M2 Steel

M2 Steel

Steel name: M2
Diagram No.: 852
JIS designation: SKH51
Mat.No. (Wr.Nr.) designation: 1.3343
AISI/SAE designation: M2
Chemical composition in weight %: 0.90% C, 4.20% Cr, 5.00% Mo, 1.80% V, 6.40% W
Steel group: High speed steels
Applications: M2 is a high-speed steel suitable for cutting tools such as, twist drills, broaches, taps, milling cutters, reamers, saws, knives etc. In terms of performance, M2 is an all-round steel to be used in cutting conditions where demands for hot hardness are moderate.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 1050–1220^oC/air
Tempering: See the diagram
Diagram note: Hardness after hardening, step quenching and tempering 2x1 h of a sample 25 mm Ø.

Tempering Diagram

Click the image to enlarge the diagram.

Disclaimer: The material data is a central depository of information based on global actual tests and calculated software data that is available to the public for a fee. The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.