17 4 Ph Stainless Steel Heat Treatment

17 4 ph stainless steel 2 as supplied from the mill in condition a 17 4 ph stainless steel can be heat treated at a variety of temperatures to develop a wide range of properties.

17 4 ph stainless steel heat treatment. High strength 17 4 ph stainless steel with a higher chromium content than 15 5 ph stainless steel this high strength 17 4 ph offers better corrosion resistance. Alloy 17 4 can be heat treated to a variety of temperatures to develop a wide range of properties. Its mechanical properties can be optimized with heat treatment where very high yield strength up to 180 ksi can be achieved. Stainless steel al 17 4 alloy summary of heat treating al 17 4 alloy minimum properties specified in aerospace material specification ams 5604 heat treat to produce martensitic structure precipitation heat treatment to produce desired strength solution heat treatment at 1950 f 1066 c precipitation hardening heat treatment 900 f.

Eight standard heat treatments have been developed. 17 4 ph steel contains 4 copper and may be hardened by a single low temperature precipitation hardening heat treatment producing excellent mechanical properties at a high strength level. Mechanical properties can be optimized with heat treatment. Secondary electron analysis of martensitic ph 17 4 stainless steel sem.

17 4 ph provides this high strength in combination with good mechanical properties at temperatures of up to 600 f 316 c. Back scattered electron analysis of martensitic ph 17 4 stainless steel sem. The grade combines high strength hardness up to 572 f 300 c and corrosion resistance. Heat at 1900ºf 1040ºc for 30 minutes and cool to below 90ºf 32ºc to allow complete.

Tem bright field image of the d ferrite phase in 17 4 ph stainless steel after solution treatment. The following chart outlines the times and temperatures required. Alloy 17 4 should not be used at temperatures above 572 f or at very low temperatures. Very high yield strength up to 1100 1300 mpa 160 190 ksi can be achieved.

Alloy 17 4ph is a precipitation hardening martensitic stainless steel with cu and nb cb additions.