Stacking of plastic mold steel plates

Plastic Mould Steel

Suitable for various plastic moulds; excellent machinability and polishability.

Product Overview

Plastic mould steel is suitable for a wide range of plastic moulds, offering excellent machinability, polishability and dimensional stability. Select the appropriate grade and pre-hardened condition based on mould dimensions, production volume and surface finish requirements.

Typical Use Cases

  • Injection Mould
  • Extrusion Die
  • Rubber Mould
Polished plastic mold steel modules
On-site photo of HavingTech products

Steel Grade Comparison

Common equivalent grades reference for material selection communication across different standards.

Plastic Mould Steel — Steel Grade Cross-Reference Table
ENAISIDINJISGBAPPLICATION
40CrMnMo7P201.2311-3Cr2MoFor pre-hardened plastic injection moulds with excellent polishability
40CrMnMoS8-6P20S1.2312-4Cr2MnMoFor pre-hardened plastic injection moulds with good polishability and corrosion resistance
40CrMnNiMo8-6-4P20Ni1.2738-4Cr2NiMnMoFor large pre-hardened plastic injection moulds with excellent polishability
X38CrMo16-1.2316-3Cr17MoFor plastic moulds requiring high corrosion resistance
X42Cr134201.2083-4Cr13For mirror-polished moulds and plastic moulds

Grade equivalencies are for general reference only; actual supply standards apply. A "-" in the table indicates no corresponding grade is currently available.