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A nonmagnetic solid solution of iron and another alloying element, usually assumed to be carbon unless otherwise specified, used in making corrosion-resistant steel.

[After Sir William Chandler Roberts- Austen (1843-1902), British metallurgist.]

aus′ten·it′ic (-ĭt′ĭk) adj.


1. (Metallurgy) a solid solution of carbon in face-centred-cubic gamma iron, usually existing above 723°C
2. (Metallurgy) the gamma phase of iron, stabilized at low temperatures by the addition of such elements as nickel
[C20: named after Sir William C. Roberts-Austen (1843–1902), English metallurgist]
austenitic adj


(ˈɔ stəˌnaɪt)

a nonmagnetic solid solution of carbon or iron carbide in iron, an essential component of high-carbon stainless steels.
[1900–05; after Sir W. C. Roberts-Austen (1843–1902), English metallurgist; see -ite1]
aus`ten•it′ic (-ˈnɪt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.austenite - a solid solution of ferric carbide or carbon in iron; cools to form pearlite or martensite
gamma iron - a nonmagnetic allotrope of iron that is the basis of austenite; stable between 906 and 1403 degrees centigrade
austenitic steel - steel that has enough nickel and chromium or manganese to retain austenite at atmospheric temperatures
primary solid solution, solid solution - a homogeneous solid that can exist over a range of component chemicals; a constituent of alloys that is formed when atoms of an element are incorporated into the crystals of a metal
References in periodicals archive ?
The heat treatment given to the material involved austenitizing at 900[degrees]C for 5 hr, followed by air cooling, heating at 880[degrees]C for 5 hr, quenching in oil, tempering at 590-600[degrees]C for 8 hr, and then air cooling.
Nutec Bickley showcased its industrial furnaces for austenitizing, tempering, stress relieving, heat treating, agin, homogenizing, normalizing and curing.
Primetals Technologies supplied FCE F&D Furnace Technologies quenching and tempering equipment, including a direct-fired, walking beam, austenitizing furnace; a high pressure, water spray quench system; a convective, walking beam, tempering furnace; all associated material handling equipment; all necessary instrumentation; and PLC control system.
The fluctuation in temperature range from lower transformation temperature to austenitizing temperature increases the importance of material selection and the significance of subsequent fabrication, welding and heat treatment.
After analysing the results, a schedule with reduced austenitizing time of 15 seconds was designed (H15-1).
Eleven appendixes provide information on conversions, austenitizing temperatures, temper colors, physical properties of steels, and more.
Using a solution of molten salt, the coating is grown at the austenitizing temperature of steel, 1800[degrees] F.
It is hardening, the combination of austenitizing above the upper critical (austenitic transition) temperature and rapid cooling, that forms martensite.
To accomplish these structural changes in tool steels, four primary heat treating steps are used: preheating, austenitizing, quenching, and tempering.
Vacuum heat treatment, followed by gas quenching, has been found to be the optimum austenitizing treatment.