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718h Mould Steel - Special Steel China Supplier

Product Description

Product Description

718H steel is a pre hardened mirror acid resistant plastic mould steel. This steel has undergone pre hardening treatment, resulting in uniform material, high cleanliness, and excellent polishing performance and photolithography. It also has high hardenability, good electrical processing performance, and leather grain processing performance. Pre hardened steel can also be used in the mold chamber without quenching, and the flange can be flame hardened, which can increase the hardness to 52HRC.
718H Mould Steel - Special Steel China Supplier

Mold steel is a type of steel used to manufacture molds such as cold stamping dies, hot forging dies, and die-casting dies. Mold is the main processing tool for manufacturing parts in industrial sectors such as mechanical manufacturing, radio instruments, motors, and electrical appliances. The quality of molds directly affects the quality of pressure processing technology, product accuracy and production costs. In addition to reasonable structural design and processing accuracy, the quality and service life of molds are mainly influenced by mold materials and heat treatment.

Main uses of 718H mold steel
Large and long-life plastic injection molds, such as molds for household appliances, computer casings, etc; High surface finish plastic product molds; Blow molding; Due to its high hardness, it can be used as a slider in plastic molds; Forming tools, compression brake molds (bay plate machine molds), (flame hardening or nitriding treatment can be applied according to production needs); Construct parts and shafts.

Plastic mold steel
Due to the wide variety of plastics, there are also significant differences in the requirements for plastic products, and various performance requirements are also put forward for the materials used to manufacture plastic molds. So, many industrialized countries have formed a wide range of steel series for plastic molds. This includes carbon structural steel, carburized plastic mold steel, pre hardened plastic mold steel, age hardening plastic mold steel, corrosion-resistant plastic mold steel, easy cutting plastic mold steel, integrally quenched plastic mold steel, martensitic aging steel, and plastic mold steel for mirror polishing.
Chemical composition

We sell the following grades of mold steel:

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