Izinto zokwakha

Amabhawodi ensimbi engagqwali angu-904L amabhawodi ensimbi engagqwali e-austenitic angaqinile akhiwe ngengxubevange equkethe i-chromium, i-nickel, i-molybdenum ne-nitrogen enokuqukethwe kwekhabhoni ekhawulelwe. Amabhawodi eStainless Steel 904L asetshenziselwa isevisi yezinga lokushisa eliphansi kanye nezindawo ezigqwalile kakhulu

Amawasha ayisicaba e-Inconel 625 anikeza ukumelana nokugqwala okuhle emazingeni okushisa aphakeme kanye nokuzinza kwezinga lokushisa eliphezulu ku-2200¡ãF. Aphinde agcine amandla azo futhi amelane nokushisa ngaphakathi nangaphandle kwezindawo ezonakalisayo. Lokhu kwenza lawa mawasha ayisicaba afaneleke ezinhlelweni zokusebenza ezisukela ezivinini zokushisa ukuya ekufakweni kwamanzi anosawoti.

I-AISI 904L Stainless Steel Hex Nuts iphuma nekhabhoni ephansi, ifika ku-0.02%, okwenza ukuthi imelane nokuzwela ngokushisela. Ngamanye amazwi, i-UNS S08904 Threaded Rod nezinye izisetshenziswa zezinga lensimbi elifanayo zimelana nokugqwala kwe-intergranular.

I-Inconel 625 Spring Washers iyingxubevange eyenziwe ngokwezentengiselwano enokuqukethwe kwekhabhoni ephansi ukuvikela ukumbozwa yikhabhoni ye-inter-granular emazingeni okushisa aphakeme. I-Inconel 625 Wire Spring Washers inezici eziwusizo emikhakheni embalwa, ikakhulukazi ukucubungula amakhemikhali kanye ne-electronics. Ama-Inconel 625 Flat Spring Washers ayaziwa nangokuthi isixazululo esiqinile esiqinisiwe kanye nezinto ezenziwe ngohwebo ezingahlanzekile.

Ama-Inconel 625 Stud Bolts asetshenziswa kakhulu ekupholiseni okujikelezayo nokushisisa izinhlelo zokusebenza. Ziwusizo ekusetshenzisweni kwe-welding kagesi ukumelana. Amabhawodi asetshenziswa ezindlini zezinjini, izakhiwo zekhekheba lezinyosi kanye nemigqa ye-hydraulic.

Amabhothi e-Duplex 2205 (EN 1.4462) enziwe ngensimbi engagqwali ye-austenitic-ferritic, eklanyelwe ukuletha amandla aphakeme nokumelana nokugqwala kunezinsimbi ezingama-300 eziwuchungechunge. Isiza abasebenzisi ukuthi bagweme ukuqhekeka kokugqwala kwengcindezi okubonakala ngokujwayelekile ngo-316 no-317. Amabhawodi e-Duplex 2205 ahlanganisa izimfanelo zokumelana nokuqhekeka kokugqwala kwengcindezi namandla aphezulu asuselwe ekubeni yingxubevange ye-ferritic kanye nekhono layo lokwenza i-austenitic.

Ingxubevange 2205 ithola igama elithi Duplex ngoba yakhiwe izinhlobo ezimbili ezihlukene zokusanhlamvu. I-40-50% yesakhiwo sayo sokusanhlamvu i-austenite futhi i-50-60% yayo i-ferrite. Ihlobene eduze, kodwa idume kakhulu kune-Alloy 255. Ezindaweni eziningi, idlula u-317L ekumelaneni nokugqwala kwe-crevice. I-2205 I-Duplex idlula kahle kakhulu endaweni ye-chloride futhi imelana ne-hydrogen sulfide. I-2205 Duplex inamandla acishe aphindwe kabili ka-316L. Ngenxa yokuqukethwe okuphansi kwe-nickel ne-molybdenum, kubiza kancane kune-Alloy C276. Phakathi kwezindawo lapho kusetshenziswa khona i-2205 Duplex ihlanganisa imikhumbi yokucindezela, izishintshisi zokushisa nezinhlelo zokukhuhla.

