We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Plastic mould steel.
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Plastic mould steel Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Oct 01, 2025～Oct 28, 2025
This ranking is based on the number of page views on our site.

Plastic mould steel Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Oct 01, 2025～Oct 28, 2025
This ranking is based on the number of page views on our site.

  1. 日本金型材 Saitama//Trading company/Wholesale
  2. ニーズワン South Korea//Manufacturing and processing contract
  3. 不二越　マテリアル事業部 Toyama//Ferrous/Non-ferrous metals
  4. 4 タカギスチール 本社 Aichi//Trading company/Wholesale
  5. 4 竹内ハガネ商行 本社 Tokyo//Trading company/Wholesale
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Plastic mould steel Product ranking

Last Updated： Aggregation Period:Oct 01, 2025～Oct 28, 2025
This ranking is based on the number of page views on our site.

  1. Plastic mold steel "PD613" 日本金型材
  2. Plastic mold steel 'KTSM31' 日本金型材
  3. General plastic mold steel 'TP1/TP4/TP4M' ニーズワン
  4. 4 Plastic mold steel "NAK86K" 日本金型材
  5. 5 Plastic mold steel "TP4MS" 日本金型材

Plastic mould steel Product List

16～24 item / All 24 items

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Precision Plastic Mold Steel "SMAT V"

Precision Plastic Mold Steel "SMAT V"

Premium products for lens molding with excellent corrosion resistance and wear resistance! 【Achieving cost reduction】

"SMAT V" is a modified steel type and material made from the corrosion-resistant STS420J2 steel, featuring excellent wear resistance, corrosion resistance, and mirror finish. It is the highest quality precision plastic mold steel that allows for resin molding with a high content of thermosetting resin and glass fibers. It has excellent nickel plating and release properties, making it suitable for aspheric lens molds. Please consider it for achieving cost reduction. 【Specifications (partial)】 ■ Hardness: HRC 50–55 ■ Mirror finish: #14,000 ■ Equipment: OGOSHI Type ■ Material: WC ■ Diameter: 30mm *For more details, please download the PDF or feel free to contact us.

  • Special Steel

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Durable, mirror-finish plastic mold steel "PROVA-450"

Durable, mirror-finish plastic mold steel "PROVA-450"

Excellent machinability with minimal wear on the cutting tool edges.

The PROVA series of corrosion-resistant, mirror-finish plastic mold steel is a high-quality special stainless steel optimized for plastic molding molds, achieved through new alloy design and special melting technology. It excels in corrosion resistance, wear resistance, and mirror finish, making it ideal for light guide plate molding molds and aspheric lens molding molds. 【Features】 - Excellent machinability with minimal wear on cutting tool edges → Reduces tool costs and contributes to automation - Good surface roughness after machining, which shortens subsequent mirror finishing time → Overall, contributes to lead time reduction and cost savings For more details, please contact us or download the catalog.

  • Special Steel

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[Material] Plastic mold steel (PM-MAGIC, HPMl, etc.)

[Material] Plastic mold steel (PM-MAGIC, HPMl, etc.)

Handling steel materials suitable for plastic molds, such as PM-MAGIC, HPM-PRO, and HPMl! Any shape is acceptable, including round bars, flat steel, and wire rods!

"Plastic mold steel" refers to materials suitable for plastic molds, such as PM-MAGIC, HPM-PRO, HPMl, HPM7, HPM38, HPM75, HPM77, and CENAl. We handle various shapes including round bars, flat steel, wire, sections, steel plates, pipes, shaped drawn products, and surface ground plates. 【Main Materials】 ■PM-MAGIC ■HPM-PRO ■HPMl ■HPM7 ■HPM38 ■HPM75 ■HPM77 ■CENAl and others *For more details, please check the company brochure available for download, which outlines our products.

  • Ceramics

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Precision plastic mold steel 'SMAT G'

Precision plastic mold steel 'SMAT G'

High-gloss, high-precision steel with high thermal conductivity that improves productivity! 【Achieving cost reduction】

"SMAT G" is a precision plastic mold steel (material) that can be used with various hardness levels in Q/T heat-treated steel, and it has excellent thermal conductivity compared to existing materials, which is expected to shorten injection molding cycles and improve productivity. The hardness ranges from HRC 46 to 52, and the mirror finish is #14,000. It is suitable for molds that require high mirror finish and wear resistance, such as those used for resins containing high amounts of glass fibers or thermosetting resin molding molds. Please consider it for achieving cost reduction. 【Specifications (partial)】 ■ Impact toughness (J/cm²): 110 ■ Tensile properties (MPa, %) ・Y.S: 325 ・T.S: 640 ・El.: 31 ・R.A: 70 *For more details, please download the PDF or feel free to contact us.

