Yuav Ua Li Cas Kho 17-4 PH Stainless Steel Thaum Sov

17-4 PH stainless hlau, tseem hu uaAISI 630, yog ib qho ntawm cov hlau tsis xeb uas siv ntau tshaj plaws. Nws muaj nqis rau nwsmuaj zog heev, tiv taus corrosion thiab hardness, ua rau nws tsim nyog rau cov lag luam xav tau xws li aerospace, roj thiab roj av, kev ua tshuaj lom neeg, kev tsim hluav taws xob, thiab kev siv hauv marine.

Ib qho tseem ceeb ntawm kev siv 17-4 PH stainless hlau yog nws cov khoom siv.cov txheej txheem kho cua sov, uas tso cai rau cov engineers kho cov khoom siv lub zog, toughness, thiab corrosion tsis kam rau ntau yam kev siv. Tsab xov xwm no piav qhia kom meejYuav ua li cas kho cua sov 17-4 PH stainless hlau, cov xwm txheej sib txawv (xws li H900, H1025, H1150), cov txheej txheem ib kauj ruam zuj zus, thiab cov kev xav tseem ceeb kom ntseeg tau tias muaj kev ua tau zoo tshaj plaws.

17-4 PH Stainless Steel yog dab tsi?

17-4 PH stainless hlau yog ib qhomartensitic precipitation-hardening stainless hlauuas muaj chromium, nickel thiab tooj liab.

Cov Tshuaj Lom Zem (Ib txwm muaj):

  • Chromium (Cr): ~ 15–17%

  • Nickel (Ni): ~3–5%

  • Tooj liab (Cu): ~3–5%

  • Niobium (Nb): 0.15–0.45%

  • Hlau (Fe): Sib npaug

Cov Nta Tseem Ceeb:

  • Lub zog tensile siab (txog li 1310 MPa)

  • Kev tiv thaiv corrosion zoo ib yam li 304 stainless hlau

  • Cov khoom siv kho tshuab zoo heev txog li 600 ° F (316 ° C)

  • Yuav kho tau cua sov rau ntau qib nyuaj

Vim li cas ho siv cua sov kho 17-4 PH Stainless Steel?

  1. Cov Khoom Siv Kho Tshuab Tshwj Xeeb

    • Kev kho cua sov tso cai rau cov engineers los kho qhov nyuaj, lub zog tso zis, thiab kev tawv.

  2. Kev Tiv Thaiv Kev Hnav Zoo Dua

    • Cov xwm txheej nyuaj xws li H900 ua rau muaj kev tiv thaiv kev puas tsuaj.

  3. Kev Tiv Thaiv Kev Sib Tsoo Zoo Tshaj Plaws

    • Qee qhov xwm txheej sib npaug lub zog thiab kev ua haujlwm corrosion.

  4. Kev Ruaj Ntseg ntawm Qhov Ntev

    • Kev kho cua sov kom zoo txo ​​qhov kev cuam tshuam thiab kev ntxhov siab thaum lub sijhawm ua haujlwm.

Cov Txheej Txheem Kho Kub rau 17-4 PH Stainless Steel

Kauj Ruam 1: Kev Kho Cov Tshuaj (Zaj A)

  • Ua kom cov khoom sov sib npaug zos1900°F (1040°C).

  • Tuav ntawm qhov kub thiab txias rauYam tsawg kawg yog 30 feeb.

  • Txias sai sai rau qhov kub thiab txias hauv chav (txias los ntawm huab cua lossis roj quench nyob ntawm seb tuab npaum li cas).

Qhov Tshwm Sim:Tsim cov qauv martensitic mos mos uas ua haujlwm tau thiab npaj rau kev kho mob laus.

Kauj Ruam 2: Kev Ua Kom Ruaj Khov Thaum Los Nag (Kev Laus)

Tom qab cov tshuaj annealing, cov khoom siv dhau loskev kho mob lausntawm qhov kub thiab txias uas tswj tau. Cov kauj ruam no ua rau cov precipitates me me (feem ntau yog cov theem nplua nuj tooj liab) tsim, ua kom lub matrix martensitic muaj zog.

Cov Mob Laus Feem Ntau:

  1. H900 Mob

    • Kub rau900°F (482°C)rau 1 teev.

    • Cua txias.

    • Lub zog siab tshaj plaws (txog li 200 ksi tensile), qis dua toughness.

  2. H1025 Mob

    • Kub rau1025°F (552°C)rau 4 teev.

    • Cua txias.

    • Lub zog thiab kev tawv nqaij sib npaug.

  3. H1075 Mob

    • Kub rau1075°F (580°C)rau 4 teev.

    • Cua txias.

    • Lub zog qis dua H900, txhim kho kev tawv.

  4. H1150 Mob

    • Kub rau1150°F (621°C)rau 4 teev.

    • Cua txias.

    • Zoo heev toughness thiab corrosion tsis kam, qis hardness.

  5. H1150 Kev Kho Mob Ob Zaug (H1150D)

    • Ua kom sov txog 1400°F (760°C) li 2 teev → Txias los ntawm cua.

