ASTM B444 UNS N08825 Incnel 825 Umbhobho Ongenamthungo

Fumana ipayipi engenamthungo ye-alloy yenickel engatyiwayo yimhlwa, eyenzelwe imigca yeenkqubo ezifuna umgangatho ophezulu, iinkqubo zokusebenzisa iasidi, ukusetyenziswa elwandle, kunye nezixhobo zemizi-mveliso apho iintsimbi eziqhelekileyo ezingatyiwayo zingahle zingahlali ixesha elide ngokwaneleyo. Eli phepha lemveliso lelabathengi abachaza ipayipi ye-UNS N08825 Alloy 825, kuquka amaqela afuna “ASTM B444 UNS N08825” okanye “Inconel 825 seamless pipe” kwaye efuna uncedo lokuqinisekisa umgangatho ofanelekileyo phambi kokuthenga. Cela ikowuti kunye nobungakanani bakho, ishedyuli, isixa, usetyenziso lokugqibela, kunye neemfuno zamaxwebhu, kwaye izixhobo zingenziwa zihambelane nemigangatho ye-ASTM esebenzayo kunye neemfuno zokuhlolwa kweprojekthi.

Ingaba i-ASTM B444 UNS N08825 yinkcazo efanelekileyo yale payipi?

I-ASTM B444 ne-UNS N08825 zihlala zikhangelo ngokunxulumeneyo, kodwa kufuneka zihlolwe ngononophelo phambi kokuba i-odolo ikhutshwe. Uluhlu lwangoku lwe-ASTM B444 lubandakanya ipayipi netyhubhu ye-alloy ye-nickel-chromium-molybdenum-niobium kunye neye-nickel-chromium-molybdenum-silicon, kuquka i-UNS N06625, i-UNS N06852, kunye ne-UNS N06219; Uluhlu lwe-ASTM B423 luquka ipayipi netyhubhu engatyiwayo ye-alloy ye-nickel-entsimbi-chromium-molybdenum-koporo, kuquka i-UNS N08825. Ukuba umzobo wakho, isicwangciso sezinto, okanye umbuzo wakho uthi astm b444 uns n08825, sicebisa ukuba uqinisekise ukuba imveliso ekujongwe kuyo yi-Alloy 825 / UNS N08825 phantsi kwe-ASTM B423 okanye i-alloy ye-B444 efana ne-Alloy 625 phantsi kwe-UNS N06625.

Olo qwalaselo lukhusela i-odolo yakho yokuthenga, isicwangciso sokuhlola, kunye namaxwebhu okugqibela ovavanyo lwasemilini. Ikwanceda ukuthintela ukungangqinelani okubiza kakhulu phakathi kwe-alloy ekhankanywe kwiinkcukacha zeprojekthi kunye nomgangatho wovavanyo we-ASTM olindelwe ngumthengi, umhloli, okanye umxhasi wokugqibela.

Iibundle zemibhobho engenamthungo yomxube wenkanga zilungele ukuxilongwa

Umbhobho we-nickel alloy owakhelwe ukusebenza ekuthinteleni ukurusa.

I-UNS N08825, edla ngokwaziwa njenge-Alloy 825 okanye i-Incoloy 825, yingxubevange yenickel, iyentsimbi, ne-chromium enezongezo ze-molybdenum, ikhaba, kunye ne-titanium. Olu lwelo lwe-alloy lukhethwa xa imeko yokusebenza iquka iindlela zokugqwala ezinokunciphisa ubomi beendidi eziqhelekileyo zentsimbi engatyiwayo, ingakumbi apho iimeko ezinentsangu, ukuchanabeka kwi-chloride, okanye iimeko ezixubeneyo zokwenza i-oxidizing ne-reducing ziyinxalenye yosetyenziso. I-Special Metals ichaza i-Alloy 825 njengeyiluncedo ngenxa yokuxhathisa kwayo ukugqwala ngokubanzi nangendawo kwiimeko ezahlukeneyo, ngelixa i-VDM iyichaza njenge-alloy yenickel-entsimbi-chromium ezinziswe ngetitanium, eyi-austenitic ngokupheleleyo, enongezo lwekhophu nemolybdenum.

Kubathengi, ixabiso elisebenzisekayo liyacaca: ipayipi ikhethwa ukunciphisa umngcipheko wokumiswa kokusebenza ngenxa yokugqwala, ukuvuza, ukutshintshwa kwangethuba, kunye nokulungiswa okungacwangciswanga. Asikokhetho nje “lealloy iphezulu”; sisigqibo ngesixhobo kwiinkqubo apho ukumelana nokugqwala kuyimfuneko esisiseko yokusebenza.