  • Special Steel

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General plastic mold steel "TP4M HH"

General plastic mold steel "TP4M HH"

The highest level of selection for mirror finish and texture processing! 【Achieving cost reduction】

"TP4M HH" is a high-hardness mold material that adjusts the hardening elements of the SNCM series alloy mold steel TP4M to ensure a hardness level of HRC 35-38. Please consider it as a steel material suitable for high-gloss, high-mirror finish molds and those applicable for textured processing. It is suitable for high-gloss precision molds for automotive interior and exterior materials, TV rear covers, Cr/Al plating, refrigerators, transparent containers, washing machines, air conditioners, rice cookers, vacuum cleaners, etc., and is a mold that applies uniform corrosion to large cross-sections like Hairline corrosion. We encourage you to consider it for achieving cost reduction. 【Specifications (partial)】 ■ Impact toughness (J/cm²): 30 ■ Tensile properties (MPa, %) ・Y.S: 1030 ・T.S: 1190 ・El.: 16 ・R.A: 51 *For more details, please download the PDF or feel free to contact us.

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General plastic mold steel 'TP1/TP4/TP4M'

General plastic mold steel 'TP1/TP4/TP4M'

A new standard for general-purpose mold steel born from high technical capabilities! Steel materials that ensure uniform characteristics through concentrated steelmaking and refining technologies [achieving cost reduction].

"TP1/TP4/TP4M" is a common steel type used in over 90% of the plastic mold steel market. It is used as a mold for injection molding glossy and corrosion pattern products in various fields, including mold bases, general-purpose molds, automotive, home appliances, and office automation equipment. With a quality-centered chemical composition design and manufacturing process, segregation defects are significantly low, resulting in minimal quality risk when used for corrosion molds. Please consider this for achieving cost reduction. 【Hardness】 ■TP1: HB 215 ■TP4: HRC 32 ■TP4M: HRC 35 *For more details, please download the PDF or feel free to contact us.

  • Special Steel

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Presentation of the plastic mold steel "TP" catalog.

Presentation of the plastic mold steel "TP" catalog.

Contributes to improving the productivity of resin molding. Also provides steel materials suitable for cutting, mirror finishing, and textured processing.

"TP" is a plastic mold steel produced by SeAH Corporation, utilizing excellent alloy design, high-definition purification refining technology, and forging heat treatment methods. Starting with "TP1," which ensures uniform physical properties, the lineup includes "TP4/TP4M," used for molding home appliances, automotive parts, and interior materials, "TP4MS," which excels in machinability, and "TP4M HH," known for its mirror finish and texture processing capabilities. It meets the needs for low-cost solutions while contributing to the improvement of quality and efficiency in resin molding. 【Lineup】 ■ Carbon steel-based mold steel "TP1" ■ Cr-Mo-based mold steel "TP4" ■ Ni-Cr-Mo-based mold steel "TP4M" ■ S-added free-cutting mold steel "TP4MS" ■ Mold steel compatible with mirror finish and texture processing "TP4M HH" *For more details, please refer to the materials available for download in PDF format. Feel free to contact us with any inquiries.

  • Other molds

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Precision Plastic Mold Steel "SMAT E"

Precision Plastic Mold Steel "SMAT E"

Steel with excellent properties such as machinability and weldability, with a hardness of HRC40! 【Achieving cost reduction】

"SMAT E" is a precision plastic mold steel developed to solve not only the issues of mirror finish and machinability of conventional HRC 40 grade imported materials but also the problems of material supply and pricing. It has excellent machinability, electrical discharge machinability, and nitriding characteristics. Additionally, it facilitates easy mold production, offers superior mirror finish, and ensures high quality of injection molded products. Please consider it for achieving cost reduction. 【Specifications (partial)】 ■ Impact toughness (J/cm²): 20 ■ Tensile properties (MPa, %) - Y.S: 1050 - T.S: 1220 - El.: 14 - R.A: 45 *For more details, please download the PDF or feel free to contact us.

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General plastic mold steel "TP4MS"

General plastic mold steel "TP4MS"

High-efficiency steel that maximizes workability and enables reduction of mold manufacturing time and costs! 【Achieving cost reduction】

"TP4MS" is a pre-hardened mold steel with a hardness level of HRC 28 to 31, designed to significantly improve the machinability of the conventional SNCM-based alloy mold steel TP4M by forming MnS non-metallic inclusions, thereby reducing mold manufacturing costs and shortening production lead times. It features a uniform tempered martensite structure and a distribution of MnS non-metallic inclusions, making its machinability far superior compared to "TP4M." Please consider it for achieving cost reductions. 【Specifications (partial)】 ■ Impact toughness (J/cm²): 20 ■ Tensile properties (MPa, %) - Y.S: 930 - T.S: 1050 - El.: 15 - R.A: 37 *For more details, please download the PDF or feel free to contact us.

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