1.4542 Steel

Steel name: 1.4542
Diagram No.: 1026
DIN designation: X5CrNiCuNb16-4
Mat.No. (Wr.Nr.) designation: 1.4542
AISI/SAE designation: 17-4PH
Chemical composition in weight %: 0.07% C, 0.70% Si, 1.50% Mn, 16.00% Cr, 4.00% Ni, 3.50% Cu
Steel group: Martensitic precipitation/age-hardening stainless steel
Applications: It has been used for a variety of applications including oil field valve parts, chemical process equipment, aircraft fittings, fasteners, pump shafts, nuclear reactor components, gears, paper mill equipment, missile fittings, and jet engine parts.
Comment: No data
Reference: HTDHK, 2008.

Heat Treatment
Solution Treatment: 1025-1055oC/oil, air
Tempering: See the diagram

Precipitation Diagram


Click the image to enlarge the diagram.

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