ASTM A269 316/316L Bakin Karfe nadare

Don aikace-aikacen buƙatun da aka fallasa ga gurɓatattun ruwa kamar ruwan teku da hanyoyin sinadarai, injiniyoyi a al'adance sun juya zuwa manyan abubuwan nickel na valence kamar Alloy 625 azaman zaɓi na tsoho.Rodrigo Signorelli yayi bayanin dalilin da yasa manyan allunan nitrogen ke zama madadin tattalin arziki tare da ingantaccen juriya na lalata.

ASTM A269 316/316L Bakin Karfe nadare

Bayani & Suna:bakin karfe nada bututu don mai rijiyar sarrafa ruwa ko canja wurin ruwa

Daidaito:ASTM A269, A213, A312, A511, A789, A790, A376, EN 10216-5, EN 10297, DIN 17456, DIN 17458, JISG3459, JIS GS3463, GS3467 GOST9, GS3467
Abu:TP304/304L/304H, 316/316L, 321/321H, 317/317L, 347/347H, 309S, 310S, 2205, 2507, 904L (1.4301, 6 4, 4.1.1.41.1) 04, 1.4571, 1.4541, 1.4833, 1.4878, 1.4550, 1.4462, 1.4438, 1.4845)
Tsawon girman:OD: 1/4 ″ (6.25mm) zuwa 1 1/2 ″ (38.1mm), WT 0.02″ (0.5mm) zuwa 0.065″ (1.65mm)
Tsawon:50 m ~ 2000 m, kamar yadda kuke bukata
Sarrafa:Zane mai sanyi, Sanyi birgima, Daidaitaccen birgima don bututu ko bututu mara nauyi
Gama:Annealed & pickled, annealing mai haske, goge
Ƙarshe:Ƙarshen beveled ko bayyananne, yankan murabba'i, kyauta mara kyau, Filastik Cap a ƙarshen duka

