Ukumelana nokugqwala kungenye yezinto ezibaluleke kakhulu lapho ukhetha i-aIbhola Lensimbi Engagqwalingezicelo zezimboni. Nakuba insimbi engagqwali ihlotshaniswa kabanzi nokumelana nokugqwala, ukusebenza kwayo kuncike kokungaphezu kwegama lezinto ezibonakalayo kuphela. Okuqukethwe kwe-Chromium, ukwakheka kwealloy, ukwelashwa kokushisa, isimo esingaphezulu, ikhwalithi yokukhiqiza, nendawo yokusebenza ezungezile konke kuthonya indlela ibhola elimelana ngayo ngempumelelo nokugqwala. Ibanga elisebenza ngendlela enokwethenjelwa ekuhlanganiseni komshini okomile lingawohloka ngokushesha kakhulu lapho lichayeke emanzini anosawoti, izinto zokuhlanza ezine-asidi, uketshezi lwenqubo oluqukethe i-chloride, noma imijikelezo ephindaphindayo yokumanzisa neyomile. Kochwepheshe bokuthenga, ukuqonda lo mehluko kubalulekile ekukhetheni ingxenye ehlangabezana nezidingo zohlelo lokusebenza ngaphandle kokudala izindleko zempahla ezingadingekile noma izindleko zokushintshwa ngaphambi kwesikhathi.
NgoInkampani Inkampani Yuncheng Kangda Steel Ball Co., Ltd., ukukhethwa kwempahla kanye nezidingo zomkhiqizo kufanele kuhlolwe ngokuphathelene nezimo zangempela zokusebenza kunokuncika encazelweni evamile njengokumelana nokugqwala noma ukumelana nokugqwala. Abathengi kudingeka bathole ukuthi yiliphi ibanga lensimbi elifanele, ukuthi ingaphezulu liqedwe kanjani, yiziphi izidingo zobukhulu nezomshini ezisebenzayo, nokuthi umphakeli anganikeza yini imibhalo yezinto ezibonakalayo ezilandelekayo. Lo mhlahlandlela uchaza izici eziyinhloko ezithinta ukumelana nokugqwala, uqhathanisa amabanga avamile ensimbi engagqwali, uveza izindlela ezingokoqobo zokuhlola umphakeli, futhi ukhomba ulwazi abathengi okufanele balucele ngaphambi kokufaka i-oda. Inhloso ukusiza abathengi bezimboni benze isinqumo esiphusile ngokobuchwepheshe esisekelwe ezimeni zokusebenza, okulindelwe impilo yesevisi, kanye nezindleko eziphelele zobunikazi.
1. Yiziphi Izinto Ezibalulekile Ezinquma Ukumelana Nokugqwala?
2. I-Surface Finish kanye Nezinqubo Zokukhiqiza Ziwuthinta Kanjani Ukusebenza?
3. Yiziphi Izimo Zezimboni Ezidinga Amabanga Ahlukene Ensimbi Engagqwali?
4. Abathengi Bangayihlola Kanjani Imibandela Nekhwalithi Yomhlinzeki?
5. Isiphetho: Abathengi Bangalikhetha Kanjani Ibhola Lensimbi Engenasici?
Isinyathelo sokuqala ekukhetheni ibhola lensimbi elingagqwali ukuqonda ubudlelwano phakathi kokwakheka kwengxubevange nokuziphatha kokuvikela kwensimbi engagqwali. Insimbi engagqwali ayimelani nokugqwala ngenxa nje yokuthi ibukeka igqamile noma iqukethe insimbi enendawo epholishiwe. Ukusebenza kwayo kuncike ekuhlanganisweni kwezakhi ze-alloying kanye nekhono lezinto zokwakha nokugcina ifilimu encane yokuvikela i-oxide. Uma impahla ifanele indawo yayo, le filimu isiza ukukhawulela ukuhlasela kwamakhemikhali okwengeziwe. Uma izimo ezizungezile zidlula ukumelana nokokusebenza, umonakalo owenziwe endaweni ungakhula ngisho nalapho ingxenye ibonakala ihlanzekile futhi ingonakalisiwe.
I-Chromium iyingxenye eyinhloko enesibopho sokumelana nokugqwala kwesici sensimbi engagqwali. Izinsimbi ezingagqwali ngokuvamile ziqukethe okungenani amaphesenti angu-10.5 e-chromium, nakuba ukwakheka okunembile kuhluka ngokwebanga nezicaciso ezisebenzayo. Ukuchayeka kumoya-mpilo kuvumela ifilimu engenzi lutho ene-chromium ukuthi yakheke phezulu. Le filimu izacile kakhulu, kodwa inganciphisa kakhulu izinga insimbi engaphansi esabela ngayo nemvelo. Uma ingaphezulu liklwetshiwe noma liphazamiseke ngenye indlela, ifilimu ye- passive ingavama ukuguquka ngaphansi kwezimo ezifanele.
Kodwa-ke, ukuba khona kwe-chromium akwenzi yonke insimbi engagqwali imelane ngokulinganayo nokugqwala. Ukusebenza kwefilimu ye-passive kuncike ekwakhiweni kwengxubevange, ukuhlanzeka kwendawo, izinga lokushisa, ikhemikhali yesixazululo, nokuba khona komoyampilo. Endaweni ye-chloride enolaka, isibonelo, ibanga elinokumelana okwanele lingase libe nemigodi emincane engena endaweni. Ngakho-ke ingxenye ingaba nomonakalo omkhulu endaweni ngaphandle kokubonisa ukugqwala okubomvu okusabalele.
Ezinye izakhi ze-alloying zithinta ibhalansi phakathi kokumelana nokugqwala, amandla, ubulukhuni, nezici zokukhiqiza. Abathengi kufanele bahlole ukuqokwa okuphelele kwebanga kunokuqhathanisa izinto zokwakha ngokuqukethwe kwe-chromium kuphela.
