High-hardness high-hardenability pre-hardening plastic mould steel and preparation method thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CENT IRON & STEEL RES INST
- Publication Date
- 2018-05-01
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of tool and die steel, and in particular relates to a high-hardness and high-hardenability pre-hardened plastic mold steel and a preparation method thereof. The pre-hardened plastic mold steel has high hardness, high hardenability and excellent comprehensive performance. It is suitable for all kinds of large and extra large plastic mold steels with high polishing performance. Background technique
[0002] Plastic products are now widely used as substitutes for metal products, and the amount of high-strength engineering plastics, ultra-high-strength engineering plastics, and resins added with a large amount of GF is increasing. With the widespread use of plastic products in industries such as automobiles and home appliances, the size requirements for mold steel used in the manufacture of plastic product molding molds are increasing. At present, the large-scale plastic mold steel widely used in the market is ...