HS2-9-2 Steel

Steel name: HS2-9-2
Diagram No.: 219
DIN designation: HS2-9-2
Mat.No. (Wr.Nr.) designation: ~1.3348
AISI/SAE designation: M7
Chemical composition in weight %: 1.02% C, 0.40% Si, 0.40% Mn, 3.80% Cr, 8.60% Mo, 1.90% V, 1.80% W
Steel group: High speed steels
Properties: Tempering chart: Hardening temperature: 1190°C (2174°F). specimen size: square 20 mm.
Applications: Taps, twist drills, reamers, milling tools, broaches tools, cold extrusion dies.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 1170 to 1210oC/oil, salt bath, vacuum
Tempering: See the diagram

Tempering Diagram


Click the image to enlarge the diagram.

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