Cov Hlau Vuam Hlau

1. Zoo heev corrosion tsis kam

• Intergranular corrosion: Kev ua tau zoo er309lsi vuam hlau yog ib qho xaim roj av uas muaj kuab phom nrog kev lag luam muaj kuab lom thiab kev ua lag luam.

• Tshav kub thiab corrosion Kuj: Lub vuam hlau no tseem tuaj yeem tswj hwm cov khoom siv zoo, thiab haum rau cov chaw nres tsheb loj thiab cov khoom siv petrochemical.

2. Cov vuam qhov zoo

• Arc Stability:Kev ua haujlwm siab er309lsi vuam hlau muaj lub tshuab vuam ruaj khov, tsis muaj weld tsim muaj zog thaum lub sij hawm vuam, thiab haum rau txhua txoj haujlwm vuam.

• Zoo tso cov hlau fluidity:Vim yog qhov sib ntxiv ntawm Silicon lub caij, cov khoom tso tawm cov hlau ntawm cov hlau vuam muaj cov kua zoo, du weld chaw tswj hwm.

3. Cov khoom siv zoo tshaj plaws

• Lub zog siab thiab tawv:Tus weld hlau muaj lub zog siab tensile lub zog thiab elongation zoo, kom ntseeg tau ntev ruaj khov thiab kev nyab xeeb ntawm cov qauv welded.

• Tawg tsis kam:Tus weld hlau muaj ib qho tsim nyog ntawm ferrite, nrog qis tawg rhiab, thiab yog haum rau vuam martensitic thiab ferritic stainless hlau nrog kev ua tsis zoo.

4. Cov ntawv thov ntau

• Vuam ntawm cov ntaub ntawv tsis sib xws: ER309LSI yog tsim nyog rau vuam cov ntaub ntawv sib cais xws li cov hlau uas muaj roj carbon thiab hlau lossis cov hlau tsheb thauj khoom ntawm cov hlau uas tsis sib xws xws li hlau tsis muaj hlau.

• Ntau daim teb:Siv dav hauv cov khoom siv roj petrochemical, cov hlab ntsha siab, cov tshuab zaub mov siab, tshuab zaub mov, txua nkoj thiab lwm yam lag luam.

1.er3 {0} 9lsi vuam hlau muaj cov ntsiab lus ntau dua thaum 0.2} Zoo nkauj weld tsim, ruaj khov vc thiab tsis pub dhau los.

2.Cov nyiaj siab dua cov chromium ntau dua (CR) thiab npib tsib (NI) cov ntsiab lus, feem ntau ua rau nws zoo heev hauv corrosion tsis kam thiab muaj zog kub.

3.Qhov zoo fluidity thiab ruaj khov arc tus yam ntxwv, nws muaj kev tsim kho zoo thiab tsis pub dhau los.

Daim ntawv thov

 

 

Muaj khoom lag luam

1. Cov khoom siv Petrochemical: ER309LSi vuam hlau yog dav siv nyob rau hauv kev tsim khoom siv kub, thiab xav tau cov khoom siv hluav taws xob ntau, thiab cov khoom siv hluav taws xob ntau thiab cov khoom siv hluav taws xob ntau dua thiab cov khoom siv tshuab hluav taws xob.
2. Cov hlab ntsha siab: Siv rau kev tsim khoom thiab kev kho cov nkoj siab, thiab lwm yam. Cov khoom siv roj kub thiab lwm yam.
3. Khoom cua Fiber khoom: hauv kev tsim cov khoom siv hluavtaws fiber ntau, er309lsi txheej txheem hlau ntawm lub nkoj sib txuas ntawm cov hlab ntsha ntawm lub pej thuam. Cov cuab yeej no ua haujlwm hauv kev ua kom muaj kev ua kom muaj kev ua kom muaj kev cog qoob loo thiab xav tau vuam cov ntaub ntawv nrog cov khoom siv corrosion zoo tshaj plaws.

Lub zog teb

1. Lub chaw nres tsheb fais fab: er309lsi steel vuam hlau, xws li ib puag ncig lim dej, xws li ib puag ncig cua tshuab hluav taws xob thiab corrosion tsis kam.
2. Nuclear zog cog: er309lsi vuam hlau kuj tseem siv nyob rau hauv kev tsim khoom siv hluav taws xob nuclear thiab kev saib xyuas ntawm nuclear reactors. Cov khoom siv no muaj cov kev xav tau siab heev rau cov khoom lag luam corrosion thiab kev nyab xeeb ntawm cov ntaub ntawv, thiab er309lsi vuam hlau tuaj yeem ua kom tau raws li cov tseev kom ua tau.

3.OtoShoe cua lub zog: raws li ib qho tseem ceeb ntawm lub zog tshiab ua teb, offshore cua yuav tsum muaj rau cov khoom lag luam uas tsis kam thiab kub ua yeeb yam ntawm cov ntaub ntawv. Er309lsi vuam hlau yog dav siv nyob rau hauv lub vuam ntawm ntug dej hluav taws xob, cable sheathia yees thiab lwm yam zoo heev corrosion tsis kam thiab muaj cua sov tsis kam.