Insimbi engagqwali engu-904L isetshenziswa kabanzi ngezinhloso ezehlukene zezohwebo futhi yaziwa ngezindawo zayo zokumelana nokuhuzuka. I-AISI 904L Stainless Steel Hex Nuts iphuma nekhabhoni ephansi, ifika ku-0.02%, okwenza ukuthi imelane nokuzwela ngokushisela. Ngamanye amazwi, i-UNS S08904 Threaded Rod nezinye izisetshenziswa zezinga lensimbi elifanayo zimelana nokugqwala kwe-intergranular.

Amantongomane e-UNS S32205 (abuye aziwe njenge-S31803) akhiqizwa ngensimbi engagqwali yezinga eliphezulu i-duplex 2205. Njengoba le nto yakhiwe okungenani ngama-22% e-chromium, i-6% nickel kanye ne-3% ye-molybdenum ingakwazi ukumelana nezinhlobo ezimbalwa ezihlukile zokungaguquki kwemvelo ezinye izinsimbi ezingenakukwazi njengokugqwala, ukuqhekeka, ukuguguleka, ukugoba nokunye. Amantongomane angama-2205 ensimbi engagqwali ayi-Super duplex nawo ahlinzeka ngamandla aphindwe kabili uma kuqhathaniswa nensimbi engagqwali evamile.

Amawasha e-Duplex2205 ayizigaxa ezimbili ze-austentic-ferritic duplex fasteners enziwe nge-alloy equkethe i-chromium, i-nickel alloy ne-molybdenum enokuqukethwe kwekhabhoni ekhawulelwe kanye nobuncane be-PREN35, izibophelelo ze-SAF2205 zinokumelana nokugqwala okuhle kakhulu namandla aphezulu.

I-ASTM A479 Duplex Stainless Steel 1.4462 Punched Washers inokumelana ne-SCC egqama kakhulu ezicelweni eziningi ezibala amathangi amanzi ashisayo, amathange okuphisa, imboni yokukhipha usawoti kanye neplanti yenqubo. Ngokufanelekile, i-ASTM A479 Duplex Stainless Steel UNS S31803 Lock Washers ibonisa izakhiwo zazo zombili ingxubevange ye-ferritic ne-austenitic. Ama-Microstructures we-ASME SA 479 Duplex Steel UNS S32205 Flat Washers afaka inhlanganisela yezigaba ze-ferrite ne-austenite. I-ASTM A479 Duplex Steel UNS S31803 Washershas ukumelana nokugqwala okuvelele okujwayelekile ohlangeni olusabalele lwamakhemikhali agqwalayo aqukethe ama-acid ezimbonini nasolwandle.

I-Inconel 625 Amantongomane Okuzikhiya angase enziwe ngomgunyathi noma ashise asebenze ukunikeza izinga lokushisa ligcinwa ebangeni elingaba ngu-1800-2150 Degree C. I-Inconel 625 Nylon Insert Nuts iyi-superalloy esekwe ku-nickel enamandla amakhulu futhi imelana nokushisa okuphezulu.

I-Inconel 625 iyingxubevange esekelwe ku-nickel, kodwa amandla ayo aphezulu ngenxa yokwengezwa kwe-molybdenum ne-niobium ku-matrix yayo ye-nickel-chromium. I-Inconel 625 nayo, ngakho-ke, imelana nezinhlobonhlobo zezindawo ezigqwalile ezinobunzima obungavamile.

Ukucaciswa Kwekhava kwe-ASTM A453 Yezinga Lokushisa Eliphezulu Lokufaka i-Bolting esebenza ngokunwebeka ngokuqhathaniswa ne-Austenitic Stainless Steel. Enye yezinto ezivame ukusetshenziswa yi-grade 660 Bolts. Sikhiqiza ama-Stud Bolts, ama-Hex Bolt, ama-Expansion bolts, ama-threaded rods njll njengokusho kwe-A453 Grade 660 ku-Class A\/B\/C\/D, ehloselwe Izicelo Ezikhethekile Zobunjiniyela.