Amamaki amaningana ajwayele ukucatshangelwa amabhola anembayo, izingxenye zevalvu, okokusebenza okubamba uketshezi, kanye nemihlangano yezimboni ejwayelekile. Ukufaneleka kwabo kuncike ekubunjweni okuqondile, ifomu lomkhiqizo, isimo sokukhiqiza, nendawo yesevisi. Ithebula elilandelayo linikeza ukuqhathanisa kwasekuqaleni kunezinga lomhlaba wonke.
| Ibanga lezinto ezibonakalayo | Izici ezijwayelekile | Izindawo ezingaba izicelo | Imikhawulo ebalulekile |
| 304 insimbi engagqwali | Ibanga elivamile le-austenitic elinokumelana nokugqwala okuhle okujwayelekile kanye nokusetshenziswa okubanzi kwezimboni. | Imishini ejwayelekile, ama-valve akhethiwe, okokusebenza kwabathengi, kanye nezindawo zesevisi ezimaphakathi. | Ingase ingafaneleki ukuchayeka okuqhubekayo kuma-chloride anolaka, amanzi olwandle, noma amakhemikhali athile enqubo. |
| 316 insimbi engagqwali | Ibanga le-austenitic eline-molybdenum elinokumelana okuthuthukisiwe kokugqwala nokugqwala ezindaweni eziningi ze-chloride. | Imihlangano yokuphatha uketshezi, izingxenye zasolwandle ezikhethiwe, nemishini yokucubungula amakhemikhali. | Awuvikelekile ekuhlaselweni kwe-chloride, ukugqwala kwe-crevice, noma ukuqhekeka kokugqwala kwengcindezi ngaphansi kwezimo ezingezinhle. |
| 316L insimbi engagqwali | Inguqulo yekhabhoni ephansi engu-316, evame ukukhethwa lapho ukuzwela ngesikhathi sokushisela noma ukucutshungulwa kwe-thermal kuyinkinga. | Izisetshenziswa ezinezidingo zezinto ezisebenzayo ezinekhabhoni ephansi kanye nezinhlelo zokusebenza ezikhethiwe zesevisi ebolayo. | Ikhabhoni ephansi ayiqinisekisi ukufaneleka kwayo yonke i-asidi, ukugxila kwe-chloride, noma izinga lokushisa lokusebenza. |
| 420 insimbi engagqwali | Insimbi engagqwali ye-Martensitic engafinyelela ubulukhuni obuphezulu ngokuqhathaniswa nokwelashwa okushisa okufanele. | Amabhola akhethiwe angagugi, ama-asembly emishini, nezinhlelo zokusebenza ezidinga inhlanganisela yokuqina nokumelana nokugqwala okumaphakathi. | Ngokuvamile inikeza ukumelana nokugqwala okuncane kunamabanga avamile angu-304 noma angu-316, ikakhulukazi ezindaweni ezinolaka. |
| 440C insimbi engagqwali | Insimbi engagqwali enekhabhoni ephezulu ye-martensitic ehlotshaniswa kakhulu nobulukhuni obuphezulu kanye nokumelana nokugqoka ngemuva kokwelashwa okushisa okufanele. | Ama-bearings anembile nezinye izinhlelo zokusebenza lapho ubulukhuni nokumelana nokugqoka kubalulekile. | Ukumelana nokugqwala kwayo akufani nalokho kwe-316, futhi isimo esingaphezulu nokwelashwa kokushisa kubaluleke kakhulu. |
Ukuqina nokumelana nokugqwala kuyizinto ezibonakalayo ezihlukile. Ibhola eliqinile lingase lifaneleke ukulayishwa okuthintana naye, ukugingqika okuphindaphindiwe, noma isevisi edonsa kanzima, kodwa lokhu akulenzi ngokuzenzekelayo libe ukukhetha okungcono kakhulu koketshezi olubolayo. Eqinisweni, abathengi bavame ukubhekana nokuhwebelana phakathi kokumelana nokugqwala kwebanga le-austenitic kanye nobunzima obufinyeleleka ngebanga le-martensitic.
Isibonelo, i-bearing enembayo esetshenziswa endaweni yezimboni enomswakama ingase idinge kokubili ukuzinza kobukhulu kanye nokumelana nokuguga. Uma inhlangano iphinde ihlangabezane namanzi okugeza ane-chloride, ithimba lokuthenga kufanele linqume ukuthi izinga elihlongozwayo linikeza ibhalansi eyamukelekayo yokusebenza kwemishini namakhemikhali. Ukukhetha into ethambile, imelana nokugqwala ngaphandle kokubuyekeza izidingo zomthwalo kungase kuthule enye imodi yokwehluleka. Ngokuphambene, ukukhetha into enobulukhuni obuphezulu kuphela ngenxa yezakhiwo zayo eziwumshini kungase kubangele ukugqwala okungamukeleki.
E-Yuncheng Kangda Steel Ball Co., Ltd., abathengi kufanele bakhombe ibhalansi edingekayo phakathi kokumelana nokugqwala, ukuqina, ukunemba kobukhulu, nempilo yokusebenza ngaphambi kokuqinisekisa ukucaciswa kwezinto ezibonakalayo. Ibhola Lensimbi Engagqwali kufanele likhethwe ngokumelene nohlelo lokusebenza lwangempela kunempahla yesihloko esisodwa. Ukuze uthole izinqumo zokuthenga ezinokwethenjelwa, cela ukuqokwa kwebanga elinembile, izinga lezinto ezibonakalayo ezifanele, kanye namadokhumenti axhumanisa inqwaba enikeziwe nencazelo okuvunyelwene ngayo.
Isimiso sokuthenga esimaphakathi siqondile: impahla engcono kakhulu yileyo enelisa ukucaciswa okuphelele kokusebenza. Ibanga eliphakeme le-alloy linganciphisa imvamisa yokushintshwa endaweni enzima, kodwa futhi linganyusa izindleko zasekuqaleni ngaphandle kokuhlinzeka ngenzuzo enengqondo endaweni epholile. Ukuqhathanisa ubungozi bangempela kanye nezidingo zokusebenza kubaluleke kakhulu kunokukhetha ngokuzenzakalelayo ibanga elitholakalayo elibiza kakhulu.
Ibanga lezinto ezibonakalayo lisungula amandla ayisisekelo okumelana nokugqwala kwengxenye, kodwa inqubo yokukhiqiza inquma ukuthi lawo mandla agcinwa ngempumelelo kangakanani kumkhiqizo oqediwe. Amabhola amabili akhiqizwa kusukela ebangeni elifanayo lensimbi engagqwali angase aziphathe ngendlela ehlukile uma izindawo zazo ziqukethe amazinga ahlukene okungcoliswa, ama-roughness, inclusions, noma umonakalo wokucubungula. Lo mehluko ubaluleke kakhulu ezinhlelweni zokusebenza ezinembayo ngoba indawo engaphezulu yebhola iyindawo yokuxhumana esebenzayo kanye nesixhumi esibonakalayo phakathi kokubalulekile nendawo ezungezile.
Indawo emagebhugebhu ingase iqukathe izigodi ezincane, imihuzuko, ukungalungi, nezindawo lapho izinsalela zezinqubo zisala khona. Lezi zici zingagcina umswakama, ukungcola, usawoti, noma izinsalela zamakhemikhali. Ngaphansi kwezimo ezingezinhle, indawo evalelekile ingase ibe nolaka kunoketshezi oluzungezile. Umehluko wendawo ekugxilweni komoyampilo nakho kungaba nomthelela ezinqubweni zendawo zokugqwala. Le miphumela ibaluleke kakhulu uma izingxenye zihlala zimanzi isikhathi eside noma zisebenza emibuthanweni lapho ukuhlanza nokukhipha amanzi kunqunyelwe.
