Statements (50)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Allotrope
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
|
| https://www.w3.org/2000/01/rdf-schema#label |
Austenite
|
| 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
|