I-Duplex 2205 insimbi engagqwali (kokubili i-ferritic ne-austenitic) isetshenziswa kakhulu ezinhlelweni ezidinga ukumelana nokugqwala okuhle namandla. Leli banga linikeza ukumelana okuphezulu nokugqwala

I-ASTM A453 IBanga 660 iwukucaciswa kwezinto ezibonakalayo kwezikhonkwane, amabhawodi, amantongomane nezinye izinsimbi, ezihloselwe ukusetshenziswa ekufakweni kwebhawudi lokushisa eliphezulu. I-ASTM A453 IBanga 660 ihlukaniswe ngezigaba ezi-4 zezakhiwo okungukuthi A, B, C & D, ngalinye likhethwe ngezinto ezihlukene zokushuba nokugqashuka kwengcindezi. Ama-fasteners eBanga 660 asetshenziswa kuma-bolting boilers, imikhumbi yokucindezela, ama-flange amapayipi nama-valve, ahloselwe isevisi yokushisa okuphezulu. Izinto ze-ASTM A453 grade 660 zilingana ngamakhemikhali ne-ASTM B638 grade 660 stainless steel alloy, eyaziwa nangokuthi i-alloy A286 ne-UNS S66286, ukushisa kuphathwa ukuze kuzuzwe izakhiwo ezichazwe ku-ASTM A453.

Eyaziwa nangokuthi i-Alloy 625, ama-Inconel 625 hex bolts aziwa ngokukwazi kwawo ukugcina amandla awo futhi amelane nokushisa okungu-¨C kokubili ngaphakathi nangaphandle kwezindawo ezibolayo. Ukuba khona kwe-nickel ne-chromium kwenza i-Inconel 625 hex bolts corrosion, i-oxidation kanye ne-carburization imelane. I-molybdenum iletha amandla amahle kakhulu okukhathala kanye nokumelana nengcindezi, umgodi kanye nokuqhekeka kokugqwala kwe-crevice ngisho nalapho kuvezwe kuma-ion e-chloride.

Amabhawodi we-Inconel 625 hex asetshenziswa ezindaweni ezigqwalile. Ekusetshenzisweni kwamanzi olwandle, amabhawodi we-Inconel 625 hex ahlala ekhululekile emigodini nokugqwala kwemifantu. Lokhu kuyenza ilungele izicelo zasolwandle, imikhumbi-ngwenya kanye neNavy. Ukwengeza, amabhawodi we-Inconel 625 hex angasetshenziswa ezimeni ezehlukene ezidlulele ukusuka ezivinini zokushisa ukuya ezintweni zasolwandle.

Amabhawodi e-Inconel, njenge-Inconel 600, 601,625,686,718 & 725 bolts, awumndeni we-nickel-chromium-molybdenum alloys asetshenziselwa amandla awo aphezulu emazingeni okushisa aphakeme kanye nokumelana nokugqwala okuhle. Ngenxa yokuqina kwayo okushisayo okuphezulu, i-Inconel ingasetshenziswa emazingeni okushisa esevisi ukusuka ku-cryogenic kuya ku-2200¡ãF (982¡ãC). Okuqukethwe okuphezulu kwe-alloy yamabhawodi e-Inconel kuyenza ikwazi ukumelana nezinhlobonhlobo zezindawo ezigqwalile.

Ama-Inconel 625 Bolts asetshenziswa kakhulu ekupholiseni okujikelezayo nokushisisa izinhlelo zokusebenza. Ziwusizo ekusetshenzisweni kwe-welding kagesi ukumelana. Amabhawodi asetshenziswa ezindlini zezinjini, izakhiwo zekhekheba lezinyosi kanye nemigqa ye-hydraulic

I-Stainless Steel 321 Flanges yenziwe nge-titanium stabilized austenitic stainless steel. Impahla inokwakheka okufanayo nokokusebenza kwe-304 kodwa nge-titanium eyengeziwe. Lokhu kunikeza ama-flanges ukumelana nokugqwala okwengeziwe namandla.

I-Stainless Steel Din 1.4539 Nuts iyinsimbi engagqwali ye-austenitic engaqinisiwe enokuqukethwe kwekhabhoni ephansi, futhi ekwazi ukumelana nengcindezi yokuqhekeka kokugqwala kanye nokugqwala komfantu. Ukwengezwa kwethusi ku-Stainless Steel 904L Hex Nuts kuyinikeza izakhiwo ezimelana nokugqwala okuphakeme kunezinsimbi ezingenasici ze-chrome ezivamile, ikakhulukazi kune-sulphuric, phosphoric kanye ne-acetic acid.

904L hex nuts anezinga lokushisa eliphezulu lesevisi elingu-450 degree ¡æ . Izicelo ezijwayelekile zisebenzisa amandla okumelana nokugqwala kwala mantongomane e-Alloy 904L, lapho lokhu kuhlanganisa nezitshalo zokucubungula i-asidi, okokusebenza kokupholisa amanzi olwandle, ukusebenza kwe-plup nephepha, ukucwengwa kukawoyela, nezinto zokusebenza zemvelo.

