Ama-nickel alloy fasteners

I-Hastelloy C-2000 i-fastener, eyaziwa nangobuningi njenge-alloy C-2000, iyinhlangano eguquguqukayo ye-nickel-chromium-molybdenum alloy enokumelana kahle nokugqwala kokugqwala nokugqwala. I-C-2000 Fastener (uns N06200) ihlukile phakathi kwamanye ama-hastelloy alloys ane-1.6% yethusi engezwe ekwakhekeni kwamakhemikhali. Lezi zakhiwo zizenza zilungele izinhlelo zokusebenza ezifana nabashisi bokushisa kanye nokuphendula kwezimboni. I-Hastelloy C2000 Fasteners ihlanganisa ukumelana okuhle kakhulu ku-oxidizing media of C276 ngokumelana kahle nezimo ezingezona ze-oxidizing, okwenza kube yi-alloy eyingqayizivele yokuvikela imishini yenqubo yamakhemikhali ngaphansi kwezimo ezahlukahlukene, kufaka phakathi uketshezi olungcoliswe nge-iron ion.

I-Alloy B (UNS N10001) yathuthukiswa ukumelana ne-hydrochloric acid. IHastelloy B2 isithathe indawo yayo. Alloy b3 (uns n10675) ukuhluka okusha ngokuqina okuphezulu okushisayo. Lezi zimbotshana ze-alloy b2 ziyi-nickel nickel molybdenum alloy engasetshenziswa esimweni se-as-welded. Imelana kakhulu ne-hydrochloric acid yazo zonke izimo zokugxila kanye namazinga okushisa. Kwaziwa njenge-UNS N10665 Bolts, lezi zimbotshana nazo zimelana nokuqhekeka kokugqwala kwengcindezelo nokukhonkotha.

Ama-Locknuts angama-625 e-TONTECET ayaziwa ngokubekezelelana kwabo okuqinile nobukhulu obuqondile. I-Incon 625 nylon nati iyi-superalloy esekelwe e-nickel enezakhiwo eziphakeme eziphezulu kanye nokumelana okushisa okuphezulu.

Okuhlukanisa i-hastelloy B3 i-fastener evela kwangaphambilini kungukuhlelwa kwayo okuhle ngesikhathi sokuchayeka okuphakathi kwamazinga okushisa aphakathi (I.E. Imishini, ukwelashwa okushisa) ngenxa yokuqukethwe kwayo kwekhabhoni ephansi. Le alloy le-nickel-molybdenum livame ukutholakala kubha, ucingo, eshidi kanye nefomu lepuleti. Ama-hastelloy b-3 ama-fasteners asetshenziswa kakhulu ezindlini ze-vacuum kanye ne-petro \ imigqa yokukhiqiza amakhemikhali.

Kwakhiwa amabhulokhi angama-625 ngo-1960s njengezinto zokupheka zamapayipi ezifakwe emvula ukuze anikeze amandla aphezulu ngisho nangamazinga okushisa aphezulu asukela ekulweni namazinga okushisa aphansi afinyelela ku-1800¡ãf. Ama-bolts angama-625 angama-625, abizwa nangokuthi Alloy 625, ayaziwa ngekhono labo elimangalisayo lokugcina amandla nokuphikiswa ukushisa ngaphakathi nangaphandle kwezindawo ezilimazayo.

Izinsizakusebenza ze-Alloy eziyisisekelo ze-hastelloy C276 zihlanganisa izinsimbi ezinjenge-nickel, molybdenum ne-chromium. Ngaphezu kwalezi zinsimbi ezintathu, ama-hasteloy C276 ama-fasteners nawo ane-tungsten angeziwe. Kuyaziwa ukuthi ukungezwa kwe-tungsten kuya kuma-superlloys kungathuthukisa ukumelana nokugqwala kwama-alloys ezindaweni ezahlukahlukene ezinokhahlo. I-Hastelloy C-276 Alloy inokumelana kahle nezinhlobonhlobo zenqubo yamakhemikhali, kufaka phakathi ama-oxidising agents afana nama-forric nama-chuilides, ama-a a a a a a a a acid, i-acetic anhydric, i-acetic anhydride, amanzi olwandle ne-brine.

I-Monel K500 Bolts namantongomane asetshenziswa ezinhlotsheni ezahlukahlukene ngenxa yokumelana nokushisa kwawo okuphezulu, ukumelana nokuqina okuphezulu nokuqina. Kuyi-alloy ye-nickel-Copper enokwakheka kwe-63% nickel kanye ne-27% yethusi, phakathi kwezinye izinto.