Indawo ebushelelezi ingathuthukisa ukuhlanzeka futhi inciphise izindawo lapho amadiphozithi anqwabelana khona. Noma kunjalo, ukushelela kukodwa akukwazi ukunxephezela ingxubevange engafanele. Ingxenye ye-304 ephucuzeke kakhulu isengase ibe ne-chloride-induced pitting ngaphansi kwezimo ezeqa ukumelana kwayo, kuyilapho ingxenye ye-316 eyenziwe kahle ingase isebenze kangcono endaweni efanayo. Ngakho-ke isiphetho sobuso kanye nebanga lezinto ezibonakalayo kufanele zihlolwe ndawonye.
Abathengi kufanele futhi bagweme ukuphatha ukukhanya okubonakalayo njengendlela yokwamukela yobuchwepheshe. Indawo ecwebezelayo ayibonisi inani elithile lokugwedla, ukwakheka kwamakhemikhali, noma umphumela wokuhlola ukugqwala. Uma izinga eliphezulu lithinta ukusebenza komkhiqizo, chaza isiphetho esidingekayo usebenzisa izincazelo okuvunyelwene ngazo kanye nendlela yokulinganisa efanele. Lapho ubulukhuni bubalulekile, cela umkhawulo osebenzayo we-Ra noma enye ipharamitha ebonwayo yokwakheka kwendawo, kanye nendlela yokuhlola nohlelo lwamasampula.
Ikhwalithi yokukhiqiza ayinqunywa ngokupholisha kuphela. Isiteji sokucubungula ngasinye singathinta ingxenye yokugcina, futhi ukuhambisana kwesiteji esithile kuncike ebangeni lebhola, ububanzi, ukunemba okuhlosiwe, kanye nokusetshenziswa.
Cha. I-Passivation inqubo yokumisa phezulu okuhloswe ngayo ukuthuthukisa isimo sendawo ye-passive, hhayi ukuguqula ingxubevange engafanele ibe into evimbela ukugqwala emhlabeni wonke. Ngokuya ngenqubo kanye nesimo sengxenye, i-passivation efanelekile ingasusa ukungcoliswa kwe-iron mahhala futhi kusize ukubuyisela indawo ehlanzekile, ekwazi ukumelana nokugqwala. Ayikwazi ukuqeda ukulinganiselwa okuyisisekelo kwe-alloy endaweni enolaka.
Ngezinjongo zokuthenga, imibuzo ebalulekile iphathelene nokufaneleka kwenqubo, ukulawula inqubo, nokuqinisekisa. Buza ukuthi ingabe i-passivation ifakiwe ekucacisweni kokukhiqiza, ukuthi ingabe iyadingeka yini ebangeni elikhethiwe, nokuthi umphakeli uqinisekisa kanjani ukuthi ukwelashwa kuhlangabezana nezidingo okuvunyelwene ngazo. I-ASTM A967/A967M iyireferensi eyodwa eyaziwayo yokwelashwa kwekhemikhali ye-passivation yezingxenye zensimbi engagqwali, kodwa izimfuneko ezisebenzayo zokubukeza nokwamukela kufanele kuvunyelwane ngazo phakathi komthengi nomphakeli.
Abathengi kufanele futhi bahlukanise i-passivation kusuka ku-electropolishing, coating, nokuhlanza okuvamile. Lezi zinqubo zisebenzisa izinhloso ezehlukene futhi akufanele zisetshenziswe ngokushintshana ekucacisweni kobuchwepheshe. Uma umkhiqizo udinga ukuphathwa okukhethekile kwendawo, i-oda lokuthenga kufanele lisho ukwelashwa, izinga elisebenzayo uma lifanelekile, imibandela yokwamukela, kanye nanoma yimiphi imikhawulo ekuphatheni okulandelayo.
Ukungcoliswa komhlaba kuwumthombo ovamile wezinkinga zokugqwala ezingagwemeka. Isibonelo, izinhlayiya zensimbi ye-carbon ezidluliswa zisuka kumathuluzi okwabelwana ngazo noma izinto zokubamba zingashiya ukungcoliswa kwensimbi endaweni yensimbi engagqwali. Uma kukhona umswakama, lokhu kungcola kungase kukhiqize ukugqwala okubangelwa ukuhluleka kwensimbi engagqwali ngokwayo. Ukungcola okunjalo akusho ukuthi yonke ingxenye ilahlekelwe ukumelana nokugqwala, kodwa kudinga uphenyo.
Ezinye izingozi zihlanganisa ukuklwebheka okujulile, izinto ezihugayo ezishunyekiwe, isikali sokwelapha ukushisa, izinsalela zamakhemikhali, nokulimala kwendawo okudalwe ngesikhathi sokugcinwa noma ukuthutha. Ukufakwa noma ukungahambi kahle kwe-metallurgical kungase futhi kuthinte ukugqwala kwendawo ngaphansi kwezimo ezithile. Ubunzima buncike kusici, ingxubevange, nendawo ezungezile; abathengi akufanele bacabange ukuthi wonke amamaki amancane azobangela ukwehluleka noma ukuthi wonke amaphutha abonakalayo awanangozi.
| Into yokuhlola | Ulwazi oluzocaciswa | Inhloso yokuthenga |
| Ukuqedwa kobuso | Ubulukhuni obudingekayo, imikhawulo yokwamukela ebonakalayo, kanye nendlela yokulinganisa lapho kufanele khona. | Ilawula ukuhlanzeka, ukusebenza kokuxhumana, nokuvumelana kwendawo. |
| Ukwelashwa kokushisa | Isimo esidingekayo, ububanzi bokuqina, kanye nendlela yokuqinisekisa okuvunyelwene ngayo. | Ixhuma ukusebenza komshini nesimo esihlosiwe sento. |
| Passivation | Ukuthi ukwelashwa kuyadingeka, inqubo esebenzayo, kanye nemibandela yokwamukela. | Yehlisa ukungaqiniseki mayelana nokuhlanzeka kwendawo kanye nokulawulwa kokwelashwa. |
| Ukulawula ukungcola | Izidingo zokuphatha, zokuhlanza, nokupakisha. | Ikhawulela ukungcoliswa kwendawo okungagwemeka ngaphambi kokufakwa. |
| Ukuhlolwa kokugcina | Imvamisa yesampula, imikhawulo yokukhubazeka, namarekhodi okufanele ahlinzekwe. | Isungula isisekelo esingaguquki sokulawulwa kwekhwalithi okungenayo. |
E-Yuncheng Kangda Steel Ball Co., Ltd., ingxoxo yokuthenga ewusizo kakhulu yileyo ehumusha okulindelwe okubanzi kube yizidingo ezilinganisekayo. Amandla okukhiqiza emboni yethu angempela kanye nokwelashwa okutholakalayo kufanele kuqinisekiswe ngokumelene ne-oda elithile kunokuba kuthathwe encazelweni yomkhiqizo ojwayelekile. Ngebhola Lensimbi Engagqwali elihloselwe isevisi enzima, cela ubufakazi obubhaliwe bendawo okuvunyelwene ngayo, ubukhulu, kanye nezimfuneko zezinto ezibonakalayo. Le ndlela isiza umthengi ukuthi ahlukanise izici zomkhiqizo oqinisekisiwe kusukela kuzimangalo zokumaketha okuvamile futhi yenza ukusebenza komnikezeli kube lula ukuhlola ngama-oda aphindaphindiwe.
