Abantu bavame ukucabanga ukuthi omazibuthe bamunca insimbi engagqwali ukuze baqinisekise ikhwalithi nobuqiniso bayo. Uma ingakhangi imikhiqizo engeyona i-magnetic, ibhekwa njengento enhle neyiqiniso; uma iheha omazibuthe, ithathwa njengengamanga. Eqinisweni, lena indlela ewuhlangothi olulodwa ngokwedlulele, engelona iqiniso futhi engalungile yokuhlonza.
Kunezinhlobo eziningi zensimbi engagqwali, ezingahlukaniswa ngezigaba eziningana ngokuya ngesakhiwo sabo senhlangano ekamelweni lokushisa:
1. Uhlobo lwe-Austenitic: njenge-304, 321, 316, 310, njll.;
2. I-Martensite noma uhlobo lwe-ferrite: njenge-430, 420, 410, njll.;
I-Austenite ayiwona uzibuthe noma ikazibuthe ebuthakathaka, kuyilapho i-martensite noma i-ferrite iyizibuthe.
Iningi lensimbi engagqwali evame ukusetshenziselwa amashidi amashubhu okuhlobisa i-austenitic 304 material. Ngokuvamile, ayiyona i-magnetic noma ayinamandla kazibuthe. Kodwa-ke, ngenxa yokuguquguquka kokwakheka kwamakhemikhali ngenxa yokuncibilika noma izimo ezihlukile zokucubungula, i-magnetism ingase iphinde yenzeke, kodwa lokhu akukwazi ukubhekwa njenge-Counterfeit noma okungafanelekile, siyini isizathu?
Njengoba kushiwo ngenhla, i-austenite ayiyona i-magnetic noma inozibuthe ebuthakathaka, kuyilapho i-martensite noma i-ferrite inguzibuthe. Ngenxa yokuhlukaniswa kwezingxenye noma ukwelashwa okungalungile kokushisa ngesikhathi sokuncibilika, inani elincane le-martensite noma i-ferrite ku-austenitic 304 insimbi engagqwali izobangelwa. izicubu zomzimba. Ngale ndlela, insimbi engagqwali engu-304 izoba ne-magnetism ebuthakathaka.
Ngaphezu kwalokho, ngemva kokusebenza okubandayo kwensimbi engagqwali engu-304, isakhiwo senhlangano sizoshintsha sibe yi-martensite. Izinga elikhulu lokuwohloka kokusebenza okubandayo, ukuguqulwa kwe-martensitic, kanye namandla kazibuthe wensimbi. Njengenombolo yenqwaba yemicu yensimbi,ΦAmapayipi angama-76 akhiqizwa. Akukho ukungeniswa kwamagnetic okusobala, futhiΦ9.5 amapayipi akhiqizwa. Ngenxa yokuthi i-deformation egobayo inkulu, ukungeniswa kazibuthe kuzoba sobala kakhulu. I-deformation ye-square rectangular tube inkulu kunaleyo ye-tube eyindilinga, ikakhulukazi ingxenye yekhoneni, ukuguqulwa kunamandla kakhulu futhi i-magnetism ibonakala kakhulu.
Ukuze kuqedwe ngokuphelele i-magnetism ye-304 yensimbi ebangelwa izizathu ezingenhla, isakhiwo se-austenite esizinzile singabuyiselwa ngokusebenzisa ukwelashwa kwesisombululo esiphezulu sokushisa, ngaleyo ndlela kuqedwe i-magnetism.
Ikakhulukazi, kufanele kuboniswe ukuthi i-magnetism ye-304 yensimbi engagqwali ngenxa yezizathu ezingenhla ayikho ezingeni elifanayo ne-magnetism yezinye izinto zensimbi ezingenasici, njenge-430 ne-carbon steel. Ngamanye amazwi, i-magnetism ye-304 steel ihlale ibonisa i-magnetism ebuthakathaka.
Lokhu kusitshela ukuthi uma insimbi engagqwali inozibuthe obuthakathaka noma ingenawo nhlobo uzibuthe, kufanele ikhonjwe njengezinto ezingama-304 noma ezingama-316; uma inozibuthe ofanayo ne-carbon steel futhi ikhombisa uzibuthe oqinile, kufanele ikhonjwe njengokungeyona into engu-304.
I-Jindalai Steel Groupbasikisela ukuthi lapho uthenga imikhiqizo yensimbi engagqwali, kufanele ukhethe imikhiqizo evela kubakhiqizi abahloniphekile. Ungahaleli amanani ashibhile futhi uqaphele ukukhohliswa. I-Jindalai Steel Group iyimboni enkulu yensimbi engagqwali kanye nebhizinisi lezohwebo elihlanganisa amapuleti ensimbi engagqwali, ukucubungula, ukugcina nokusabalalisa. Ngokuthembela ekuthembekeni nasekusizeni ozakwabo ekhaya naphesheya, inkampani isikhule yaba enye yezinkampani ezinkulu ezihlanganisa ukukhiqiza nokuhweba embonini yensimbi engagqwali ngemva kweminyaka engaphezu kweshumi yentuthuko nokukhula.
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Isikhathi sokuthumela: Nov-13-2023