Stainless Steel 17-4 PH

Grade Summary: Grade 17-4 PH is a chromium-nickel grade of stainless that may be hardened by a single low temperature precipitation-hardening heat treatment. It has excellent mechanical properties and a high strength level may be obtained by using the hardening  treatment. Scaling and distortion is minimized.  Grade 17-4 PH should not be used in the solution treated condition. The strength and corrosion resistance properties of 17-4 hold up well and it has service temperatures up to 800° F. The fabrication techniques for this steel is similar to those established for the regular stainless grades. 17-4 machines well, has excellent welding characteristics and forges easily.

Typical Applications: Aircraft and gas turbines, nuclear reactors, paper mills, oil field industry, and chemical process components.

Available products: Round Bar, Rectangular Bar and Plate.

Typical Chemical Analysis: *C – .07 *Mn – 1.0 *Si – 1.0 *Cr – 15.0/17.5 *Ni – 3.0/5.0 *Cu – 3.0/5.0 *P – .04 *S – .04

Typical Mechanical Properties**:

Tensile Strength (PSI) 160,000
Yield Point (PSI) 45,000
Elongation*** 5

* Chemical Analysis will vary on each heat number

** All values are averaged and are representative – Based on Annealed

*** % in 2”

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