Ukumelana nokugqwala kuhlala kuhlobene nendawo lapho ingxenye ethile isebenza khona. Ibhola elifanayo lingase lihlale lisesimweni esihle iminyaka endaweni ehlanzekile, eyomile kodwa libonise ukugqwala kwendawo ngemva kwesikhathi esifushane kakhulu ngenqubo ecebile nge-chloride. Ngalesi sizathu, ukukhetha ibanga kukhathalogi yomkhiqizo ngaphandle kokuchaza indawo yokusebenza kuyindlela yokuthenga engathembekile. Abathengi akudingeki bacabangele kuphela uketshezi lwenqubo oluyinhloko kodwa nezinqubo zokuhlanza, ukuchayeka ngezikhathi ezithile, ukushintshashintsha kwezinga lokushisa, amadiphozithi, kanye nesikhathi ingxenye ihlala imanzi.
Umswakama ovamile awuthinti zonke izingxenye zensimbi engagqwali ngendlela efanayo. Indawo ehlanzekile, eyomile ngokuvamile iveza ingozi ephansi yokugqwala kunaleyo lapho amanzi ehlala evaleleke khona endaweni. Uma amanzi equkethe ama-ion e-chloride, ingozi yokugqwala kwendawo ingakhula ngoba i-chloride ingenza ifilimu ye-passive ingasebenzi kahle ngaphansi kwezimo ezithintekayo. Ukuchayeka kwe-chloride kungase kuvele emanzini olwandle, ku-brine, kusawoti we-deicing, imikhiqizo yokuhlanza, amakhemikhali okucubungula, noma ukungcoliswa okufakwe ngesikhathi sokuphatha.
Ibanga lama-304 livame ukusetshenziswa ezindaweni ezijwayelekile zezimboni, kodwa lingase linganikezi ukumelana okwanele ekuchayekeni kwe-chloride okuqhubekayo noma okunamandla. Ibanga 316 ngokuvamile linikeza ukumelana okuthuthukisiwe emigodini kanye nokugqwala kwemifantu ngenxa yokuqukethwe kwayo kwe-molybdenum. Kodwa-ke, i-316 ayigonyiwe ekugqwaleni okuhlobene ne-chloride, ikakhulukazi lapho izinga lokushisa, ukugxilisa ingqondo, idiphozithi, imifantu, noma ingcindezi esetshenzisiwe kudala izimo ezinzima. Isevisi yamanzi olwandle, ikakhulukazi, idinga ukuhlolwa ngokucophelela okuqondene nohlelo lokusebenza kunokuqagela okuzenzakalelayo kokuthi i-316 izofaneleka.
Abathengi kufanele bachaze ukuchayeka kwangempela esikhundleni sokusebenzisa amagama angacacile njengendawo emanzi noma ibanga lasolwandle. Ulwazi oluwusizo luhlanganisa ukugxiliswa kwe-chloride lapho kwaziwa khona, izinga lokushisa eliphezulu lokusebenza, ubude besikhathi sokuchayeka, imvamisa yokuhlanza, kanye nokuthi ingxenye icwiliswa ngokuqhubekayo noma ichayeke kuphela ekuchaphazeni ngezikhathi ezithile. Uma ukwakheka koketshezi kungaqinisekile, ukubuyekezwa kohlelo lokusebenza noma ukuhlolwa kokugqwala okumelayo kungase kudingeke.
Ukumelana ne-Acid kuyahluka kakhulu ngohlobo lwe-asidi, ukugxila, izinga lokushisa, ukungcola, kanye nokuba khona kwezimo ze-oxidizing noma ukunciphisa. Into esebenza ngendlela eyamukelekayo kwesinye isixazululo se-asidi ingagqwala ngokushesha kwesinye. Isixwayiso esifanayo siyasebenza ezixazululweni ze-alkaline, izibulala-magciwane, namakhemikhali okuhlanza izimboni. Amagama omkhiqizo ewodwa awanele ukusungula ukuhambisana ngoba ukwakheka kwezentengiso kungaqukatha izithako ezisebenzayo eziningi.
Okokusebenza okucutshungulwayo, ithimba elithengayo kufanele lithole ulwazi lokuhambisana namakhemikhali kumnikezeli wamakhemikhali noma uchwepheshe wezinto ezisebenzayo. Buyekeza isimo esivamile sokusebenza kanye nemijikelezo yokuhlanza endaweni, izinguquko ezingalindelekile zokugxilisa ingqondo, kanye nokuxubana kwamakhemikhali okungenzeka. Ibhola elivezwa kuphela oketshezini lwenqubo phakathi nokusebenza lingase libe nezimo ezinolaka kakhulu phakathi nokuhlanza kunangesikhathi sokukhiqiza ngokwalo.
Ekucutshungulweni kokudla, okokusebenza kwemithi, nezinye izinhlelo zokusebenza ezizwelayo ukuhlanzeka, ukumelana nokugqwala kuyingxenye eyodwa kuphela yokucaciswa. Abathengi bangase futhi badinge ukucabangela ukuhlanzeka, isimo esingaphezulu, ukulawula ukungcoliswa, izimfuneko zokulawula ezisebenzayo, kanye nokuhambisana nezinqubo zokuhlanza nezokuhlanza. Iqiniso lokuthi into ethile iyinsimbi engagqwali, ngokwayo, ayikusunguli ukuthobela imboni ethile noma indinganiso yokuxhumana nomkhiqizo.
Ukuhlanganisa okunembayo kuletha inselele yokukhetha ehlukile ngoba ukumelana nokugqwala kufanele kulingane nomthamo womthwalo, ukumelana nokuguga, ukuzinza kwe-dimensional, nokusebenza okuhlobene nokushwibilika. Ibhola elithwele lihlangabezana nokucindezelwa okuphindaphindiwe kokuxhumana, futhi okokusebenza okukhethiwe kufanele kuhlangabezane nezidingo zemishini zomhlangano. Kuzinhlelo zokusebenza lapho umswakama noma uketshezi olubolayo lukhona, abathengi kufanele banqume ukuthi izinga le-austenitic elimelana nokugqwala noma ibanga le-martensitic eliqinile linikeza isisombululo esingcono kakhulu.
