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What are the most important and decisive factors when choosing die steel

by:Vowin Rapid Prototyping     2023-02-06
Molding method can be selected from two basic material types

① Hot working tool steel, which can withstand relatively high temperatures during die casting, forging and extrusion.

②Cold working tool steel, which is used for blanking and shearing, cold forming, cold extrusion, cold forging and powder pressure forming.

Plastics: Some plastics can produce corrosive by-products, such as PVC plastics. Factors such as condensation caused by prolonged shutdowns, corrosive gases, acids, cooling/heating, water or storage conditions can also cause corrosion. In these cases, it is recommended to use Die steel of stainless steel material. Mold size: Pre-hardened steel is often used for large-sized molds, and integrally hardened steel is often used for small-sized molds.

Mold use times: long-term use (>1,000,000 times) molds should use high-hardness steel with a hardness of 48-65HRC; molds for medium and long-term use (100,000-1,000,000 times) should use pre-hardened steel with a hardness of 30-45HRC.
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