E M4 Steel

Steel name: E M4
Diagram No.: 1749
Mat.No. (Wr.Nr.) designation: 1.3395
EN designation: HS 6-5-4
AISI/SAE designation: AISI M4
JIS designation: JIS SKH54
Chemical composition in weight %: 1.30% C, 4.2% Cr, 4.5% Mo, 5.6% W, 4.0% V
Steel group: High speed steels
Applications: Punches, broach inserts, form tools, dies, rolls
Comment: No data
Reference: Not shown in this demo version.

Heat Treatment
Hardening: Hardening with pre-heating in 2 steps at 450-500C and 850-900C and austenitising at a temperature suitable for chosen working hardness.
Tempering: 2 tempers at 560C are recommended with at least 1 hour holding time each time.

Tempering Diagram

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