Izinsimbi ezingenasici ze-Martensitic ezifana ne-420 ne-440C zingafinyelela ubulukhuni obuphezulu ngaphansi kwezimo ezifanele zokucubungula futhi zivame ukubhekwa lapho ukumelana nokugqoka kubalulekile. Ukumelana nokugqwala kwazo, nokho, ngokuvamile akufani nalokho kwe-316 ezindaweni ezinolaka lwe-chloride. Ngokuphambene, amamaki e-austenitic avamile anganikeza ukumelana nokugqwala okuqinile okujwayelekile kodwa angase angafinyeleli ubulukhuni obufanayo namamaki e-high-carbon martensitic. Ukukhetha okulungile kuncike ekwakhiweni kokuthwala, izimo zokulayisha, ukuthambisa, ukuchayeka, nesikhawu sokulungisa esamukelekayo.
| Indawo yokusebenza | Ukukhathazeka okuyinhloko kokugqwala | Indlela yokukhetha impahla | Amasheke engeziwe |
| Hlanza imishini yasendlini | Ukuswakama ngezikhathi ezithile nokungcoliswa kwendawo. | Linganisa amamaki ajwayelekile njenge-304 lapho izidingo zemishini zivuma khona. | Izimo zesitoreji, ukuhlanza, kanye nekhwalithi yendawo. |
| Imishini yangaphandle | Imvula, ukujiya, ukungcola, nosawoti obekiwe. | Hlola ukuqina kokuchayeka ngaphambi kokukhetha phakathi kwezinketho zenjongo evamile kanye nezinketho ze-alloy ephezulu. | Ukuthuthwa kwamanzi, ukunakekelwa, nezimo zesizini. |
| Ukuchayeka emanzini olwandle noma anosawoti | I-pitting eyenziwe nge-chloride, ukugqwala kwe-crevice, kanye nokuqhekeka kokugqwala kwengcindezi okungenzeka. | Linganisa i-316 noma ezinye izinto ezifanele ngokuqhathanisa nezimo zangempela zesevisi; ungacabangi ukuthi i-316 yanele jikelele. | Izinga lokushisa, ukucwiliswa emanzini, amadiphozithi, nobufakazi bokuhlola ukugqwala. |
| Ukucubungula amakhemikhali | I-Acid, i-alkali, i-solvent, noma ukuhlasela kwamakhemikhali axubile. | Qondanisa ibanga nokwakheka kwamakhemikhali kanye nezimo zokusebenza. | Ukugxila, izinga lokushisa, imijikelezo yokuhlanza, nedatha yokuhambisana. |
| Ukudla kanye nemishini yokwenza imithi | Ukuhlanza amakhemikhali, ukugcinwa komswakama, kanye nezingozi zokungcola. | Linganisa ukumelana nokugqwala kanye nezidingo zenhlanzeko nokulawula. | Ukuqedwa kwendawo, ukuhlanzeka, imibhalo, nezidingo zokuxhumana nomkhiqizo. |
| Ama-precision bearings | Ukugqwala okuhlanganisiwe, ingcindezi yokuxhumana, ukuguga, kanye nezingozi ezihlobene nokugcotshwa. | Linganisa ubulukhuni, ukusebenza kwe-dimensional, nokumelana nemvelo. | Umthwalo, isivinini, ukuthambisa, ukubekezelela, nempilo yesevisi. |
| Izinhlelo zokuhlanza amanzi | Ikhemikhali yamanzi eguquguqukayo, usawoti oncibilikisiwe, nezibulala-magciwane. | Isisekelo sokukhetha ekuhlaziyweni kwamanzi kanye nenqubo yokwelapha. | Amazinga e-chloride, izinga lokushisa, ukuqina, kanye nomthamo wamakhemikhali. |
Ukugqwala okujwayelekile kususa izinto ngokulinganayo endaweni eveziwe, kuyilapho ukugqwala kwendawo kuhlasela izindawo ezithile. I-pitting corrosion idala imigodi emincane engashona ngisho nalapho indawo yonke ihlala ikhanya. Ukugqwala kweCrevice kungenzeka ezindaweni ezivalekile lapho ukushintshana koketshezi kukhawulelwe, kuyilapho ukugqwala kokugqwala kwengcindezi kungase kuthuthuke lapho izinto ezithintekayo zichayeka ezimeni ezithile zokugqwala ngaphansi kwengcindezi eqinile.
Lezi zindlela zibalulekile ngoba ingxenye ingalahlekelwa ukwethembeka kokusebenza ngaphambi kokuba kubonakale ukugqwala okubonakalayo okusabalele. Emishinini enembayo, umgodi omncane ungase uthinte ukuziphatha kokuxhumana, ubuqotho bobukhulu, noma ukusebenza kokukhathala. Ku-valve noma umhlangano wokubamba uketshezi, ukulimala kwendawo kungase kuholele ekuvuzeni, ekusebenzeni kabi, noma umthwalo wokunakekela ongamukeleki.
Ngenxa yalesi sizathu, ukucaciswa kokuthengwa kwempahla kufanele kusekelwe ezindleleni ezingase zehluleke esikhundleni sokubukeka okubonakalayo kuphela. Kuye ngohlelo lokusebenza, abathengi bangase badinge ukuhlolwa kokugqwala okwaziwayo, umbandela wokwamukela okuvunyelwene ngawo, noma ukuqinisekiswa ngaphansi kwezimo zokusebenza ezimele abanye. Umphumela wesifutho sikasawoti ojwayelekile akufanele uthathwe njengesibikezelo esiqondile sempilo yesevisi ngaphandle uma ukuhlolwa kuhambisana nempahla, isimo esingaphezulu, nendawo ehlosiwe.
I-Yuncheng Kangda Steel Ball Co., Ltd. kufanele ihlolwe ngokumelene nezidingo zohlelo lokusebenza ezichazwe umthengi, okuhlanganisa nebanga eliqondile, indawo ehlosiwe, kanye nokuhlolwa okulindelekile. Ngaphambi kokuthenga Ibhola Lensimbi Engagqwali lesevisi ebolayo, nikeza umphakeli ngedatha engokoqobo yokusebenza futhi ubuze ukuthi iziphi izinketho zezinto ezibonakalayo ezingasekelwa ngamadokhumenti angaqinisekiswa. Lapho imiphumela yokwehluleka ibalulekile, faka umklami wezisetshenziswa noma unjiniyela wezinto esinqumweni sokugcina kunokuthembela kuphela esincomweni sebanga lenjongo evamile.