I-Alloy 31 iyi-nickel, i-chromium ne-molybdenum insimbi engenacala nge-nitrogen nethusi. I-Alloy 31 iyi-iron-nickel-chromium-chromium-chromium-molybdenum alloy.

Alloy 725 (ANX N07725) yi-nickel-chromium-molybdenum-niobium alloy okuvimbela kakhulu kanye nobudala obukhuliswe kabili kumandla okushisa ama-annealed 625. Amandla we-Alloy 725 anyuswa ngokwelashwa okushisa kunokuba athole ukwelashwa okubandayo kunokuba athole ukwelashwa okubandayo kunokuba aphule ukwelashwa okubandayo kunokuba athole ukwelashwa okubandayo. Lokhu kunika namandla ezingxenyeni ezinkulu ezingalingani ezingakwazi ukuqiniswa umsebenzi obandayo. I-Alloy 725 isetshenziselwa ama-hanger, amalunga okufika kanye nama-fasteners aphezulu ezisekelweni zasolwandle.

Hastelloy x alloy (uns n06002; w.nr. 2.4665) Ingabe izinga lokushisa eliphakeme, i-matrix laqinisa, i-nicrfemo alloy emelana ne-oxidation axidation namandla amahle kakhulu. I-Hastelloy X Alloy yi-nickel-chromium-iron-molybdenum alloy enikezela ukumelana ne-oxidation enhle kanye namandla aphezulu okushisa ngenkathi kusalula ukwenza.

Ezinye izinhlelo zokusebenza ezijwayelekile ze-Alloy C22 Washers Flat Washers zifaka phakathi izinto zemishini ezinqubweni nasezinhlelweni ze-chloride ze-petrochemical ye-chloride nezinqubo usebenzisa i-halide noma i-catalysts ye-acid. I-Alloy C22 Washers eyindilinga ivimbela i-oxidation futhi yehlise ukugqwala kwamanzi. I-ALLOOY C22 imishini esetshenzisiwe isetshenziswa ekucutshungweni kwamakhemikhali, ama-bellows wokunwetshwa kanye nokusebenza kwamafutha enuzi, imishini yezimboni.

Ezinye zezimpawu ze-Alloy 31 yilezi: Ukumelana kahle nokugqwala kwabezindaba ze-phosphoric acid, ukumelana kahle nokuncipha kwemithombo ye-oxychlorine yokunciphisa kanye nokubilisa ukumelana ne-67% nitric acid.

Ama-hastelloy c-276 ama-fasteners neminye imikhiqizo emndenini we-haslol anokumelana kahle nokugqwala kanye noxidizing kanye nokunciphisa amakhemikhali. Ngenxa yokuguquguquka kwayo, i-hastelloy c-276 alloy ingasetshenziswa ezindaweni eziyinkinga futhi kungenzeka kwenzeke ezindaweni zenqubo. Ku-Hastelloy C276 Hex Bolts, okuqukethwe kwe-chromium kukhuphuke kuye cishe ama-21% kanti okuqukethwe kwe-molybdenum kuncishiswa kube yi-13%. I-Hastelloy C276 Duty Duty Hex bolts futhi ihlinzeka ngokuphikiswa okulungile ezindaweni ezihlangabezana nazo ekunciphiseni nasekunciphiseni izimo ezisetshenziselwa inqubo.

I-Alloy-20 iyinsimbi "enhle" engagqwali eyenzelwe ukumelana okuhle nokuhlaselwa kwe-acid. I-nickel yayo, i-chromium, okuqukethwe yi-molybdenum nokuqukethwe yithusi kunomthelela ekumelaneni kwayo okuphelele kokuqhekeka kokugqwala kwe-chloride ukuqhekeka nokuhlaselwa okujwayelekile okukhohlisayo. Cishe kungavikelekile ekuqhekekeni kwengcindezi yokuqhekeka. Imvamisa kutholakala kuma-mixers amakhemikhali kanye nemishini yokukhiqiza yomanyolo. Ngokuvamile, ngenye indlela yezomnotho ku-Alloy C276 nezinye izinto ezinokuqukethwe okuphezulu kwe-nickel.

