316 Ipayipi Lensimbi Engagqwali
Cishe 316L ipayipi yensimbi engagqwali
I-316L iyibanga lensimbi engagqwali, i-AISI 316L iyigama laseMelika elihambisanayo, kanti i-sus 316L iyigama lesiJapane elihambisanayo.ikhodi yedijithali ehlanganisiwe yezwe lami ithi S31603, ibanga elijwayelekile lithi 022Cr17Ni12Mo2 (izinga elisha), futhi ibanga elidala lithi 00Cr17Ni14Mo2, okusho ukuthi liqukethe ikakhulukazi i-Cr, Ni, kanye ne-Mo, futhi inombolo imele cishe amaphesenti.
I-carbon content of 316 ipayipi yensimbi engagqwali ingu-0.03, engasetshenziswa ezinhlelweni lapho ukucwiliswa ngemuva kwe-welding kungeke kwenziwe futhi ukumelana nokugqwala okuphezulu kuyadingeka.
I-316 kanye ne-317 yensimbi engagqwali (bona ngezansi ukuze uthole izakhiwo ze-317 stainless steel) yizinsimbi ezingenasici ezine-molybdenum.
Ukusebenza okuphelele kwaleli banga lensimbi kungcono kunalokhu kwe-310 kanye ne-304 yensimbi engagqwali.Ngaphansi kwezimo zokushisa eziphakeme, lapho ukuhlushwa kwe-sulfuric acid kungaphansi kuka-15% nangaphezulu kuka-85%, insimbi engagqwali engu-316 inezinhlobonhlobo zokusetshenziswa.
316 insimbi engagqwali, eyaziwa nangokuthi 00Cr17Ni14Mo2 ukugqwala ukumelana:
Ukumelana nokugqwala kungcono kunensimbi engagqwali engama-304, futhi inokumelana nokugqwala okuhle ekukhiqizeni uginindela nephepha.
I-carbide precipitation resistance ye-316 insimbi engagqwali ingcono kune-304 steel stainless, futhi izinga lokushisa elingenhla lingasetshenziswa.
316l ipayipi yensimbi engagqwali indinganiso kazwelonke
I-316L iyibanga lensimbi engagqwali, i-AISI 316L iyigama laseMelika elihambisanayo, kanti i-sus 316L iyigama lesiJapane elihambisanayo.ikhodi yedijithali ehlanganisiwe yezwe lami ithi S31603, ibanga elijwayelekile lithi 022Cr17Ni12Mo2 (izinga elisha), futhi ibanga elidala lithi 00Cr17Ni14Mo2, okusho ukuthi liqukethe ikakhulukazi i-Cr, Ni, kanye ne-Mo, futhi inombolo imele cishe amaphesenti.Izinga likazwelonke lithi GB/T 20878-2007 (inguqulo yamanje).
I-316L inezinhlobonhlobo zezicelo embonini yamakhemikhali ngenxa yokumelana nokugqwala okuhle kakhulu.I-316L futhi iphuma ku-18-8 uhlobo lwensimbi engagqwali ye-austenitic, futhi i-2 kuya ku-3% ye-Mo yengezwe.Ngesisekelo se-316L, amamaki amaningi ensimbi nawo atholakala.Isibonelo, i-316Ti itholakala ngemva kokwengeza inani elincane le-Ti, i-316N itholwa ngemva kokwengeza inani elincane le-N, futhi i-317L itholakala ngokukhuphula okuqukethwe kwe-Ni ne-Mo.
Iningi lama-316L akhona emakethe akhiqizwa ngokuya nge-American Standard.Ngenxa yezizathu zezindleko, izigayo zensimbi ngokuvamile zizama ukwehlisa okuqukethwe kwe-Ni kwemikhiqizo yazo kumkhawulo ophansi.Izinga laseMelika libeka ukuthi okuqukethwe kwe-Ni ku-316L kungu-10-14%, kuyilapho izinga laseJapane lithi okuqukethwe kwe-Ni ku-316L kungu-12-15%.Ngokwezinga eliphansi, kunomehluko ongu-2% kokuqukethwe kwe-Ni phakathi kwezinga laseMelika nezinga laseJapane, elikhulu kakhulu ngokwenani.Ngakho-ke, amakhasimende asadinga ukubona ngokucacile lapho ethenga imikhiqizo engu-316L, noma ngabe imikhiqizo ibhekisela kumazinga e-ASTM noma e-JIS.
Okuqukethwe kwe-Mo kwe-316L kwenza le nsimbi imelane kahle kakhulu nokugqwala kwe-pitting futhi ingasetshenziswa ngokuphepha ezindaweni eziqukethe i-Cl- namanye ama-halogen ions.Njengoba i-316L isetshenziselwa ikakhulukazi izakhiwo zayo zamakhemikhali, izigayo zensimbi zinezidingo eziphansi kancane zokuhlola indawo engu-316L (uma kuqhathaniswa no-304), futhi amakhasimende anezidingo eziphakeme eziphezulu kufanele aqinise ukuhlolwa kwendawo.
Ukugcinwa nokuhlanza insimbi engagqwali
Uma insimbi engagqwali ivezwa emoyeni isikhathi eside, nayo izongcola njenganoma yini enye.Ucwaningo luye lwabonisa ukuthi izindlela ezimbili ezihlukene zokugeza imvula nokugeza ngezandla kunobudlelwane obuthile nendawo engcolile yensimbi engagqwali.Okokuqala, faka i-slat yensimbi engagqwali emkhathini bese enye ku-canopy ukuze ubone umphumela wokugeza imvula.Inqubo yokusebenza yokukhuhla ngesandla ukusebenzisa isipontshi sokwenziwa esicwiliswe emanzini anensipho ukulungisa njalo ukuma kwama-slats, futhi isikhathi esiyizinyanga eziyisi-6 sokukhuhla.Ngenxa yalokho, lawo ma-slats ayengagezwanga eshedini ayenothuli oluncane kakhulu ebusweni bama-slats ashaywayo kunama-slats ayeshaywa ngazo zombili izindlela.Ngakho-ke, isikhathi sokuhlanza sensimbi engagqwali singase sithinteke yizici eziningi.Empilweni, singase sihlanze insimbi engagqwali kuphela lapho sihlanza ingilazi, kodwa uma insimbi engagqwali ingaphandle, kutuswa ukuyigeza kabili ngonyaka.
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