4620 Steel

Steel name: 4620
Diagram No.: 1581
AISI/SAE designation: 4620
Chemical composition in weight %: 0.18% C, 0.46% Mn, 0.28% Si, 1.68% Ni, 0.03% Cr, 0.21% Mo
Steel group: Case hardening steels, Ni-Mo steels
Applications: No data
Comment: McQuaid-Ehn grain size: 7-8. Direct quench.
Reference: Not shown in this demo version.

Heat Treatment
Direct quench
All bars normalized: 1700 F
Case: Pack carburized 18 h 1700 F, direct quenched
Reheat quench
All bars normalized: 1700 F
Case: Pack carburized 18 h 1700 F, box cooled, reheated 40 min 1525 F, quenched

Hardenability Diagram

Direct quench. Price: 20.00 US $
Buy Online Hardenability Diagram

Other Steel Data links:
Carbides in Steel
CCT and TTT Diagrams of Steels
CCT and TTT Diagram Calculating Service
Hardenability Calculating Service
Macro Defects in Steel
Metal Etchants
Non-Metallic Inclusions in Steel
Semiconductor Etchants
Transformation Diagrams of Non-Ferrous Alloys
Tempering Diagrams of Steels

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