Impahla efanelekile ngokobuchwepheshe isengaveza imiphumela edumazayo uma i-oda lokuthenga lingachazi kahle ukuthi yini ehlinzekwayo. Ngakho-ke amathimba okuthengwa kwempahla kufanele aguqule izidingo zohlelo lokusebenza zibe yizincazelo ezicacile ezihlanganisa ibanga lezinto ezibonakalayo, usayizi, ukubekezelela, isimo esingaphezulu, izakhiwo zemishini, imibhalo, ukuhlolwa, nokupakishwa. Le nqubo yenza kube lula ukuqhathanisa amakhotheshini ngoba abahlinzeki abahlukahlukene basabela ezidingweni ezifanayo zobuchwepheshe esikhundleni sokwenza imibono ehlukene mayelana nomkhiqizo ohlosiwe.
Amapharamitha afanelekile ancike kuhlelo lokusebenza kanye nebanga lomkhiqizo womphakeli. Ithebula elilandelayo liwuhlaka olubekiwe ukuze abathengi baluqedele futhi baluqinisekise. Akusona isimemezelo sebanga elijwayelekile lokukhiqiza noma amakhono aqinisekisiwe we-Yuncheng Kangda Steel Ball Co., Ltd. Wonke amanani aqondene ne-oda kufanele aqinisekiswe ngaphambi kokukhishwa kwe-oda lokuthenga.
| Ipharamitha | Lokho umthengi okufanele akucacise | Kungani kubalulekile |
| Uhlobo lomkhiqizo | Ibhola lensimbi engagqwali kanye nomsebenzi walo ohlosiwe. | Isungula izimfuneko eziyisisekelo zomkhiqizo nokusebenza. |
| Ibanga lezinto ezibonakalayo | Ukuqokwa kwebanga okuqondile kanye nezinga lezinto ezibonakalayo elisebenzayo. | Ichaza ukwakheka kwe-alloy edingekayo kanye nobunikazi bempahla. |
| Ububanzi | Idayamitha encane kanye nokuchezuka kwe-dimensional okuvunyelwe. | Iqinisekisa ukuhambisana nomhlangano wokukhwelana. |
| Ukujikeleza | Ukuchezuka okuvunyelwe okuphezulu ukusuka ku-spherical geometry edingekayo. | Isekela ukugingqa okungaguquki, ukuthintana, nokusebenza okunembayo. |
| Ukuqedwa kobuso | Imfuneko yokuqina, indlela yokubuka, kanye nendlela yokuhlola. | Ilawula ikhwalithi yendawo futhi isiza ukunciphisa ukungaqiniseki okuhlobene nokungcola. |
| Ukuqina | Ububanzi obudingekayo, isikali, indlela yokuhlola, nesimo esisebenzayo. | Iqinisekisa ukufaneleka kokuguga nokulayishwa kwemishini. |
| Izidingo zokugqwala | Indawo okuqondiwe kuyo, indlela yokuhlola esebenzayo, nemibandela yokwamukela. | Ixhumanisa ukukhethwa kokubalulekile nezimo zokusebenza ezihlosiwe. |
| Ukuhlola | Uhlelo lwesampula, ukuhlolwa kobukhulu, imibandela yokukhubazeka, namarekhodi adingekayo. | Idala isisekelo esingaguquki sokwamukelwa noma ukwenqatshwa. |
| Ukulandeleka | Izidingo zokuhlonza iqoqo kanye nemibhalo ebalulekile. | Isiza ukuxhuma imikhiqizo ethunyelwe ekucacisweni kwezinto okuvunyelwene ngazo. |
| Ukupakisha | Uhlobo lokupakisha, izidingo zokuhlanzeka, ukulebula, nokuvikelwa kwezokuthutha. | Yehlisa ubungozi bokulimala noma ukungcola ngaphambi kokufakwa. |
Izitatimende zomphakeli kufanele zisekelwe ubufakazi obufanele ubungozi be-oda kanye nezidingo zobuchwepheshe. Isitifiketi esibalulekile, lapho sidingeka futhi sitholakala, kufanele sihlonze izinga lempahla futhi sinikeze ukwakheka kwamakhemikhali okufanelekile noma olunye ulwazi olushiwo. Abathengi kufanele bahlole ukuthi amadokhumenti ayahambisana yini nenqwaba enikeziwe kanye nezinga okuvunyelwene ngalo. Isitifiketi esijwayelekile esingakwazi ukuxhunywa ezimpahleni ezilethiwe sinikeza isiqinisekiso esinomkhawulo.
Izakhiwo zemishini nazo zidinga ukuqinisekiswa okufanele. Ukuhlolwa kokuqina, ukuhlolwa kobukhulu, nokuhlolwa kwendawo kufanele kulandele izindlela ezifanele umkhiqizo kanye nokucaciswa okusebenzayo. Ngenxa yokuthi izindlela ezihlukene zokuhlola zinemikhawulo ehlukene, i-oda lokuthenga kufanele likhombe indlela nemibandela yokwamukela kunokumane ucele ukuthi umkhiqizo uhlolwe. Ezicelweni ezibucayi, izinhlangothi zingavumelana ngamarekhodi okuhlola, ukuqinisekiswa kwenkampani yangaphandle, noma uhlelo oluchaziwe lwamasampula.
Ukuhlolwa kokugqwala kudinga isiyalo esifanayo. Ukuhlola okuhlukile kuhlola izimo zokuchayeka ezihlukene nezindlela zokwehluleka. Ukuhlola isifutho sikasawoti, isibonelo, kungaba usizo ekuhloleni okuthile okuqhathanisayo, kodwa imiphumela yakhona ayikwazi ukuhunyushwa ngokuzenzakalelayo eminyakeni embalwa yenkonzo endaweni yangempela yezimboni. Uhlelo lokuhlola olunengqondo kufanele likhombe indlela, izimo zokuchayeka, indlela yokuhlola, ukulungiselela isampula, nokuhambisana nesicelo sangempela.
Ikhotheshini ewusizo yenza okungaphezu kokunikeza inani leyunithi. Ivumela umthengi ukuthi abone kahle ukuthi yimuphi umkhiqizo kanye nezidingo zekhwalithi ezifakiwe okunikezwayo. Lapho ubukeza izingcaphuno, cela izimpendulo ezicacile zemibuzo elandelayo.
