|
gptkbp:instanceOf
|
gptkb:Allotrope
gptkb:Phase_of_iron
|
|
gptkbp:alsoKnownAs
|
gamma-iron
|
|
gptkbp:color
|
Silvery-gray
|
|
gptkbp:containsElement
|
gptkb:Carbon
Iron
Nickel
Manganese
|
|
gptkbp:corrosionResistance
|
High in stainless steels
|
|
gptkbp:crystalSystem
|
Face-centered cubic
|
|
gptkbp:decomposesOnCooling
|
Yes
|
|
gptkbp:density
|
7.9 g/cm³
|
|
gptkbp:discoveredBy
|
Sir William Chandler Roberts-Austen
|
|
gptkbp:existsAtTemperatureAbove
|
912°C (in pure iron)
|
|
gptkbp:existsAtTemperatureBelow
|
1394°C (in pure iron)
|
|
gptkbp:firstDescribed
|
1890s
|
|
gptkbp:foundIn
|
Austenitic stainless steel (e.g., 304, 316 grades)
|
|
gptkbp:hardness
|
Relatively soft compared to martensite
|
|
gptkbp:importantFor
|
Stainless steel
Heat treatment of steel
Quenching and tempering processes
|
|
gptkbp:latticeParameter
|
3.64 Å
|
|
gptkbp:magneticAtRoomTemperature
|
No
|
|
gptkbp:magnetType
|
Non-magnetic
|
|
gptkbp:meltingPoint
|
1538°C (iron)
|
|
gptkbp:microstructure
|
Grains with FCC structure
|
|
gptkbp:namedAfter
|
Sir William Chandler Roberts-Austen
|
|
gptkbp:notMagnetic
|
Yes
|
|
gptkbp:parentPhaseOf
|
Ferrite
Bainite
Martensite
Pearlite
|
|
gptkbp:phaseDiagram
|
Iron-carbon phase diagram
|
|
gptkbp:phaseStability
|
Stable at high temperatures
|
|
gptkbp:roleInSteel
|
Parent phase for transformation products
|
|
gptkbp:solubilityOfCarbonAt
|
2.14% at 1147°C
|
|
gptkbp:stable
|
gptkb:Nitrogen
Nickel
Manganese
|
|
gptkbp:thermalExpansion
|
High
|
|
gptkbp:transformsInto
|
gptkb:Cementite
Ferrite
Bainite
Martensite
Pearlite
|
|
gptkbp:usedIn
|
Austenitic stainless steel
High-temperature alloys
|
|
gptkbp:bfsParent
|
gptkb:Bainite_in_Steels
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Austenite
|