Iimpawu eziphambili zemveliso

Le payipi engenamthungo yenzelwe iiprojekthi zobunjineli ezifuna ukulandeleka kwe-alloy, ulawulo lobungakanani, kunye nokucaca ekufumaneni. Ngenxa yokuba ukufumaneka kwayo ngokuchanekileyo kuxhomekeke kubungakanani, ubukhulu bodonga, indlela yokuvelisa, kunye nendawo esitokweni, iinkcukacha zokugqibela zokunikezela kufuneka ziqinisekiswe kwinqanaba lokubuza.

Iinkalo eziphambili ekufuneka ziqwalaselwe ziquka:

• Isalathiso sesixhobo: UNS N08825, edla ngokwaziwa njenge-Alloy 825 okanye i-Incoloy 825.
• Uhlobo lwemveliso: Umbhobho ongacutheki wokudibanisa iindawo zoxinzelelo, inkqubo, utshintshelo, nezixhobo apho kukhethwa ukwakhiwa okungacutheki.
• Ixabiso eliphambili: Ukuxhathisa ukugqwala kwiimeko zemizi-mveliso ezifuna kakhulu.
• Ukuphononongwa kweemfuno: I-ASTM B423 idla ngokuba ngumgangatho ofanelekileyo we-ASTM wepayipi netyhubhu engenamthungo ye-UNS N08825, ngelixa i-ASTM B444 kufuneka iqinisekiswe ukuba ikhona na kuluhlu lwe-alloyi.
• Amaxwebhu: Isatifikethi sovavanyo lwezinto, ukulandeleka kweenombolo zokushisa, iirekhodi zemilinganiselo, kunye namaxwebhu ohlolo ajoliswe kwiprojekthi anokucelwa apho kufanelekileyo.
• Ubonelelo lwezorhwebo: Amaxabiso anikwa ngokwesicelo ngasinye, kuxhomekeke kubungakanani, ubuninzi, indawo yokuhanjiselwa, izinga lamaxwebhu, kunye nokufumaneka kwezinto ngoku.

Ezi nkcukacha zinceda amaqela okuthenga ukuba athelekise iitenda ngaphezu kwexabiso lyeyunithi kuphela. Xa iikowuteshini ezimbini zikhangeleka zifana, umahluko usenokuba kukuthotyelwa komgangatho, kwiingxelo zovavanyo, kuphawu, ekupakishweni, okanye enoba ingaba isixhobo siyayifanela ngokwenene i-alloy efunwayo.

Iinzuzo zokumelana nomhlwa kwiimeko zokusebenza zokwenene

I-Alloy 825 ixatyiswe kuba ikhemistri yayo yenzelwe ukumelana nokugqwala ngokubanzi, kunokuba yenzelwe imeko enye emxinwa. INickel inegalelo ekumelaneni nokuqhekeka okubangelwa kukuxinzelelo-korosheni ye-chloride, ikhromium ixhasa ukumelana kwiimeko ezine-oksijini, imolybdenum inceda ekulweni uhlaselo olukwindawo enye, ibhaka iphucula ukusebenza kwiimeko ezithile zeasidi enciphisa, kwaye ititani izinzisa i-alloy kwimiba yokusentiswa. I-VDM ikhankanya ngokukodwa ukumelana okuphezulu nokugqwetheka ngenxa yoxinzelelo nentsiso ebangelwa yi-chloride kwi-Alloy 825. (I-vdm-metals.com)

Ngokwenene, oku kwenza ipayipi ye-UNS N08825 engenamithungo ibe nomtsalane kwiinkqubo apho umgca usenokujongana nemijikelo yokucoca enzima, utshintsho lweekhemikhali zenkqubo, ukuchanabeka kumanzi anetyuwa, umphunga o-asidi, okanye ukusebenza okufumileyo okubangela ukugqwala. Injiniyela yefektri isenokuyikhetha xa umlinganiselo wokugqwala wedwa unganelanga, okanye xa ukusilela kungadala imiphumela ekhuselweni, kokusingqongileyo, okanye kwimveliso.

Iindawo eziqhelekileyo zokusetyenziswa ziquka:

• Ukuqhutywa kweekhemikhali nemibhobho yokudlulisa i-asidi.
• Izixhobo zokufaka i-picking, zokukhupha i-picking, nezokugqibezela i-metal.
• Iinkqubo zaselwandle, ezinetyuwa, nezikufuphi namanzi olwandle.
• Ulawulo lwengcoliseko kunye nezixhobo zokucoca umsi.
• Izidibanisi ze-heat exchanger, i-evaporator, kunye nemibhobho yenkqubo apho kusetyenziswa iinkcukacha ezihambelanayo.
• Iinkqubo zecandelo le-oyile, igesi, namandla ezichanabekile kwizinto ezicholozayo.

