31CrMoV9 Steel

Steel name: 31CrMoV9
Diagram No.: 174
DIN designation: 31CrMoV9
Mat.No. (Wr.Nr.) designation: 1.8519
Chemical composition in weight %: 0.27-0.34% C, max. 0.40% Si, 0.40-0.70% Mn, max. 0.025% P,
max. 0.035% S, 2.30-2.70% Cr, 0.15-0.25% Mo, 0.10-0.20% V
Steel group: Nitriding steels
Applications: No data
Comment: Nitriding steel for parts up to 100 mm .
Reference: Not shown in this demo version.

Heat Treatment
Nitriding: 480-570oC
Soft annealing: 680-720oC
Hardening in water: 870-930oC
Hardening in oil: 870-930oC
Tempering: 580-700oC
Note: No data

Hardenability Diagram

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

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