Ekuthengeni kwe-B2B kwamazwe ngamazwe, le mibuzo iwusizo ikakhulukazi uma abakhiqizi abambalwa bebonakala behlinzeka ngemikhiqizo efanayo. Intengo yeyunithi ephansi ingase ingameli izindleko eziphansi kakhulu uma ikhotheshini ingabandakanyi ukuhlolwa okudingekile, ukupakishwa, ukuphathwa kwendawo, noma imibhalo. Ngakolunye uhlangothi, abathengi akufanele bakhokhele ukuhlolwa kwe-premium noma ukucubungula okungabheki ingozi yangempela yesicelo. Umgomo uwukusungula ukucaciswa okwanele ngokobuchwepheshe okunobubanzi bezohwebo obusobala.
Intengo yokuthenga ingxenye eyodwa kuphela yezindleko zebhola elinembayo. Ezinye izici zihlanganisa ukuhlola, ukufakwa, ukunakekelwa, isikhathi sokuphumula, ukushintshwa kwemvamisa, kanye nemiphumela yokwehluleka okungalindelekile. Ezinhlelweni zokusebenza lapho ukugqwala kungabangela ukucisha noma ukungcoliswa kwempahla, into enezindleko eziphakeme zokuqala ingase ibe ngcono ngokomnotho uma inciphisa ngokusobala ubungozi bomjikelezo wokuphila. Ezimweni ezithambile, ibanga elibiza ngokungadingekile lingase lilethe inzuzo encane engokoqobo.
Abathengi bangaqhathanisa izinketho besebenzisa ukuhlola okuhlelekile. Okokuqala, khomba impilo yokusebenza elindelekile kanye nezindleko zokushintsha ingxenye. Okwesibili, linganisa umthelela wokulungiswa kanye nesikhathi sokuphumula esingahleliwe. Okwesithathu, hlola ukuthi ingabe into ekwazi ukumelana nokugqwala inabo yini ubufakazi obuthembekile bokusebenza okungcono ngaphansi kwezimo zangempela zokusebenza. Okokugcina, qhathanisa isamba sezindleko ezilindelekile kunokuba ucabange ukuthi intengo ephansi noma ingxubevange ephezulu kakhulu iyona ekhethwayo ngokuzenzakalelayo.
Isibonelo, umkhiqizi okhetha amabhola omhlangano wasendlini wenhloso evamile angase abeke kuqala ukuvumelana kobukhulu, ubulukhuni obufanele, nokunikezwa okuzinzile. Izingxenye zomthengi zokuthola izinto zoketshezi eziqukethe i-chloride zingagcizelela kakhulu ukuhambisana kwengxubevange, isimo esingaphezulu, ukulandeleka, kanye nokuqinisekisa ukugqwala okuqondene nohlelo lokusebenza. Zombili izinqumo zingaba zilungile ngoba iphrofayili yobungozi iyahluka.
Uma into kanye nemininingwane sekugunyaziwe, gcina izidingo zobuchwepheshe ku-oda lokuthenga kanye nohlelo lokuhlola olungenayo. Gwema ukufaka esikhundleni segama eliqondile lebanga ngegama elingacacile njengensimbi engagqwali, futhi ungavumeli ukushintshwa kwezinto ngaphandle kwesibuyekezo okuvunyelwene ngaso. Gcina amarekhodi okuhlonza inqwaba, ukuhlolwa kobukhulu, amadokhumenti abalulekile, nanoma yimiphi imiphumela yokuhlola ukugqwala ebiyingxenye yenqubo yokwamukela.
Izinguquko endaweni yokukhiqiza, umthombo wempahla eluhlaza, ukwelashwa okungaphezulu, noma inqubo yokwelapha ukushisa ingase ifune ukubuyekezwa okwengeziwe lapho zingathinta izici zomkhiqizo okuvunyelwene ngazo. Izinga lokuqinisekisa kufanele libonise ubungozi bohlelo lokusebenza. Izingxenye ezibalulekile zingadinga izilawuli eziqinile kunemikhiqizo engagxeki esetshenziswa endaweni elungile.
I-Yuncheng Kangda Steel Ball Co., Ltd. ingabhekwa njengengxenye yenqubo yokuhlola abahlinzeki uma izinga elidingekayo, imininingwane, imibhalo, kanye nemibandela yezohwebo sekusungulwe ngokucacile. Isincomo sethu sokuthenga siwukuqinisekisa ububanzi bezobuchwepheshe ngokubhala ngaphambi kokufaka i-oda lokukhiqiza kanye nokuvumelana ngobufakazi obudingekayo ukuze kwamukelwe. Lokhu kunikeza izinhlangothi zombili indawo eyireferensi evamile uma kuphakama imibuzo ngesikhathi sokuhlolwa noma ukusetshenziswa okulandelayo.
Ukuze uthole ikhotheshini ewusizo, nikeza umphakeli ngedayamitha yomkhiqizo, ibanga elidingekayo, inani, ukubekezelelwa kobukhulu, izidingo ezingaphezulu, ububanzi bokuqina uma bukhona, indawo yokusebenza, nanoma yiziphi izidingo ezikhethekile zamadokhumenti noma zokuhlola. Uma ingxenye izothinta uketshezi lwenqubo, faka ukwakheka koketshezi lapho kwaziwa khona, izinga lokushisa lokusebenza, ubude besikhathi sokuchayeka, nezimo zokuhlanza. Uma umhlangano wokugcina unezidingo eziqondile zokulayisha noma ukunemba, faka leyo mininingwane futhi.
Lapho izinga eliqondile lingakasungulwa, chaza isicelo bese ucela ezinye izindlela ezisekelwe ngokobuchwepheshe. Inqubo yokukhetha enomthwalo wemfanelo kufanele yenze kube sobala ukuhwebelana phakathi kokumelana nokugqwala, ubulukhuni, izindleko, kanye nezingqinamba zokukhiqiza. Akufanele kuncike esithembisweni sokuthi ibanga elilodwa lifanele indawo yonke.
Amadayamitha atholakalayo emboni yethu, ukubekezelela, amamaki ezinto ezibonakalayo, ukwelashwa kwendawo, nezinhlelo zokuhlola kufanele kuqinisekiswe nge-oda eliceliwe. Abathengi kufanele bacele isiqinisekiso esibhaliwe sazo zonke izidingo ezibalulekile, ikakhulukazi uma isicelo sibandakanya amakhemikhali alimazayo, ukuchayeka olwandle, ama-bearings anemba, noma amathuluzi lapho ukwehluleka kwengxenye kunemiphumela ebalulekile.
Ngokuhlanganisa ukucaciswa okucacile kobuchwepheshe nokuqinisekisa okubhaliwe komhlinzeki, amathimba okuthenga angakwazi ukunciphisa ukungaqiniseki, aqhathanise amakhotheshini ngokufanelekela kakhudlwana, futhi athuthukise ukuvumelana phakathi kwamasampuli okuqala kanye nokukhiqizwa okuphindaphindiwe. Lesi isisekelo esithembeke kakhulu sokuthenga isikhathi eside kunokukhetha ingxenye kuphela ngokubukeka, igama lempahla evamile, noma ukumelana nokugqwala okukhangiswayo.
