+86-13790009097 
Izindaba
01
I-QN1803 Insimbi Engagqwali: Enye Ukusebenza Okuphezulu Okuhlukile kokuthi 304
2025-06-12
Uhlolojikelele: I-QN1803 (ebuye ibizwe nge-304D noma ibanga 1.4376) iyinsimbi esanda kwakhiwa ye-austenitic engagqwali evela e-Tsingshan/Qingtuo. Yakhiwe nge-nitrogen ephezulu, i-chromium ephezulu nethusi, kanye nokuqukethwe kwe-nickel encishisiwe ukuletha amandla aphezulu kanye nokumelana nokugqwala ngezindleko eziphansikunokujwayelekile 304. I-QN1803 ichazwa “njengenye indlela engabizi kakhulu kuneyendabuko 304 Insimbi Engagqwali,” umnikelo"ukumelana nokugqwala okuphezulu, amandla aphezulu, nokumelana nokugqokwa okuhle kakhulu". Idizayini yayo ene-nitrogen ephezulu, ene-nickel ephansi yehlisa izindleko ze-alloy ngaphandle kokuphazamisa ukusebenza. Ingxubevange kulula ukuyicubungula nokuyishisela, futhi ihlangabezana nezindinganiso zamazwe ngamazwe kanye nezitifiketi zebanga lokudla, okuyenza ifanelekele ukuthekelisa emhlabeni jikelele.
I-High-Nitrogen, Ukwakheka kwe-Nickel-Saving Alloy
Ikhemistri ye-QN1803 yakhelwe ukusebenza kahle kanye nokusebenza kahle kwezindleko. Iqukethe Cr 17.5–19.5%, Ngo-1.0–3.5%, futhi N 0.20–0.30%, nge Hhayi ngisho no-2.0–3.5% (uma kuqhathaniswa no-~8% kuma-304). Ngokuphambene, insimbi engu-304 ingu-~18% Cr, 8% Ni, ~0.045% N, kanye no-~0.1% Cu. I-nitrogen eyengeziwe kanye ne-chromium kuqinisa amandla kanye nokumelana nokugoba, kuyilapho ithusi elingeziwe linikeza izakhiwo ezilwa namagciwane kanye nokwakheka okungcono. Okuqukethwe kwe-nickel ephansi (kanye ne-manganese emaphakathi) kunciphisa kakhulu izindleko zezinto. Ngamafuphi, ama-QN1803's ifomula ephezulu yokonga ikhiqiza insimbi engagqwali enokugqwala kanye nezici zemishini ezilingana noma ezingcono kune-304 ngenani eliphansi le-alloy.
Amandla Emishini Nokuqina
Imifanekiso ye-QN1803 izakhiwo eziphakeme zemishini uma kuqhathaniswa nokungu-304. Amanani ajwayelekile eshidi eligoqeka ngokubanda (0.5 mm) yilawa: amandla aqinile ~747 MPa vs 670 MPa kokungu-304, namandla esivuno ~432 MPa vs 290 MPa. Ukuqina kuphakeme ngokufanayo (HV 230 vs 165). Ubude buhlala buphezulu (≈52% vs 59% kokungu-304) naphezu kokuqina kwamandla. Ngokwezinto ezibonakalayo, isivuno se-QN1803 simayelana 1.3× lokho kuka-304 ngenkathi igcina i-ductility (i-elongation ≥45%). Umphumela uba into eqinile, enokukhathala kanye nengagugi. Iphinde ishise futhi yakheke kahle: amandla e-post-weld afanayo noma adlule ama-304, futhi ukwakheka okubandayo akukwehlisi ukumelana nokugqwala.
Idatha Yemishini Ebalulekile:
-
Amandla Okuqina: ~747 MPa (vs 670 MPa kokungu-304).
-
Amandla Okukhiqiza: ~432 MPa (vs 290 MPa).
-
Ubude: ~52% (vs 58.5%).
-
Ukuqina: I-HV230 (vs HV165).
