excellent malleability, machinability, hardenability, hardenability, grind ability, and decarburization sensitivity, so the material selection of automobile die is important and strict.

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