Njengoba i-iron iyisifunda sayo esiningi kakhulu, ihlukaniswa njenge-super-autenite. Noma okuqukethwe kwe-nickel kwayo kungaphansi kwengxenye, uhlelo olungeyena luhlukanisa i-Alloy 20 njenge-alloy esekwe ku-nickel. I-Alloy 20 imelana ne-sulfuric acid eshisayo, kanti u-Alloy 20 uzinza nge-columbium ukunciphisa ukuhanjiswa kwemvula ngesikhathi se-welding. Inezakhiwo ezinhle kakhulu zemishini futhi ingakhiqizwa kalula. Yize i-alloy yenzelwe izimboni ezihlobene ne-sulfuric acid, isetshenziswa kabanzi embonini yamakhemikhali emhlabeni wonke.

Ukwakheka kwe-monel k500 fasteners kufaka i-carbon, i-aluminium engu-2.3%, i-manganese, i-silicon, i-iron, isibabule ne-titanium ngaphezu kwe-nickel nethusi. Yilolu khembi oluhlukile olunikeza impahla amandla alo aphakeme, ukumelana nokugqwala ngokweqile kanye nokuphumula. Izicelo zalawa ma-fasteners zifaka embonini ye-petroleor offshore, izinhlelo zokusebenza zamandla, ama-petrochemicals, amayunithi okuphatha igesi, amakhemikhali akhethekile, nokuningi.

I-Hastelloy C-276 iyi-alloy ethandwa kakhulu kithi ngenxa yokumelana kwayo okuphezulu okuphezulu ezindaweni ezahlukahlukene. Inokumelana okuhle kakhulu ku-oxidizing aquiding media media, kufaka phakathi i-chlorine emanzi kanye nokuxubanisa ama-aciding acising aqukethe ama-nitric noma ama-chloride ion.

I-Alloy B Ukuthandwa kwayo kuvinjelwe ukutholakala kwayo. Zonke lezi zinto zokwenziwa zilungele ukunciphisa ama-acid, kepha zilukhuni ngokulwa nama-aciding acise. Ngenxa yokuqukethwe okuphezulu kwe-molybdenum, le alloy iyabiza kakhulu kunamanye ama-alloys. Ngasikhathi sinye, inokumelana kahle nokugqwayiza okugxilwe kakhulu kwe-sulfuric acid kanye nama-acid ahlukahlukene angewona oxidizing, ukumelana kahle nokuqhekeka kwe-chloride ukuxabana kokuqhekeka (i-SCC), kanye nokumelana okuhle kuma-organi acid ahlukahlukene.

I-Incoloy A-286 iyi-aloy enobunzima yobudala-nickel-chromium eyenzelwe izinhlelo zokusebenza ezidinga amandla aphezulu kanye nokuphikiswa okuhle kokugqwala kumazinga okushisa afinyelela ku-700¡¡Ãc (1290¡ãf). Njengezinye izinto ezikhethekile emndenini we-Inconnel, ama-fasteners we-Incoloy A-286 anokumelana okuhle kakhulu kokugqwala futhi angenziwa abe ama-fasteners ahlukahlukene afaka ama-hesch ama-hex, ama-washer, amantongomane nama-stud.

Ama-Bolts Monel, anjenge-monel 400 no-K500, zenziwa nge-nickel-Copper alloys futhi akhombisa amandla aphezulu, ubulukhuni kanye nokuphikiswa okuhle kokugqwala ebangeni lokushisa elibanzi. Isici sokuma kwama-monel bolts ukumelana kwazo okuhle kwe-hydrofluoric acid, i-acid enzima kakhulu ukuphatha, kuyo yonke ukugxila kuze kufike endaweni ebilayo. Okwezinhlelo zokusebenza ze-hydrofluoric acid, ama-monel bolts mhlawumbe awonakalise kakhulu kuwo wonke ama-alloys akhethekile asetshenziswa kakhulu.

A286 (1.4980) Bolts, eyaziwa nangokuthi ama-bolts angama-alloy 660, ayi-alloy yensimbi engenasici, i-nickel ne-chromium. Ama-Bolts a-A286 ayaziwa ngamandla abo aphezulu, ukumelana nokumelana nokumelana nama-oxidation kumazinga okushisa aphakeme, uma nje ukhula lukhuni. Ngenxa yalokhu, ama-bolts a-A286 ahlinzeka ngamandla aphezulu kusuka ekushiseni kwegumbi kuya cishe 1300¡¡Ãf (700¡Ãc).