I-Superior Corrosion Resistance
Ingxubevange ikhiqiza i-Cr ne-N ephezulu ukusebenza kahle kokugqwala. I-QN1803's Pitting Resistance Equivalent Number (PREN) idlula i-19, ihambisana noma idlula ukumelana kwe-304 (PREN≈18.5). Ezivivinyweni ezijwayelekile, i-QN1803 ikhombisa ngisho kangcono ukumelana nokugqwala ngemva kokwakheka okubandayo (ukugoba, ukunyathela, njll.) uma kuqhathaniswa ne-304. Imelana kakhulu ne-dilute acids (HCl, H₂SO₄) nezindawo ezine-chloride. Isibonelo, ekuhlolweni kwe-salt-spray (NSS) engathathi hlangothi ngamazinga e-GB/T, I-QN1803 ayizange ibonise ukugqwala okubonakalayo ngemva kwamahora angu-1000. Esivivinyweni esifanayo i-304 ijwayele ukuqala ukugqwala. Lokhu kubekezelela okuphakeme kwesifutho sikasawoti kugcizelela ukwethembeka kwe-QN1803 ezimweni ezinzima zangaphandle noma zasolwandle.
Idatha Yokugqwala:
-
INKUNZI: >19.0 (304 ino-≈18.5).
-
Ukumelana ne-Salt-spray: Akukho ukugqwala ngemva kokuhlolwa kwe-NSS okungu-1000.
-
I-Acid/Chloride: Kufakazelwe iyunifomu engcono kanye nokumelana komgodi kuno-304, ngisho nangemva kokwakhiwa
Ukuphepha Kwebanga Lokudla kanye Nezakhiwo Ezilwa Namagciwane
I-QN1803 iphephe ngokuphelele ekudleni futhi inikeza ngisho nomphumela we-antibacterial eyakhelwe ngaphakathi. Ukuhlanzeka okuphezulu namazinga aphansi e-heavy-metal ahlangabezana namazinga e-EU, i-LFGB yesiJalimane kanye ne-JIS ye-kitchenware nempahla yokudla. Ingxube yethusi (~1–3.5%) inika isenzo esinamandla se-antimicrobial: ukuhlola kubonisa izinga>>99.9% lokuvala inzalo phakathi kwamahora angu-4 (okujwayelekile kwe-JIS). Ihlanganiswe nokumelana nokugqwala okuhle kakhulu kuma-acids/usawoti okudla ajwayelekile, i-QN1803 ilungele amakhishi, izinto zokupheka, osinki namadrayini aphansi. Isibonelo, i-QN1803 iphumelela izivivinyo zokufuduka kuzwelonke zezinsimbi ezisindayo futhi idlule ama-304 ekuphikisweni kwe-asidi enosawoti ebuthakathaka. Emathangeni amanzi kanye nezinhlelo zokuhlanzeka, ithusi lisiza futhi ukuvimbela ukukhula kwamagciwane, okwenza amanzi agcinwe abe nempilo.
Umfanekiso: Isethi yokupheka yensimbi engagqwali. Ukumelana nokugqwala okuphezulu kwe-QN1803 kanye nokuqukethwe kwe-alloy yethusi kuhlangabezana nezindinganiso eziqinile zebanga lokudla kanye ne-antibacterial (JIS/EU/LFGB) ekhishini nemikhiqizo yenhlanzeko.
Izicelo kanye Nezimo Zokusebenzisa
Inhlanganisela yamandla ye-QN1803, ukumelana nokugqwala kanye nokusebenza kahle kwezindleko kuyenza ibe nezinto ezihlukahlukene ezimbonini eziningi. Isivele isetshenziselwa:
Ukwakhiwa Nezakhiwo: Uphahla, amaphaneli odonga, izindonga zamakhethini kanye nokuhlobisa okuhlotshisiwe kuyazuza emandleni aphezulu e-QN1803 nokumelana nesimo sezulu. Amandla esivuno esiphezulu (adlula amamaki ensimbi athambile) avumela amaphaneli egeji alula.
Amapayipi kanye nengqalasizinda: Amapayipi okukhipha indle nawokucima umlilo, amapayipi amanzi, amapayipi amanzi kanye nezinhlelo zokukhuculula indle zithola ukuphila isikhathi eside ngenxa yokungavikeleki kwensimbi ekugqwaleni kanye nokugqwala kwe-asidi. Emapayipini egesi noma emibhoshongweni ye-desulfurization, i-QN1803 imelana nokugqwala okuqukethe isulfure kangcono kakhulu kuno-304.
Ukugcina Amanzi Nokulima: Amathangi, amachibi kanye nezakhiwo zokulima zasolwandle zisebenzisa i-QN1803 ngokuqukethwe kwayo kwethusi elilwa namagciwane kanye nokuqina kwamanzi anosawoti. Amandla ayo aphinde asekele imithwalo esindayo emishinini yemfuyo.
