1.2343 Steel

1.2343 Steel

Steel name: 1.2343
Diagram No.: 2783
Mat.No. (Wr.Nr.) designation: ~1.2343
AISI/SAE designation: H11 mod.
Chemical composition in weight %: 0.36% C, 0.20% Si, 0.30% Mn, 5.00% Cr, 1.35% Mo, 0.45% V
Steel group: Hot work tool steels
Properties: No data
Applications: This steel is primarily designed for die casting of light metals and alloys. It is often used for highly stressed hot-work structural parts where superior toughness is required (up to average Charpy V-notch value of 29.8 Joule at 44-46 HRC according to NADCA#207).
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 980 - 1000 °C. Fast cooling is recommended in pressurized N2. For large dimension hot-work tooling see NADCA#207 or GM DC-9999-1Rev.18 specification.
Tempering: 520 - 530 °C, cool in air or in the furnace to room temperature between tempering cycles.
Diagram note: No data

Tempering Diagram

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