201 insimbi engagqwali uchungechunge 200 austenitic insimbi engagqwali ethuthukiswe ngokufaka nickel esikhundleni manganese, nitrogen nezinye izakhi. Inokumelana nokugqwala okuhle kanye nemisebenzi yokucubungula ukushisa nokubandayo, okwanele ukufaka esikhundleni samadolobha angaphakathi, angaphakathi nezwe kanye nokusetshenziswa kwangaphandle. Imikhiqizo yensimbi engagqwali engama-304 esetshenziswa ezindaweni ezigqwalile.
Ngenxa yokuthi intengo ye-nickel iyaqhubeka nokuguquguquka, abakhiqizi abaningi bafuna enye imikhiqizo ye-austenitic stainless steel enemisebenzi efanayo ne-304 yensimbi engagqwali. Ekuqaleni kwawo-1930, insimbi yokuqala ye-chromium-manganese austenitic yakhiqizwa, futhi i-manganese ensimbi yathatha indawo ye-nickel. Ngemva kwalokho, ucwaningo olwengeziwe lwenziwa mayelana nesabelo sokubunjwa okuningiliziwe, i-nitrogen nethusi yasetshenziswa, futhi izakhi ezifana nekhabhoni nesibabule, ezithinte kakhulu umsebenzi wedatha, njll., ekugcineni zenza uchungechunge lwe-200 lutholakale.
Njengamanje, izinhlobo eziyinhloko zochungechunge lwe-stainless steel 200 yilezi: J1, J3, J4, 201, 202. Kukhona futhi amamaki ensimbi angu-200 anokulawula okuphansi kokuqukethwe kwe-nickel. Ngokuqondene no-201C, iyizinga lensimbi engu-201 elakhiwe yimboni yensimbi eyodwa eShayina esikhathini esizayo. Uphawu lokuthengisa olujwayelekile lukazwelonke lwakwa-201 ngu: 1Cr17Mn6Ni5N. I-201C iyaqhubeka ngesisekelo sokuthi 201 Yehlisa okuqukethwe kwe-nickel futhi wengeze okuqukethwe kwe-manganese.
201 ukusetshenziswa kwensimbi engagqwali
Ngenxa yokuthi insimbi engagqwali engu-201 inezici zokumelana ne-asidi, ukumelana ne-alkali, ukuminyana okuphezulu, ukucwebezelisa ngaphandle kwamabhamuza, futhi ayinazo izimbobo, ifaneleka kakhulu ukukhiqiza amacala ahlukahlukene kanye nesembozo sangaphansi esiyibhande, kanti ezinye eziningi zisetshenziselwa ukuhlobisa amapayipi, Amanye angashoni adonswa. imikhiqizo yamapayipi ezimboni.
201 ukwakheka kwamakhemikhali ensimbi engagqwali
Izakhi ze-201 zensimbi engagqwali zine-manganese ne-nitrogen esikhundleni senye noma yonke into ye-nickel. Ngenxa yokuthi ingase ikhiqize okuqukethwe kwe-nickel ephansi futhi i-ferrite ayilingani, okuqukethwe kwe-ferrochrome ochungechungeni lwe-200 yensimbi engagqwali yehliswa ibe ngu-15% -16 %, Ezinye izimo zehle zafika ku-13% -14%, ngakho-ke ukumelana nokugqwala kochungechunge lwe-200 olungenasici. insimbi ayikwazi ukuqhathaniswa ne-304 noma ezinye izinsimbi ezingenasici ezifanayo. Ukwengeza, ngaphansi kwezimo ze-acidic ezivamile ezingxenyeni ezigqwalile zendawo yokuqoqa kanye negebe, umphumela we-manganese nethusi uzoncishiswa kanye nomphumela wokuphinda udlule ngaphansi kwezimo ezithile. Izinga lomonakalo wensimbi engagqwali ye-chromium-manganese ngaphansi kwalezi zimo cishe izikhathi eziyi-10-100 kunezingu-304 zensimbi engagqwali. Futhi ngenxa yokuthi ekwenzeni ukukhiqiza ngokuvamile akukwazi ukulawula ngokunembile okuqukethwe kwesibabule nekhabhoni okusele kulezi zinsimbi, idatha ayikwazi ukulandelelwa futhi ilandelelwe, ngisho nalapho idatha itholakele. Ngakho-ke uma kungashiwongo ukuthi ayizinsimbi ze-chromium-manganese, zizoba ingxube yensimbi eyizingcucu eyingozi kakhulu, ezokwenza ukuthi ukulingisa kuqukathe okuqukethwe okuphezulu kwe-manganese ngokungalindelekile. Ngakho-ke, lezi zinsimbi ezingenasici kanye nochungechunge lwama-stainless steels angama-300 akufanele kushintshwe noma kushintshwe. Laba bobabili basezingeni elifanayo ngokuphelele mayelana nokumelana nokugqwala.
Isikhathi sokuthumela: Jan-19-2020