Ukuhambelana kokugqibela kuxhomekeke kuhlobo ulwelo olukho, ubushushu, umlinganiselo wezinto ezixutyiweyo, uxinzelelo, indlela yokwenziwa, kunye neemfuno zekhowudi ezisebenzayo. Ukuba inkonzo ibaluleke kakhulu, qinisekisa ukuhambelana neyunjineli yeprojekthi phambi kokuba uthenge.

Imigangatho ye-ASTM kunye novavanyo lwe-ASTM zixhasa izigqibo ezingcono zokuthenga.

Imigangatho ye-ASTM inceda ukuchaza ikhemistri elindelekileyo, iimfuno zoomatshini, iimeko zokuvelisa, ukuvavanywa, imida yokunyamezela, kunye nesakhelo sovumeliso lweemveliso zentsimbi. Kwi-pheyiphi ye-nickel alloy, umgangatho okhankanywe kwintengiselwano yokuthenga ubalulekile kuba uxelela umzi-mveliso, umthengisi, umhloli, kunye nomsebenzisi wokugqibela ukuba loluphi uhlobo lwemveliso kunye nomda we-alloy ethengwayo. I-ASTM B444 ayinakusetyenziswa ngokufanayo kuzo zonke iimfuno zepayipi ye-nickel alloy, ngoko ke akufanelanga isetyenziswe kwi-UNS N08825 ngaphandle kokuba igunya leprojekthi liyihlolisise ngokukodwa laza layamkela loo ndibaniselwano.

Izinto ezilindelweyo kuvavanyo lwe-ASTM zinokuquka isiqinisekiso seekhemikhali, uphononongo lweempawu zoomatshini, ukuqinisekiswa kwemilinganiselo, kunye nezinye iimfuno zokuhlola kuxhomekeke kumgangatho, uhlobo lwemveliso, kunye ne-odolo yokuthenga. Kwiiodolo ezibaluleke kakhulu, eyona ndlela ikhuselekileyo kukuchaza iphakheji yamaxwebhu phambi kokuba i-quotation igqitywe, hayi emva kokuba impahla ilungele ukuthunyelwa.

Uphando olomeleleyo kufuneka luchaze:

• Inombolo efunekayo ye-alloy ne-UNS.
• Umgangatho we-ASTM ofunekayo kunye nohlaziyo, ukuba iprojekthi yakho iyawucacisa.
• Ubungakanani obusemthethweni bombhobho, idhayamitha yangaphandle, ubukhulu bodonga, okanye ishedyuli.
• Imfuneko yobude kunye nenani.
• Iimfuno zokusetyenziswa ekugqibeleni, udidi loxinzelelo, okanye ikhowudi yeprojekthi xa kufanelekile.
• Iimfuno zonyango lobushushu, imeko yomphezulu, uphawu, ukupakisha, kunye nokuhlolwa.
• Izatifikethi ezifunekayo, uphicotho lwomntu wesithathu, okanye uvavanyo olongezelelweyo.

Ukunika ezi nkcukacha kwangethuba kunciphisa ukuphindaphinda, kuphucula ukuchaneka kwesicatshulwa sexabiso, kwaye kunceda ukuqinisekisa ukuba ipayipi yenikeli ye-alloy enikiweyo iyahambelana nokusetyenziswa kwayo.

Ulwakhiwo olungenamthungo lweendlela zokuhamba ezingaguquguqukiyo kunye nokusetyenziswa koxinzelelo

Umbhobho ongacudiswanga ukhethwa xa abathengi befuna umzimba wombhobho ongenayo indawo ecudisiweyo ehleli ngokude. Kwiinkonzo ze-alloy exabisekileyo, oko kunokwenza lula iindlela ezithile zobunjineli ezikhethwayo, ulindelo lokuhlolwa, kunye neenkcukacha zokufunwa kwempahla. Oku kuluncedo kubaluleke ngakumbi kwiinkqubo ezonakalisayo okanye eziphathe uxinzelelo, apho ukufana, ukulandeleka, kunye nokuthotyelwa kwemigangatho kuyinxalenye yesigqibo sokuthenga.

Umzekelo, iziko leekhemikhali elitshintsha icandelo lomibhobho yokuphatha i-asidi lisenokufuna ngaphezulu kobubanzi obuchanekileyo nobukhulu bodonga. Lusenokufuna i-alloy ehambelanayo, isatifikethi esifanelekileyo sesixhobo, ubungqina obucacileyo bokulandelela ubushushu, kunye nokupakishwa okukhusela umphezulu wemibhobho egqityiweyo phambi kokuba ifakwe. Kwimeko enjalo, into enexabiso eliphantsi ayithethi ngokuzenzekelayo ukuba sesona sithengiso silungileyo ukuba ishiya iqela lolungiso linentswela-maxwebhu okanye ukungathobeli imigangatho ngokuqinisekileyo.

