4520 Steel I

Steel name: 4520
Diagram No.: 1547
AISI/SAE designation: 4520
Chemical composition in weight %: 0.19% C, 0.52% Mn, 0.23% Si, 0.12% Ni, 0.20% Cr, 0.51% Mo
Steel group: Case hardening steels, carburizing steels
Applications: No data
Comment: Single batch reproducibility of case hardenability: Four hardenability bars of AISI 4520 carburizing steel pack carburized 9 hours at 1700 F and direct end quenched.
Reference: Not shown in this demo version.

Heat Treatment

Hardenability Diagram

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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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