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1.2312 Plastik Kalıp Çeliği

2312 Steel (Plastic Mold Steel) General Information

2312 steel is one of the most preferred materials among plastic mold steels. 1.2312, the sulfur element in its content provides easy workability to the material. 2312 steel is not suitable for patterning, especially by acid. The hardness range is 290-330 HB. (Approximately 28-32HRc) 1.2379 is a steel suitable for surface hardening by nitration.

Plastic Mold Steels Performance Chart

  • Wear Resistance 40% 40%
  • Toughness 40% 40%
  • Polishability 40% 40%
  • Machinability 100% 100%
  • Hardenability 20% 20%

The information given above is only for comparison with OTHER PLASTIC MOLD STEELS. For detailed technical information and information about material selection, please contact our technical team.

2312 Steel (Plastic Mold Steel) Chemical Composition

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% Carbon
1.2312 (40CrMnMoS 8-6)
0.35-0.45
% Manganese
1.2312 (40CrMnMoS 8-6)
1.3-1.6
% Chromium
1.2312 (40CrMnMoS 8-6)
1.8-2.0
% Molybdenum
1.2312 (40CrMnMoS 8-6)
0.15-0.25
% Sulfur
1.2312 (40CrMnMoS 8-6)
0.05-0.1

Other information;

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1.2312 at Önerler

  • Optimum microstructure,

  • Maximum performance,
  • Reliable manufacturer,
  • High toughness,
  • High polishability,
  • High machinability,
  • High homogeneity,
  • Even distribution of hardness in all areas.

Stock Information

  • From 1010x20mm to 1010x500mm as plates and blocks,

Stock is kept continuously. For detailed stock measurements, please view our general stock list from the link below.

Click here to view our Önerler Çelik general stock list.

 We continuously diversify and strengthen our stocks in order to offer more suitable size options to our customers. 

Where is 2312 Steel (Plastic Mold Steel) Used?

  • As a core in plastic mold applications where gloss and surface quality are not sensitive,

  • As a mold holder in plastic and metal injection mold systems 

2312 steel is commonly used.