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Uns S32205 Uns S31803 F55 1.4462 thép không gỉ Duplex
Feb 18, 2017
Thông tin cơ bản
  • Mẫu số:UNS S32205 UNS S31803 F55 1.4462 2205

  • Tiêu chuẩn:ASTM, EN

  • Chứng nhận:ISO, NAM SÀI GÒN

  • Kỹ thuật:Cán nóng

  • Nhiều kích thước:Vòng thanh: Dia12 ~ 420mm Flat Bar: 2 ~ 420 X 30 ~ 1500mm

  • Điều kiện giao hàng:Nóng: đúc, cán, rèn, Annealed, Quenched và kính

  • Loại: Thanh thép không gỉ

  • Lớp:200 series

  • Hình dạng:Vòng

  • Xử lý bề mặt:Sáng sủa

  • Tương tự như lớp:Uns S32205 Uns S31803 F55 1.4462 2205

  • MOQ:500kgs

  • Đặc điểm kỹ thuật:Round Bar: Dia12 ~ 420mm Flat Bar: 2 ~ 420 X 30 ~ 1500mm

  • Mã số: 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.)
270max650-880450min25 phút100min

CorrosionResistance
GeneralCorrosion:Becauseofitshighchromium(22%), molybdenum(3%), andnitrogen(0.18%) nội dung, thecorrosionresistancepropertiesof2205duplexstainlesssteelaresuperiortothatof316Lor317Linmostenvironments.
LocalizedCorrosionResistance:Thechromium, molypden, andnitrogenin2205duplexstainlesssteelalsoprovideexcellentresistancetopittingandcrevicecorrosioneveninveryoxidizingandacidicsolutions.
StressCorrosionResistance:Theduplexmicrostructureisknowntoimprovethestresscorrosioncrackingresistanceofstainlesssteels.
Chloridestresscorrosioncrackingofausteniticstainlesssteelscanoccurwhenthenecessaryconditionsoftemperature, tensilestress, oxy, andchloridesarepresent. Sincetheseconditionsarenoteasilycontrolled, stresscorrosioncrackinghasoftenbeenabarriertoutilizing304L, 316L, or317L.
CorrosionFatigueResistence:2205duplexstainlesssteelcombineshighstrengthandhighcorrosionresistancetoproducehighcorrosionfatiguestrength. Applicationsinwhichprocessingequipmentissubjecttobothanaggresivelycorrosiveenviromentandtocycleloadingcanbenefitfromthepropertiesof2205duplexstainlesssteel.
Chế biến
ColdForming:2205duplexstainlesssteelisreadilyshearedandcoldformedonequipmentsuitedtoworkingstainlesssteels. Tuy nhiên, becauseofthehighstrengthandrapidworkhardeningof2205duplexstainlesssteel, forcessubstantiallyhigherthanthoseforausteniticsteelsarerequiredtocoldformit. Alsobecauseofthehighstrength, asomewhatlargerallowancemustbemadeforspringback.
HeatTreatment:2205duplexstainlesssteelshouldbeannealedat1900andamp; #176; Fminimum, followedbyrapidcooling, ideallybywaterquenching. Thistreatmentappliestobothsolutionannealingandstressrelieving.Stressrelieftreatmentsatanylowertemperaturecarrytheriskofprecipitationofdetrimentalintermetallicornonmetallicphases.
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