HS6-5-2 Steel

Steel name: HS6-5-2
Diagram No.: 225
DIN designation: HS6-5-2
Mat.No. (Wr.Nr.) designation: ~1.3339
AISI/SAE designation: M2 reg. C
Chemical composition in weight %: 0.85% C, 0.35% Si, 0.25% Mn, 4.10% Cr, 5.00% Mo, 1.90% V, 6.40% W
Steel group: High speed steels
Applications: Taps, twist drills, reamers, broaching tools, metal saws, milling tools of all types, wood working tools, cold work tools.
Tempering chart: Hardening temparature: 1220°C (2228°F). specimen size: square 20 mm.
Reference: Website Bohler Edelstahl, Austria, 2008.

Heat Treatment
Hardening: 1190 to 1230oC/oil, salt bath, vacuum
Tempering: See the diagram

Tempering Diagram


Click the image to enlarge the diagram.

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