Bakin Karfe Coiled Tubes Chemical Haɗin Kai

Inganci da takaddun shaida sun ƙayyade zaɓi na kayan don tsarin kamar masu musayar zafi (PHEs), bututu da famfo a cikin masana'antar mai da iskar gas.Ƙididdiga na fasaha suna tabbatar da cewa kadarorin suna ba da ci gaba na matakai akan tsawon rayuwa yayin da suke tabbatar da inganci, aminci da kariyar muhalli.Wannan shine dalilin da ya sa yawancin masu aiki sun haɗa da abubuwan haɗin nickel kamar Alloy 625 a cikin ƙayyadaddun su da ma'auni.
A halin yanzu, duk da haka, an tilasta wa injiniyoyi su iyakance farashin babban birnin, kuma allunan nickel suna da tsada kuma suna da rauni ga hauhawar farashin.An bayyana wannan a cikin Maris 2022 lokacin da farashin nickel ya ninka a cikin mako guda saboda kasuwancin kasuwa, yana yin kanun labarai.Duk da yake babban farashin yana nufin allunan nickel suna da tsada don amfani, wannan rashin daidaituwa yana haifar da ƙalubalen gudanarwa ga injiniyoyin ƙira kamar yadda canje-canjen farashin kwatsam na iya yin tasiri kwatsam ga riba.
A sakamakon haka, yawancin injiniyoyin ƙira yanzu suna shirye su maye gurbin Alloy 625 tare da wasu hanyoyi ko da yake sun san za su iya dogara da ingancinsa.Makullin shine don gano madaidaicin madaidaiciya tare da matakin da ya dace na juriya na lalata don tsarin ruwa na teku da kuma samar da abin da ya dace da kayan aikin injiniya.
Ɗaya daga cikin abubuwan da suka cancanta shine EN 1.4652, kuma aka sani da Outokumpu's Ultra 654 SMO.An dauke shi da bakin karfe mafi jure lalata a duniya.
Nickel Alloy 625 ya ƙunshi akalla 58% nickel, yayin da Ultra 654 ya ƙunshi 22%.Dukansu suna da kusan guda chromium da molybdenum abun ciki.A lokaci guda kuma, Ultra 654 SMO ya ƙunshi ƙaramin adadin nitrogen, manganese da jan ƙarfe, 625 alloy yana ɗauke da niobium da titanium, kuma farashinsa ya fi na nickel yawa.
A lokaci guda, yana wakiltar haɓaka mai mahimmanci akan 316L bakin karfe, wanda galibi ana la'akari da farkon farawa don babban aikin bakin karfe.
Dangane da aiki, gami yana da kyakkyawan juriya ga lalata gabaɗaya, juriya mai ƙarfi ga ramuka da lalata ɓarna, da juriya mai kyau ga lalata lalata.Duk da haka, idan aka zo ga tsarin ruwan teku, bakin karfe yana da gefen sama da alloy 625 saboda mafi girman juriya na chloride.
Ruwan teku yana da lalacewa sosai saboda yawan gishirin da ke cikinsa na sassa 18,000 zuwa 30,000 a kowace miliyan ions na chloride.Chlorides suna ba da haɗarin lalata sinadarai don makin ƙarfe da yawa.Duk da haka, kwayoyin halitta a cikin ruwan teku kuma na iya samar da biofilms wanda ke haifar da halayen lantarki da kuma tasiri ga aiki.
Tare da ƙananan abun ciki na nickel da molybdenum, haɗin gwal na Ultra 654 SMO yana ba da babban tanadin farashi akan babban ƙayyadaddun ƙayyadaddun 625 na al'ada yayin da yake kiyaye matakin aiki iri ɗaya.Wannan yawanci yana adana 30-40% na farashi.
Bugu da ƙari, ta hanyar rage abun ciki na abubuwa masu ƙima mai mahimmanci, bakin karfe kuma yana rage haɗarin haɓakawa a cikin kasuwar nickel.A sakamakon haka, masana'antun za su iya zama da tabbaci ga daidaiton shawarwarin ƙira da ƙididdiga.
Abubuwan injiniyoyi na kayan wani muhimmin abu ne ga injiniyoyi.Bututu, masu musayar zafi, da sauran tsarin dole ne su yi tsayin daka mai ƙarfi, yanayin zafi, da sau da yawa girgizar injin ko girgiza.Ultra 654 SMO yana da kyau a wannan yanki.Yana da babban ƙarfi kama da gami 625 kuma yana da mahimmanci fiye da sauran bakin karfe.
A lokaci guda, masana'antun suna buƙatar ƙayyadaddun kayan aiki da walda waɗanda ke ba da samarwa nan da nan kuma ana samun su cikin samfuran da ake so.
A wannan batun, wannan gami yana da kyakkyawan zaɓi saboda yana riƙe da tsari mai kyau da haɓakar ma'aunin austenitic na gargajiya, yana mai da shi manufa don yin ƙarfi, faranti mai saurin zafi.
Hakanan yana da kyakkyawan walƙiya kuma yana samuwa ta nau'i daban-daban ciki har da coils da zanen gado har zuwa 1000mm fadi da 0.5 zuwa 3mm ko 4 zuwa 6mm.
Wani fa'idar tsadar ita ce, gami yana da ƙarancin ƙima fiye da alloy 625 (8.0 vs. 8.5 kg/dm3).Duk da yake wannan bambance-bambancen bazai zama mahimmanci ba, yana rage tonnage da kashi 6%, wanda zai iya ceton ku kuɗi mai yawa lokacin siyan kuɗi da yawa don ayyukan kamar bututun gangar jikin.
A kan wannan, ƙananan ƙarancin yana nufin tsarin da aka gama zai zama mai sauƙi, yana sa ya fi sauƙi don aiki, ɗagawa da shigarwa.Wannan yana da amfani musamman a aikace-aikacen teku na ƙarƙashin ruwa da na ketare inda tsarin nauyi ya fi wuyar iyawa.
Yin la'akari da duk fasalulluka da fa'idodin Ultra 654 SMO - babban juriya na lalata da ƙarfin injina, kwanciyar hankali na farashi da daidaitaccen tsari - a fili yana da yuwuwar zama madadin gasa ga gami da nickel.