1.2312 Tool Steel | P20+S

As one of the representative steel types of plastic mold steel, 1. steel is developed on the basis of 1. steel. 1. steel uses Cr-Mn-Mo as a strengthening alloy element, and adds a higher content of sulfur element (0.05-0.1% ),which offers better machineability,30% increase in milling speed and 300% increase in drilling speed can be expected.

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1. steel has excellent cutting performance, good toughness and wear resistance, stable size and uniform hardness after processing.DIN 1. is generally supplied in pre-hardened condition,with a hardness of 280-320HB.

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DIN 1. steel is a high quality plastic mold steel material. Steel 1. is material produced by add about 0.08% sulphur on material 1.. The S element improves free cutting ability of 1. steel. DIN material is usually delivered in pre-hardness condition and hardness 28~34HRC.

ASTM P20+S steel is equivalent to DIN 1. material. Generally, 40CrMnMoS8-6/1. and P20+S mold steel will have the same properties for final application.