    • Rov ua kom sov txog 1150°F (621°C) rau 4 teev → Txias los ntawm cua.

    • Txhim kho kev tiv thaiv kev ntxhov siab corrosion cracking.

Cov Khoom Los Ntawm Kev Kho Mob Kub

Mob Lub zog tensile (ksi) Lub zog tawm los (ksi) Qhov nyuaj (HRC) Cov Lus Cim
H900 190–200 170–180 44–47 Lub zog siab tshaj plaws, qis dua qhov tawv
H1025 ~170 ~150 38–42 Cov khoom sib npaug
H1075 ~155 ~135 35–38 Zoo dua qub
H1150 ~135 ~105 28–32 Kev tiv thaiv xeb zoo tshaj plaws
H1150D ~140 ~110 28–32 Kev tiv thaiv kev ntxhov siab zoo heev

Cov Yam Cuam Tshuam Rau Kev Kho Mob Kub

  1. Qhov Thickness ntawm seem

    • Cov khoom tuab dua yuav xav tau sijhawm ntev dua rau kev tsau dej.

  2. Tus Nqi Txias

    • Kev txias sai tom qab kev daws teeb meem yog qhov tseem ceeb heev kom tsis txhob khaws cia austenite.

  3. Ib puag ncig kev pabcuam

    • H900 zoo tshaj plaws rau kev hnav thiab lub zog, H1150 zoo tshaj plaws rau cov chaw marine lossis corrosive.

  4. Kev Ruaj Ntseg ntawm Qhov Ntev

    • Kev kho mob laus ob zaug (H1150D) pab txo qhov kev cuam tshuam.

Cov ntawv thov ntawm Kev Kho Mob Kub 17-4 PH Stainless Steel

  • Kev Ua Haujlwm Dav Hlau:Cov hniav turbine, cov khoom siv cav

  • Roj thiab Roj Av:Cov li qub, cov twj tso kua mis, cov cuab yeej drilling

  • Tub Rog:Cov kiv cua, cov khoom siv txuas, cov platforms hauv hiav txwv

  • Kev Kho Mob:Cov cuab yeej phais, cov khoom cog rau pob txha

  • Kev Ua Tshuaj:Cov hlab ntsha siab, cov khoom hloov pauv cua sov

  • Kev Tsim Hluav Taws Xob:Cov turbines ncu, cov khoom siv nuclear reactor

Cov txiaj ntsig ntawm kev kho cua sov 17-4 PH

  • Kev yooj ywm los kho lub zog thiab kev tiv thaiv corrosion

  • Khaws lub zog siab thaum kub siab

  • Kev tiv thaiv zoo tshaj plaws rau kev ntxhov siab corrosion cracking hauv qee qhov xwm txheej

  • Kev lees txais dav dav hauv kev lag luam nrog ASME thiab ASTM kev pom zoo

Cov Kev Xyaum Zoo Tshaj Plaws

  • Siv qhov tseebcov cub tawg tswj kubrau qhov tseeb.

  • Xyuas kom meejcua sov sib xwskom tsis txhob muaj cov khoom tsis sib npaug.

  • Ib txwmcua txias tshwj tsis yog tias tau teev tseg lwm yam.

  • Xyuas kom meej cov khoom nrog kev ntsuam xyuas qhov nyuaj thiab tensile tom qab kev kho mob.

  • Thovkev ua kom tsis muaj zogtom qab kev kho cua sov kom rov qab tiv thaiv corrosion.

Xaus lus

Kev kho cua sov 17-4 PH stainless hlau yog qhov tseem ceeb kom qhib nws lub peev xwm tag nrho. Cov txheej txheem suav nrogkev daws teeb meem annealingua raws likev ua kom tawv thaum los nag (laus)ntawm qhov kub sib txawv, tsim cov xwm txheej xws liH900, H1025, H1075, thiab H1150Txhua yam mob muaj qhov sib npaug tshwj xeeb ntawmlub zog, toughness, thiab corrosion kuj, ua rau 17-4 PH yog ib qho ntawm cov hlau stainless uas muaj ntau yam siv tau.

Rau cov lag luam uas xav tauCov ntaub ntawv stainless hlau txhim khu kev qha thiab kev taw qhia kev txawj ntse, sakysteelmuab cov khoom siv hlau tsis xeb 17-4 PH zoo thiab kev txhawb nqa los ntawm cov kws tshaj lij hauv kev xaiv qhov kev kho cua sov kom raug rau koj daim ntawv thov. Nrog kev tswj hwm zoo thiab kev pabcuam thoob ntiaj teb,sakysteelua kom muaj kev ua tau zoo, kev ruaj khov, thiab kev ua haujlwm zoo hauv cov haujlwm tseem ceeb.

Los ntawm kev paub txog cov txheej txheem kho cua sov, cov engineers thiab cov chaw tsim khoom tuaj yeem ua kom zoo dua 17-4 PH stainless hlau kom tau raws liCov kev xav tau ntawm kev siv aerospace, marine, energy, thiab industrial.

Lub sijhawm tshaj tawm: Cuaj hlis-04-2025