Iinkcukacha ziyafumaneka xa ziceliwe.

Ngenxa yokuba ipayipi engenamthungo i-UNS N08825 i-odwawe kumashishini ahlukeneyo amaninzi, iinkcukacha-manani kufuneka ziqinisekiswe ngokuchasene namaxwebhu eprojekthi okwenene. Endaweni yokucingela ukuba kukho isicwangciso esinye esifanayo kuyo yonke indawo, ikhotheshini kufuneka yakhiwe isekelwe kubungakanani bepayipi obufunwa ngumthengi, ishedyuli yokuhanjiswa, kunye nephakheji yokuhlolwa.

Iinkcukacha eziqhelekileyo ze-RFQ zinokuquka:

• I-alloy: UNS N08825 / I-alloy 825.
• Imveliso: ipayipi engenamthungo.
• Umgangatho: ASTM B423 we-UNS N08825 apho isebenza khona, okanye umgangatho ochazwe ngumthengi emva kohlolo.
• Imilinganiselo: NPS, OD, ubukhulu bodonga, ishedyuli, okanye imfuno yomlinganiselo owenziwe ngokukodwa.
• Ukuphela: njengoko kufunwa yiprojekthi okanye yimeko yokuhanjiswa.
• Isatifikethi: isatifikethi sovavanyo lwasemzini kunye namaxwebhu okubekwa elukhanyeni xa kuceliwe.
• Uvavanyo: oluqhelekileyo nolongezelelweyo njengoko kuchaziwe kw iodolo yokuthenga.
• Ukupakisha: ukuthumela kumazwe angaphandle, kwasekhaya, kudityanisiwe, kufakwe isiciko, kusongelwe, okanye iindlela zokupakisha ezikhethekileyo zeprojekthi apho zikhoyo.

Ukuba uphando lwakho ngoku luthi astm b444 kodwa into leyo abantu n08825, Faka iphepha elineenkcukacha ezipheleleyo okanye umzobo kunye nesicelo sakho. Oku kwenza ukuba iodolo ihlolwe phambi kokuba kunikwe iquote kwaye kunceda ukuphepha ukunikezela ngomgangatho ongachanekanga we-nickel alloy.

Izimba-mbeko zamaxabiso neekhowuti

Amaxabiso e-UNS N08825 seamless pipe awenziwa ngendlela efanayo kuzo zonke iimeko. Iindleko ze-nickel alloy zixhomekeke kudidi lwe-alloy, ubungakanani, ubukhulu bodonga, indlela yokuvelisa, ubuninzi, ukufumaneka, umda wovavanyo, iimfuno zesiqinisekiso, kunye neendleko zothutho. Ubukhulu bodonga obukhulu, uvavanyo olukhethekileyo, ukuhanjiswa okungxamisekileyo, okanye iilenga ezingekho mgangathweni zinokutshintsha ixabiso kunye nexesha lokuhanjiswa.

Ukuze ufumane ikowuti esebenzayo, thumela imilinganiselo oyifunayo, isixa, indawo ekuya kuyo, umgangatho, kunye neemfuno zamaxwebhu. Ukuba usacinga phakathi kwe-ASTM B444, i-ASTM B423, okanye enye inkcukacha yeprojekthi, yenza kucace oko kubuzo ukuze uphononongo lobuchwepheshe nolwezorhwebo luqalise phambi kokuba i-odolo ifakwe.

Oda ngokuzithemba okucacileyo

Khetha ipayipi engamathungelwanga ye-UNS N08825 xa iprojekthi yakho ifuna i-alloy yenikeli engatyiwayo ngumhlwa, eyakhelwe ukusebenza okunzima kwezoshishino kwaye ixhaswe ngamaxwebhu acacileyo. Phambi kokuba uthenge, qinisekisa umgangatho we-ASTM, isigama se-alloy, imilinganiselo yepayipi, iimfuno zovavanyo, kunye nephakheji yezatifikethi ukuze isixhobo osifumanayo sihambelane neemfuno zendawo yomsebenzi.

Cela ikowuti namhlanje kunye nobungakanani bemibhobho yakho, ishedyuli okanye ubukhulu bodonga, isixa, imigangatho ye-ASTM esebenzayo, kunye nendawo yokuhanjiswa. Ukuba iprojekthi yakho idwelisa Ipayipi engenamthungo ye-ASTM B444 UNS N08825 Incnel 825, faka loo magama kumbuzo uze ucele ukujongwa kweenkcukacha ukuze kuqinisekiswe ukuba indlela esemgangathweni ye-Alloy 825 eyiyo iyakhona phambi kokuba kunikezelwe.