41CrAlMo7 Steel

Steel name: 41CrAlMo7
Diagram No.: 1684
DIN designation: 41CrAlMo7
Mat.No. (Wr.Nr.) designation: 1.8509
AFNOR designation: 40CAD612
BS designation: (905M39)
Chemical composition in weight %: 0.38-0.43% C, 0.20-0.50% Si, 0.50-0.80% Mn, max. 0.035% P, max. 0.035% S, 1.50-1.80% Cr, 0.25-0.40% Mo, 0.80-1.20% Al
Steel group: Alloy steels
Applications: No data
Comment: Ac1=790 C, Ac3=920 C, Ms=320 C.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 900-940oC/oil
Tempering: 570-650oC

Hardenability Diagram

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Other Steel Data links:
Carbides in Steel
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Etchants Database
Hardenability Calculating Service
Macro Defects in Steel
Non-Metallic Inclusions in Steel
Tempering Diagrams of Steels

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