E M3:2 Steel

Steel name: E M3:2
Diagram No.: 1869
AFNOR designation: Z120WDCV6.5.4.3
Mat.No. (Wr.Nr.) designation: 1.3344
EN designation: HS 6-5-3
AISI/SAE designation: M3:2
JIS designation: SKH53
SS designation: SS2785
Chemical composition in weight %:
Steel group: High speed tool steels
Applications: Taps & dies, punches, reamers .. bi-metal saws, power hacksaws, hole saws.
Comment: E M3:2 is a highly alloyed high speed steel for good wear resistance and high hardness.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: Hardening in a protective atmosphere with pre-heating in 2 steps at 450-500C and 850-900C and austenitising at a temperature suitable for chosen working hardness.
Tempering: 3 tempers at 560C are recommended with at least 1 hour holding time each time.
Note: No data

Tempering Diagram

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