Ukumelana nokugqwala Kwebhola Lensimbi Engagqwali kuncike ekusebenzisaneni phakathi kokwakheka kwezinto, isimo esingaphezulu, ikhwalithi yokukhiqiza, nendawo yokusebenza. I-Chromium inika amandla ifilimu ye-passive evikela insimbi engagqwali, kuyilapho ama-elementi afana ne-molybdenum ne-nickel ethonya ukusebenza kwamabanga athile. Kodwa-ke, alikho ibanga okufanele lithathwe njengobufakazi bokuthi i-corrosion-proof. Ukugxila kwe-chloride, izinga lokushisa, ukuchayeka kwamakhemikhali, ukugcinwa komswakama, ukucindezeleka kwemishini, nokungcoliswa kungathinta umphumela wokugcina.
Kubathengi, indlela ephumelela kakhulu iwukuqala ngezimo zokusebenza, ukunquma ibhalansi yokumelana nokugqwala nokusebenza kwemishini, bese uchaza indlela yokwamukela elinganisekayo. Qinisekisa ibanga eliqondile, ububanzi, ukubekezelelwa kobukhulu, ukuphela kwendawo, ubulukhuni lapho kufanele khona, izindlela zokuhlola, amadokhumenti, nezimfuneko zokupakisha. Uma isicelo sifuna, cela ukuhlolwa kokugqwala okufanele noma ukubuyekezwa kobuchwepheshe esikhundleni sokuncika encazelweni yezinto ezijwayelekile noma ukuhlolwa okubonakalayo kuphela.
I-Yuncheng Kangda Steel Ball Co., Ltd. kufanele ihlolwe ukuthi ingakwazi yini ukuhlangabezana nencazelo yomkhiqizo eqinisekisiwe futhi inikeze imibhalo yekhwalithi okuvunyelwene ngayo. Ngaphambi kokuthenga, yabelana ngobukhulu obudingekayo, izinto ozikhethayo, inani, nendawo yokusebenza ukuze izinketho ezitholakalayo zihlolwe kuqhathaniswa nezidingo zakho zangempela.Xhumana ne-Inkampani Yuncheng Kangda Steel Ball Co., Ltd.ukuze uxoxe ngezidingo zakho zeBhola Lensimbi Engagqwali, qinisekisa izimiso zobuchwepheshe eziqondene ne-oda, futhi ucele ikhotheshini ngokusekelwe kuhlelo lwakho lokusebenza, okulindelekile ekuhlolweni, nohlelo lokulethwa. Ukucaciswa okuchazwe ngokucacile kuyisinyathelo sokuqala sokusebenza kwengxenye enokwethenjelwa kanye nezindleko zokuthenga ezibikezelwe.
IBanga 316 liqukethe i-molybdenum, ngokuvamile ethuthukisa ukumelana ne-chloride-induced pitting and crevice corrosion uma kuqhathaniswa ne-grade 304. Lokhu kwenza u-316 kube umuntu ojwayelekile ezicelweni ezikhethiwe zasolwandle, ukuphatha uketshezi, nokucutshungulwa kwamakhemikhali, kodwa ukusebenza kusancike ekugxilweni kwe-chloride, izinga lokushisa, isimo esingaphezulu, ubude besikhathi, nokuchayeka. Alikho ibanga elilungele yonke indawo endaweni ebolayo, ngakho abathengi kufanele baqinisekise ukuhambisana nezimo zangempela zokusebenza.
Yebo. Ukupholisha kungathuthukisa ukushelela nokuhlanzeka kwendawo, kodwa akukwazi ukunxephezela ingxubevange engafanele noma ukuqeda yonke imithombo yokugqwala. Ukuchayeka kwe-chloride, ukungcoliswa kwensimbi egxilile, izinsalela zamakhemikhali, ukulimala kwendawo, kanye nomswakama omile kungaba nomthelela ekungcoleni noma ekuhlaselweni kwendawo. Abathengi kufanele bacacise izinga lempahla edingekayo kanye nesiphetho sendawo ngokuhlukana futhi bahlole ukusebenza kokugqwala ngaphansi kwezimo ezihambisana nohlelo oluhlosiwe.
Abathengi kufanele bakhombe indlela yokugqwala ekhathazayo, indlela yokuhlola esebenzayo, izimo zokuchayeka, ukulungiswa kwesampula, indlela yokuhlola, nemikhawulo yokwamukela ngaphambi koku-oda. Indlela eyaziwayo efana ne-ASTM corrosion esebenzayo noma izinga lokudlula ingase ifaneleke, kuye ngenjongo yokuhlolwa. Imiphumela yesifutho sikasawoti akufanele ihunyushwe ngokuzenzakalelayo njengesibikezelo sempilo yesevisi yomhlaba wangempela; ukuhlolwa kufanele kuhambisane nempahla yangempela, isimo esingaphezulu, nendawo yokusebenza.
I-440C inganikeza ubulukhuni obuphezulu nokumelana nokugqoka ngemva kokwelashwa okufanele kokushisa, okwenza kube usizo ekuthwaleni ukunemba okukhethiwe kanye nezinhlelo zokusebenza zemishini. Kodwa-ke, ukumelana kwayo nokugqwala ngokuvamile kuphansi kunalokho kwe-316 ezindaweni ze-chloride ezinolaka, futhi ukusebenza kuncike ekucutshungulweni, ekuqedeni kwendawo, nezimo zokuchayeka. Abathengi kufanele bahlole umthwalo, ukuguga, umswakama, ukuchayeka kwamakhemikhali, kanye nezimfuneko zokunakekelwa ndawonye ngaphambi kokugunyaza i-440C yohlelo oluthile.
Ngaphambi kokufaka i-oda, qinisekisa inani eliqondile lezinto ezibonakalayo, izinga elisebenzayo, ububanzi, ukubekezelelwa kobukhulu, ukujikeleza, ukuqedwa kwendawo, izidingo zokuqina, nanoma yikuphi ukuhlolwa okudingekile kokudlula noma ukugqwala. Futhi sungula indawo yokusebenza, imibandela yokuhlola nesampula, ukulandeleka kwenqwaba, imibhalo ebalulekile, ukupakishwa, isikhathi sokuhola, kanye nenqubo yokungalandeli. Cela isiqinisekiso esibhaliwe sokuthi umkhiqizo ocashuniwe uhlangabezana nokucaciswa okuvunyelwene ngakho, futhi uthole iseluleko sobuchwepheshe esiqondene nohlelo lokusebenza uma imiphumela yokwehluleka okuhlobene nokugqwala ibalulekile.