Tsheb thauj mus los teb

1. Railway Locomotives thiab Freight Tsheb: Er309LSi Vuam cov hlau tuaj yeem siv rau cov tsheb thauj khoom uas muaj cov hlau thauj khoom xws li hlau tsis muaj hlau. Cov ntawv thov no xav tau zoo vuam cov txheej txheem thiab corrosion tsis kam.
2. Kev tsheb nqaj hlau siab: Tshwj xeeb tshaj yog tsim nyog rau vuam ntawm cov tsheb ciav hlau siab, xws li ua cov tshuab hlau stainless. Cov ntawv thov no xav tau zoo vuam cov txheej txheem thiab corrosion tsis kam los xyuas kom lub lag luam ruaj khov ntawm cov tsheb ciav hlau.
3. Thawv tsim khoom: kev ua tau zoo er309lsi vuam hlau tseem dav siv hauv kev tsim cov khoom steel hlau. Cov chav ntim khoom no yuav tsum tau muaj kev ua haujlwm zoo heev thiab zoo vuam cov txheej txheem ua haujlwm xws li kev hloov pauv Marine thiab kev hloov pauv ntawm lub sijhawm thauj mus los.

Thaum lub sij hawm vuam, lub vuam hlau txuas nrog tus ncej tsis zoo ntawm lub zog hluav taws xob, thiab lub dc rov qab txoj kev sib txuas yog saws. Txoj kev sib txuas no tuaj yeem muab tus nqi tsoos Depigition ntau dua thiab ua tau zoo Arc ruaj khov, thiab haum rau kev lag luam vuam ntawm ER309LSI vuam hlau.

1. Ua tib zoo saib kom sov thiab av noo. Nws raug nquahu tias lub tsev kub nyob sab hauv siab yuav nyob saum toj 5 degree thiab cov txheeb ze cov av noo tsis pub dhau 60%. Ua kom muaj qee qhov deb ntawm av thiab phab ntsa (txog 30cm).

2. Siv 100% Argon lossis AR + (1% ~ 3%) O2 uas yog cov roj tiv thaiv, thiab cov pa tiv thaiv roj kev tiv thaiv, thiab pab roj thaiv pa tiv thaiv yog} l \/ min.

Er309lsi vuam hlau

Er309lsi vuam hlau ua nyob rau hauv Suav teb

Npaj ua ntej vuam

• Tu lub vuam thaj tsam:Ua ntej vuam, lub qhov loj me xws li roj, xeb, thiab noo noo ntawm lub vev xaib vuam yuav tsum tau muab tshem tawm. Koj tuaj yeem siv cov neeg sawv cev lossis cov qauv kev tu kom zoo los ntxuav nws kom tsis txhob muaj av me ntsis los tiv thaiv cov hws thiab tawg thaum lub sij hawm vuam.
• Kev npaj hlau:Ua ntej vuam, av, xeb, xeb thiab lwm cov av ntawm cov hlau yuav tsum tau muab tshem tawm kom ntseeg tau tias cov vuam zoo.

Vuam Parameter Chaw

• Kev thaiv cov roj:Thaum Tig Vuam, nws raug nquahu kom siv cov ntshiab sib cav raws li kev tiv thaiv roj, lub purity yuav tsum yog saum 99.99%, thiab kev tiv thaiv roj flowing yuav tsum yog {2}} l \/ min.
• Tungsten Electrode ncua ntev thiab arc ntev:Lub tungsten electrode ntev yog hais txog 3-5 mm, thiab arc ntev yog tswj hwm ntawm kev ruaj ntseg ntawm arc thiab vuam zoo.
• Vuam tam sim no thiab voltage:Xaiv cov vuam tsim nyog tam sim no thiab kev voltage raws li cov kab hlau thiab vuam txoj haujlwm. Piv txwv li, thaum siv φ1.6mm vuam hlau, cov vuam txuas tam sim no feem ntau yog nruab nrab ntawm {2}}} A thiab cov vuam voltage yog nruab nrab ntawm {}} v.
• Vuam ceev:Lub vuam ceev yuav tsum tau txiav txim siab raws li qhov loj me thiab tuab ntawm cov welded seem, thiab feem ntau tswj hwm ntawm kev ceev ntau yam kom paub meej tias qhov tsim thiab zoo ntawm Weld.

Vuam cov kev txawj ua haujlwm

• Arc ciav:Thaum ntaus lub arc, lub arc striking taw tes yuav tsum tau ceev cov txheej txheem kom huv, thiab cov qauv kov, yuav tsum tau siv los xyuas kom meej qhov kev tiv thaiv ntawm arc.
• Qws Zog:Thaum lub sij hawm vuam, qhov kev txav ntawm kev vuam pas nrig yuav tsum tau sib dhos thiab ruaj khov thiab ruaj khov, thiab kev ua kom muaj kev sib dhos thiab tsim ntawm Weld.
• Tswj tshav kub kub:Thaum lub sij hawm vuam, lub vuam kab lub zog yuav tsum nruj me ntsis cov tswv yim uas ua rau cov khoom siv tshuab hluav taws xob ntawm weld hlau los yog tawg ua.

