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F55 de Uns S31803 uns S32205 acero inoxidable dúplex 1.4462
Feb 18, 2017
Información básica
  • Modelo NO.:UNS S32205 UNS S31803 F55 1,4462 2205

  • Estándar:ASTM, EN

  • Certificación:ISO, SGS

  • Técnica:Laminado en caliente

  • Gama del tamaño:Ronda Bar: Dia12 ~ 420mm Flat Bar: 2 ~ 420 X 30 ~ 1500 m m

  • Condición de la entrega:Laminados en caliente, forjado, recocido, templado y revenido

  • Tipo: Barra de acero inoxidable

  • Grado de:200 serie

  • Forma:Ronda

  • Tratamiento superficial:Brillante

  • Grado similar:F55 de Uns S31803 uns S32205 1,4462 2205

  • MOQ:500kgs

  • Especificación:Barra redonda: Dia12 ~ 420mm plana Bar: 2 ~ 420 X 30 ~ 1500 m m

  • Código del HS: 7228600000

  • QualityStandard

ASTMA182StandardSpecificationforForgedorRolledAlloy-SteelPipeFlanges, ForgedFittings, andValvesandParts
ASTMA276StandardSpecificationforStainlessSteelBarsandShapes
EN10088part3stainlesssteel
ASTMA240StandardSpecificationforChromiumandChromiumNickelStainlessSteelPlateSheetandStrip
SimilarGrades

ASTMA240
EN10088AFNOR
UNSS32205/S318031.4462X2CrNiMoN22.5.3Z3CrNi22.05AZ

ChemicalComposition(%)

SteelGrade
CSiMNPSCRNiMoN
22050.03max1.0MAX2.0MAX0.030max0.020max22.0-23.04.50-6.503.0-3.50.14-0.20
1.44620.03max1.0MAX2.0MAX0.035max0.015max21.0-23.04.50-6.502.50-5.500.10-0.22

MechanicalProperties(Annealed)

Hardness(HB)
TensileStrength(Mpa)YieldStrength(Mpa)Elongation(%)(Long.)ImpactValue(J)(Long.)
270max650-880450min25min100min

Resistencia a la corrosión
GeneralCorrosion:Becauseofitshighchromium(22%), molybdenum(3%), andnitrogen(0.18%) contenido, thecorrosionresistancepropertiesof2205duplexstainlesssteelaresuperiortothatof316Lor317Linmostenvironments.
LocalizedCorrosionResistance:Thechromium, molibdeno, andnitrogenin2205duplexstainlesssteelalsoprovideexcellentresistancetopittingandcrevicecorrosioneveninveryoxidizingandacidicsolutions.
StressCorrosionResistance:Theduplexmicrostructureisknowntoimprovethestresscorrosioncrackingresistanceofstainlesssteels.
Chloridestresscorrosioncrackingofausteniticstainlesssteelscanoccurwhenthenecessaryconditionsoftemperature, tensilestress, oxígeno, andchloridesarepresent. Sincetheseconditionsarenoteasilycontrolled, stresscorrosioncrackinghasoftenbeenabarriertoutilizing304L, 316L, or317L.
CorrosionFatigueResistence:2205duplexstainlesssteelcombineshighstrengthandhighcorrosionresistancetoproducehighcorrosionfatiguestrength. Applicationsinwhichprocessingequipmentissubjecttobothanaggresivelycorrosiveenviromentandtocycleloadingcanbenefitfromthepropertiesof2205duplexstainlesssteel.
Procesamiento de
ColdForming:2205duplexstainlesssteelisreadilyshearedandcoldformedonequipmentsuitedtoworkingstainlesssteels. Sin embargo, becauseofthehighstrengthandrapidworkhardeningof2205duplexstainlesssteel, forcessubstantiallyhigherthanthoseforausteniticsteelsarerequiredtocoldformit. Alsobecauseofthehighstrength, asomewhatlargerallowancemustbemadeforspringback.
HeatTreatment:2205duplexstainlesssteelshouldbeannealedat1900andamp; #176; Fminimum, followedbyrapidcooling, ideallybywaterquenching. Thistreatmentappliestobothsolutionannealingandstressrelieving.Stressrelieftreatmentsatanylowertemperaturecarrytheriskofprecipitationofdetrimentalintermetallicornonmetallicphases.
Estructura




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