14-4 PH alloy is an extremely high-strength stainless steel. The PH means precipitation hardening, which is a slight variation on classic heat treatment for Martensitic stainless steels. The 14-4 PH alloy has more corrosion resistance than the 400-series martensitic. The tensile strength is very high.
Aerospace, chemical and food processing equipment, cylinders, gears, hollow shafts, landing gears, marine gas turbine, nuclear flow control, pump and valve components, pressure vessels, shaft sleeves, turbine engine parts.
* Produced under license of AK Properties / ARMCO Advance Materials Corp.
Cast UNS: J92240
Cast Grade: 14-4 PH
Military/AMS: AMS 5340
Typical Chemical Composition (% by wt.)
Other: Mo 2.0-2.5; Nb 0.15-0.35; Ta 0.05 MAX; N 0.05 MAX
Minimum Mechanical Properties
Heat Treatment: Solution Anneal, HOMOG, Age
Explore Other Alloys
Non-ferrous alloys are, literally, materials that are not iron-based. While others may provide non-ferrous materials of other materials, the MetalTek family of non-ferrous alloys are copper-based. In general, these materials deliver high strength, and excellent wear and corrosion resistance. They are often found in marine applications and also bushing, bearing, and gear environments.
Stainless steels owe their ability to resist corrosion primarily to the presence of a passive film on their surface. Chromium is chiefly responsible for formation of the passive film. Iron ceases to rust at approximately 12% chromium content and resistance to oxidizing corrosives increases rapidly with chromium content up to approximately 20%.
Specialty Alloys comprise a broad group of materials that deliver properties for more demanding applications, use more exotic or expensive materials, or require special processes to manufacture. Where standard materials may not offer desired performance, specialty alloys (including those that are modified further) may be a sensible selection.