H-13 Steel

Steel name: H-13
Diagram No.: 1769
Mat.No. (Wr.Nr.) designation: 1.2344
SS designation: SKD61
BS designation: BH 13
AISI/SAE designation: H13
JIS designation: SKD61
Chemical composition in weight %: 0.32-0.45% C, 0.80-1.25% Si, 0.20-0.60% Mn, 4.75-5.50% Cr, 1.10-1.75% Mo, 0.80-1.20% V
Steel group: Hot work tool steels
Applications: Die casting, dies dummy blocks, extrusion dies - hot, forging dies, heading dies - hot, heavy shear blades, inserts, mandrels, piercing tools - hot, plastic mold dies, punches - hot, swaging dies - hot
Comment: No data
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 1830-1900 F/to minimize distortion, air cool. For maximum hardness diameters greater than 6 should be quenched in oil. Soak time is 30 minutes per inch of thickness. Minimum of 1 hour. Allow to cool to 125-150 F before tempering.
Tempering: Complete equalization of temperature throughout the tools is essential for good results. Double temper. Recommended temperature is 1000-1200 F.

Tempering Diagram

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