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Otai Special Steel Co Ltd
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  5. Otai - Model DIN 1.2738 - Plastic Mold ...

Otai - Model DIN 1.2738 -Plastic Mold Tool Steel

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DIN 1.2738 steel is one kind of plastic mold steel, equivalent to AISI P20+Ni tool steel. While Nickel, chromium and molybdenium are the alloying elements for hardness and toughness.  1.2738 tool steel is specially designed for plastic mold industry, especially for big steel mold parts.

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  • DIN 1.2738 tool steel is usually supplied as pre-hardened/quenched and tempered 280 – 320 HB hardness condition
  • With good machinability, DIN 1.2738 steels is with better polishability compared to 1.2312 (AISI P20+S).
  • Material 1.2738 can be through nitrogenation and flame hardening treatment in order to increase the hardness and wearability of mould surface.
  • The steel 1.2738 is melted in an electrical furnace and refined with VOD or DH device.

Supply Range of 1.2738 steels

  • Round Bar: diameter 20mm – 1000mm
  • Steel Plate and Steel Block: thickness 12-500mm x width 200-2000mm
  • Surface Finish: Black Surface, Roughly Machined, Peeled & Turned or as per given requirements.