Cov kev ceev faj

• Cua ceev txwv:Thaum cov cua ceev tshaj 1.5m \/ s, windproof yuav tsum tau ua kom tsis txhob muaj huab cua thiab tsis txaus siab nyob rau hauv huab cua los ntawm kev siv vuam thiab cuam tshuam rau vuam zoo.
• Rov qab tiv thaiv:Nws raug nquahu kom dhau kev tiv thaiv argon roj rau sab nraub qaum kom tiv thaiv oxidation thiab kev paug thiab txhim kho kev tiv thaiv kev tiv thaiv weld.
• Preheating thiab interpass Kub:Raws li cov ntaub ntawv thiab tuab ntawm cov niam txiv cov khoom siv, lub preheating thiab kev sib cais thiab qhov kub kom tiv thaiv kom tiv thaiv cov kab nrib pleb thiab lwm yam tsis xws luag thaum vuam.

Npaj ua ntej vuam

• Tu lub vuam thaj tsam:Ua ntej vuam, lub qhov loj me xws li roj, xeb, thiab noo noo ntawm lub vuam taw tes yuav tsum tau muab tshem tawm kom tiv thaiv pores thiab tawg thaum muab cov kab xev. Koj tuaj yeem siv cov neeg sawv cev lossis cov qauv kev tu kom zoo los ntxuav nws kom ntseeg tau tias qhov zawj nyob sab npoo thiab thaj chaw ib puag ncig yog xim hlau.
• Kev npaj hlau:Ua ntej vuam, cov roj, xeb, xeb thiab lwm cov av ntawm cov hlau vuam yuav tsum tau muab tshem tawm kom ntseeg tau cov hlau vuam.

Vuam Parameter Chaw

• Kev thaiv cov roj:Ar +1-3% O₂ raug pom zoo rau MIG VUAM, thiab cov kev thaiv cov pa roj pa roj roj roj yog qhov zoo dua} l l \/ min.
• Kab hlau thiab tam sim no:

0. 8mm: Vuam tam sim no {2}} a

⇒φφφ. {0 mm: vuam tam sim no {2}} a

⇒φφφ1.2 hli: vuam tam sim no 140-220 a.

• Voltage:Xaiv qhov volfage uas tsim nyog raws li cov kab hlau thiab vuam. Feem ntau, tus voltage yog {{{0}}}} v rau φ1.0 hli thiab φ1.2mm.
• Qhov ntev txuas ntxiv ntev:Nws raug nquahu kom cia nws nyob rau 15-25 hli.

Vuam cov kev txawj ua haujlwm

• Arc ciav:Thaum ciav lub arc, xyuas kom meej tias lub arc striking taw tes yog huv si, thiab siv txoj kev kos duab tsim nyog, kom paub tseeb tias kev tiv thaiv kab mob ntawm lub arc.
• Cov Hlau Pub:Thaum lub sij hawm vuam, kev pub mis ceev ntawm lub vuam hlau yuav tsum sib koom tes nrog lub vuam ceev thiab arc ntev yuav tsum tau tswj kom ntseeg tau tias qhov kev sib txuam thiab kev sib sau ntawm Weld.
• Tswj tshav kub kub:Thaum lub sij hawm vuam, lub vuam kab lub zog yuav tsum nruj me ntsis tswj kom tsis txhob muaj cua sov ntau dhau los ntawm cov neeg siv hluav taws xob ntawm weld hlau lossis tawg.

Cov kev ceev faj

• Cua ceev txwv:Thaum sib tw tawm sab nraud, thaum cua nrawm yog ntau dua 1.5m \/ s, windproof ntsuas yuav tsum tau los tiv thaiv cov pores.
• Rov qab tiv thaiv:Nws raug nquahu kom dhau kev tiv thaiv argon roj rau sab nraub qaum kom tiv thaiv oxidation thiab kev ua qias tuaj thiab kev tiv thaiv kev tiv thaiv kev tiv thaiv weld.
• Preheating thiab interpass Kub:Raws li cov ntaub ntawv thiab tuab ntawm cov niam txiv cov khoom siv, lub preheating thiab kev sib cais thiab qhov kub kom tiv thaiv kom tiv thaiv cov kab nrib pleb thiab lwm yam tsis xws luag thaum vuam.
• Vuam zoo soj ntsuam:Tom qab vuam yog ua tiav, tsim nyog kev tshuaj xyuas yuav tsum tau nqa tawm, xws li tshuaj xyuas, thiab lwm yam, kom paub tseeb thiab ua haujlwm ntawm Weld.