I-904L Stainless ivame kakhulu kuma-alloys angu-¡°4% Molybdenum¡±. Yakhelwe ukuthi ibe ukuthuthukela ku-316L kanye ne-Alloy 20 ngaphandle kokungena ezindlekweni ze-Alloy C276. I-904L Stainless idlulwe ngokuduma ngama-alloys angu-¡°6% Molybdenum¡± afana ne-AL6XN?. Ukutholakala kwayo kubha eyindilinga kukhawulelwe kumasayizi wemethrikhi ngo-5mm increments. Ngakho-ke, amabhawodi anekhanda eliyi-inch-diameter-headed kubiza kakhulu ukuwakhiqiza.

Ibhawodi ye-Stainless Steel 904L iyilungu lomndeni wensimbi ye-alloy, egcina iphethe amaphesenti angu-10 kuya kwangu-30 e-chromium element. Lesi sakhi sinikeza ukumelana okunwetshiwe ekushiseni nasesimeni sokugqwala, njengoba siphansi ngengxenye yekhabhoni. Izinto ezikhethekile ezifana nesibabule, i-aluminium, ne-titanium zisebenza njengosekelo olukhulu lwamandla e-904L Stainless Steel Fasteners¡¯.

Ibhowodi yensimbi engagqwali ye-UNS N08904 stud iqinile futhi i-martensitic insimbi engagqwali enokumelana nokugqwala okufana ne-Type410, futhi inokuqukethwe kwekhabhoni ephezulu ukukhulisa amandla nobulukhuni ngaphezu kohlobo 410. Lawa mabhawodi ensimbi engagqwali e-DIN1.4539 angaqiniswa ngokwelashwa kokushisa, lapho ngokwesibonelo, into encishisiwe iye ku-4 inch bese ibamba idigri engu-72 ipholile.

Ama-stud bolts e-AISI 904L enziwa abe yi-ASTM A182 F904L impahla eyenziwe ngomgunyathi. I-AISI 904L stud bolts ikhiqizwa kusukela ku-ASTM A276\/A276M kanye ne-A479\/A479M yezimpawu zesitoko sebha. Lawa mabhawodi ensimbi engagqwali angu-904L akhiwe ngobukhulu obubhekiselwe kumazinga ahlukahlukene e-ASME\/DIN\/ISO\/UNI\/PN\/BS kanye namazinga e-BIS. Ama-stud bolt e-AISI 904L amakwe ngokufanelekile ukuze alandeleke.

Amawasha e-AISI904L ayizingxenye zohlobo lwendandatho eyisicaba ezacile eboshwe phakathi kwebhawodi namantongomane ukuze asabalalise ngokulinganayo umthwalo wezibophelelo ezinentambo. Izinhlobo Ezivamile zamawasha angu-904L zifaka i-plain flat, i-split lock, uhlobo lwe-spring, ama-waser amathebhu, ama-waser ayisikwele, i-square bevelled, i-hexagon shape wsher nokunye.

Amawasha angu-904L enziwe ngensimbi engagqwali engaqinile enekhabhoni ephezulu ye-austenitic. Ukwengezwa kwethusi kuleli banga kukwenza kube ngcono kakhulu ukumelana nama-acids anciphisa amandla, ikakhulukazi i-sulfuric acid. Iphinde imelane kakhulu nokuhlasela kwe-chloride ¨C kokubili ukugqwala kwe-pitting \/ ukugqwala nokuqhekeka kokugqwala kwengcindezi. Leli banga alinawo uzibuthe kuzo zonke izimo futhi linokushisela okuhle nokubukeka kahle. Isakhiwo se-austenitic sinikeza leli banga ukuqina okuhle kakhulu, ngisho naphansi kwamazinga okushisa e-cryogenic. Ngenxa yezakhiwo zayo ezingaphakathi zokulwa nokugqwala, i-904L ingenziwa ibe amabhawudi, amantongomane, amawasha, izikopelo, izikulufu zekhanda lesokhethi, kanye nezinhlobonhlobo zezinye izinsimbi.

I-904L Lock Washersal futhi inokumelana okuphezulu nokufaka izixazululo ze-chloride, ukumelana okuphezulu kukho kokubili ukuqhekeka nokugqwala kwengcindezi.