I-Hastelloy Nickel Alloy B2 iyi-alloy emelana namakhemikhali enokumelana okuphezulu ekuphathweni okuphezulu nokucindezelwa ukuqhekeka endaweni eshisayo endaweni ethintekile. Ikakhulu, le alloy isebenza kahle ezindaweni ezinokhahlo njenge-sulfuric acid, hydrogen chloride ne-phosphoric acid. I-Alloy B iyaziwa nangokuthi yi-WNR 2.4617 Bolts futhi sinikeza lezi zinhlobo zama-alloys kuwo wonke amabanga abonakalayo, ama-gauges nosayizi.

I-Incons 725 Bolt Material ihlangana ne-ASTM B446, B564, F467, F468, F467, ANS 56856, ukumelana nokushisa okuphezulu kanye nezicelo zokushisa eziphakeme kuze kube yi-1000O C (1800O F).

I-Nickel Alloy Fasteners e-HT Pipe China ^ 601, 625, 718, 718, 718, 718, I-Washerh, Washer Nut, Washer Nut, i-Washer, X, C22, B3, X, ^ C2000, C276 Stud Bolt, Hex Bolt, Threaded Rod, U-Bolt, Washel 400 no-Monel K500 Stud Bolt Co, Throud - - Zhengzhou Huitong Pipeline Equipment Co, Ltd.

Ama-bolts angama-725 angama-725 angama-alloy we-nickel, i-cobalt kanye ne-niobium okuvimbela ukuqina, okunzima futhi kuqine kakhulu. Amandla ale alloy anda ngokushisa ukwelashwa kokushisa ngobulukhuni obuphezulu ne-dectility ephezulu.

Ama-718 ama-bolts nawo anokumelana okuqinile ku-hydrogen emflittlement kanye nokuqhekeka kokugqwala kwengcindezelo. Ama-bolts we-Incon 718 asetshenziselwa izingono zokufika, izisekelo zemigodi ezibunjiwe eMinintwini kagesi omuncu, kanye namaphakethe aseceleni noma ama-hanger. Ngaphezu kwalokho, isetshenziswa emishini yamandla aphezulu noma amathuluzi ezicelo zasolwandle.

Njenge-Autenitic ne-Nickel-based Aloy, amantongomane angu-Alloy 926 awohloka ngaphezulu kwebanga lokushisa elivela kumazinga okushisa aphansi afinyelela ngaphezulu kuka-1000 degrees Cahrenheit (ama-degrees Celsius angaphezu kuka-538. I-Aunyartational ifana nama-alloys asuselwa ku-nickel, anama-bolts angu-alloy 926 angenziwa kalula futhi akhiwe kusetshenziswa amasu ahlukahlukene.

I-Alloy 926 iyinsimbi e-suuntenitic ye-molybdenum engenacala ngokumelana kahle nezinhlobonhlobo zezindawo ezilimazayo. Inhlanganisela ye-molybdenum ne-nitrogen ekwakhiweni kwayo kumelana nokugqwala okukhohlisayo kanye ne-crevice, ngenkathi ithusi lithuthukisa ukumelana ne-sulfuric acid, kuyilapho i-nitrogen inyusa isivuno namandla ashubile.

Izikopelo ze-Alloy K500 zinezinduku ze-threaded ngentambo zombili iziphetho. Zingaba izinhlobo ezahlukene ngokuya ngebanga lentambo kusuka enkabeni nasekuthandweni kohlobo. Okuqukethwe akumelani nokushisa okuphezulu kanye nengcindezi ephezulu. Inendawo yokuncibilika yama-degree ayi-1350 Celsius, amandla amancane wesivuno angama-790MPA kanye namandla ashubile angu-1100MPA. Lawa magugu aqine kabili njengezinga 304.

Sikhiqiza ikhwalithi ephezulu ye-Alloy 20 Bolts ku-ASTM \ ASME \ ama-Din Standards kanye nemininingwane. I-Alloy 20, eyaziwa nangokuthi "Umbazi 20" kanye ne- "20CB-3", iyi-nickel-chromium-molybdenum esingenacala aklanyelwe izinhlelo zokusebenza ze-sulfuric acid. Ukumelana kwalo kokugqwala nakho kuyaziboleka kokunye ukusetshenziswa okuningi kwamakhemikhali, ukudla, amakhambi kanye nezimboni zepulasitiki. Enye yezizathu eziphambili ukuthi ama-fasteners angama-alloy ajwayelekile ukuthi amelana nokugqwala okukholweni nokukhonkotha kwe-chloride, futhi okuqukethwe yithusi kwawo akuvikela ku-sulfuric acid.