Ikhishi nezinto zikagesi: Ama-countertops, osinki, izinto zokupheka, nemishini yokudla ithanda i-QN1803 ngokuphepha kwayo kwebanga lokudla. Ibekezelela ama-asidi abuthakathaka kanye nezindawo zasekhishini ezinosawoti ezinosawoti ezingcono kune-304, futhi ihlangabezana nezindinganiso zamazwe ngamazwe zokuhlanzeka.
Imikhiqizo Yabathengi Nezohwebo: Izicabha zezingxenyekazi zekhompuyutha, amaphaneli ezikheshi, namahinge okuhlobisa noma ojantshi basebenzisa ubulukhuni obuphakeme be-QN1803 nokumelana nokugqokwa. Uma kuqhathaniswa no-304 ekusetshenzisweni komnyango/kwesango, i-QN1803 igcina isiphetho nesimo ngaphansi komthelela kanye nemithwalo yomoya. Iphinde ishisele futhi ipholishe kahle izinto zikagesi neziqukathi zokuthutha.
Umfanekiso: Ihadiwe lesango lensimbi engagqwali. I-QN1803 inikezela ngobulukhuni obuphakeme namandla kuno-304 wezingxenyekazi zekhompiyutha zezakhiwo nezohwebo, kuyilapho inikeza ukumelana nokugqwala okuphakeme ezindaweni ezingaphandle.
Izinzuzo Over 304 Stainless Steel
Uma kuqhathaniswa ne-304 evamile, i-QN1803 iletha ukuthuthukiswa okuphawulekayo ezindaweni ezibalulekile:
Izici zikaMechanical: Njengoba kuphawuliwe, amandla ayo okuqina namandla esivuno acishe abe ngu-15–30% ngaphezu kwama-304. Ukuqina nempilo yokukhathala nakho kuyathuthukiswa, okuvumela izigaba ezizacile noma izingxenye ezilula ekusebenzeni okufanayo.
Ukusebenza kweCorrosion: I-QN1803 ifana noma idlula ukumelana nokugqwala kwe-304 kukho konke ukuhlolwa. I-PREN yayo ephakeme kanye nokumelana ne-sulfuric/chloride kusho ukuthi idlula i-304 ikakhulukazi ezimeni ezinolaka noma ezakhiwe. Imelana nokugqwala kwemigodi kanye nokugqwala ngisho nasekhishini nasemkhathini wasolwandle, okuyenza ibe ukukhetha okuqinile ekusetshenzisweni kwangaphandle nokuhlobene nokudla.
Ukusebenza Kwezindleko: Ngenxa ye-nickel ephansi kanye ne-nitrogen/copper ephakeme, i-QN1803 ingabiza kufika ku-~20% ngaphansi kuka-304 ngethani (kuya ngemakethe) kuyilapho inikeza ukusebenza okulinganayo noma okungcono. Abahlaziyi baphawula ukuthi “okungenziwa yi-304, i-304D nayo ingakwenza, futhi intengo ishibhe kakhulu”. Izindleko eziphansi ze-alloy nokuphila kwengxenye ende kuhumusha ekwehliseni ingqikithi yezindleko zobunikazi.
Ukudla/Ukuphepha Kwezempilo: I-QN1803 iqinisekiswe ukusetshenziswa kokuxhumana nokudla. Ukwakheka kwayo okuthuthukisiwe, okuhlanzeke kakhulu kudlula ukuhlolwa okuqinile kwe-antibacterial kanye nokufuduka (EU, JIS, LFGB), amanye amamaki angama-304 angeke akwazi. Lokhu kuyenza ihehe ikakhulukazi izicelo zasekhishini, zenhlanzeko nezamanzi ezidinga ukuphepha okuqinisekisiwe.
Ngokufigqiwe, I-QN1803/304D insimbi engagqwali inikeza onjiniyela nochwepheshe bokuthenga impahla esebenza kahle kakhulu, ephephile ekudleni, neyonga imali. Inhlanganisela yayo high nitrogen alloying, high Cr/Cu, medium Ni ikunika amandla okusebenza kanye nokumelana nokugqwala okuhlangabezana noma okudlula ama-304, kuyilapho yonga ezindlekweni ze-nickel. Ukwethembeka okuqinisekisiwe kwengxubevange ekuhlolweni kwamazinga omhlaba (i-NSS 1000h, i-JIS antibacterial, njll.) kanye nobubanzi bayo bokusebenza okubanzi kuyenza ibe enye indlela ehlukile yemikhiqizo yesimanje yensimbi engagqwali.