E 4340 H Steel

Steel name: E 4340 H
Diagram No.: 470
AISI/SAE designation: E4340 H
Mat.No. (Wr.Nr.) designation: ~1.6562
Chemical composition in weight %: 0.37-0.44% C, 0.15-0.35% Si, 0.60-0.95% Mn, max. 0.025% P, max. 0.025% S, 0.65-0.95% Cr, 1.55-2.00% Ni, 0.35% Cu, 0.20-0.30% Mo
Steel group: Structural and constructional steels
Applications: No data
Comment: Symbols: E 4340 H (SAE); H43406 (UNS); A 108 (E 4340H) (ASTM); A 304 (E 4340H)
(ASTM); A 540 (B23) (ASTM)
Reference: Not shown in this demo version.

Heat Treatment

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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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