20NiCrMo2-2 (21NiCrMo2) - 20NiCrMoS2-2 Steel

Steel name: 20NiCrMo2-2 (21NiCrMo2) - 20NiCrMoS2-2
Diagram No.: 752
BS designation: 805M20, 806M20
AFNOR designation: 20NCD2, 22NCD2
Mat.No. (Wr.Nr.) designation: 1.6523, 1.6526
AISI/SAE designation: 8620
Old name: Monix E
Chemical composition in weight %: 0.21% C, 0.25% Si, 0.75% Mn, 0.50% Cr, 0.20% Mo, 0.55% Ni,
+ Pb
Steel group: Alloyed steel
Applications: No data
Comment: The legend: Harte in HRC - Hardness in HRC, Stirnflacheabstand in mm - Distance from quenched end in mm.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 860-900oC/oil, water, 780-820oC/oil, water

Hardenability Diagram


Click the image to enlarge the diagram.

Disclaimer: 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.

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