15-5ph Stainless Steel Suppliers
15-5 PH® is a martensitic, precipitation hardening stainless steel. Good in corrosive, high-pressure environments, it is ideally suited for several industries, including aerospace, <a href="defense.html">defense</a>, petrochemical, chemical and food processing. 15-5 PH stainless steel offers exceptional performance for applications such as gears, shafts, fittings, valves and fasteners. In addition to corrosion resistant properties, 15-5 PH has good strength, transverse toughness and ductility in comparison to 304 stainless steel.
Altemp Alloys offers 15-5 PH UNS S15500 in:
|Plate||AMS 5862BMS 7-240||0.250.3750.50.75||Quote|
|Sheet||ASTM-A-693BMS 7-240AMS 5862||Quote|
Composition of 15-5 PH Stainless Steel
The composition of 15-5 PH stainless steel includes high levels of chromium, nickel and copper. Carbon, manganese, phosphorus, sulfur, silicon and columbium plus tantalum may also be present in trace amounts, with each not exceeding 1 percent of the compositional total.
Heat Treated 15-5 PH Stainless Steel
Heat treatments are used to strengthen 15-5 alloys. There are eight standard conditions for 15-5 stainless steel after treatment - H 900, H 925, H 1025, H 1075, H 1100, H 1150, H 1150+1150 and H 1150-M. Heat treating 15-5 PH follows the following steps:
- Conditioning using austenite.
- Air cooling, which turns the austenite into martensite.
- Precipitation hardening until the desired condition is reached.
15-5 PH can be further heat-treated when in precipitation-hardened condition to provide improved resistance to stress corrosion cracking for high temperature applications. Fabrication is recommended after the metal has been heat treated to minimize distortion and stress.
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