Ukubuka: 0 Umbhali: Isikhathi Sokushicilela Isihleli Sesayithi: 2025-09-08 Umsuka: Isayithi
Uhlobo Lwensimbi Engagqwali |
Iphesenti Lokukhiqiza Lomhlaba Wonke |
|---|---|
I-Austenitic |
70% |
Amabanga 304 no 316 asetshenziswa kakhulu. Ibanga lama-304 litholakala emathulusini asekhishini nasezintweni zokwakha. Ibanga lama-316 lilungele izikebhe namathuluzi ezokwelapha. Ukukhetha uhlobo olufanele kanye nebanga kubalulekile. Kukusiza ukuthi uthole imiphumela engcono kakhulu yephrojekthi yakho. Inkampani yethu ithi kufanele ukhethe izinto ezihambisana nezidingo zakho ngaso sonke isikhathi.
Insimbi engagqwali iza ngezinhlobo ezine eziyinhloko. Lezi yi-Austenitic, Ferritic, Martensitic, neDuplex. Uhlobo ngalunye lunezici ezikhethekile. Lezi zici zisiza emisebenzini ehlukene.
Insimbi engagqwali ye-Austenitic iwuhlobo olusetshenziswa kakhulu. Yenza cishe u-70% wazo zonke insimbi engagqwali eyenziwe. Isebenza kahle kumathuluzi ekhishi. Kuhle futhi emsebenzini wamakhemikhali. Lokhu kungenxa yokuthi ayigqwali kalula.
Ukukhetha izinga elifanele lensimbi engagqwali kubalulekile. Isibonelo, sebenzisa u-304 emakhishini. Sebenzisa u-316 ezintweni eziseduze nolwandle. Lokhu kusiza iphrojekthi yakho ukuthi ihlale isikhathi eside futhi isebenze kangcono.
Insimbi engagqwali yeFerritic ibiza kancane. Iphinde ibe kazibuthe. Lokhu kwenza kube kuhle ezingxenyeni zemoto nemishini yasekhaya. Insimbi engagqwali ye-Martensitic inamandla kakhulu futhi iqinile. Kuhle kakhulu ukwenza amathuluzi nama-blades.
I-Duplex insimbi engagqwali ixuba izingxenye ezihamba phambili zezinhlobo ze-Austenitic ne-Ferritic. Inamandla kakhulu futhi ayigqwali kalula. Lokhu kwenza kube kuhle ezindaweni eziqinile njengolwandle.
Insimbi engagqwali kulula ukuyibona. Uyibona kosinki, ezimotweni nasemabhulohweni. Insimbi engagqwali iyingxube yensimbi. Ayigqwali noma ayichaphazeli kalula. Inensimbi nezinye izakhi. Lokhu kuyenza iqine futhi icwebezele. Abantu basebenzisa insimbi engagqwali ngoba ilwa nokugqwala. Ihlala isikhathi eside ezindaweni ezinzima.
Insimbi engagqwali ikhethekile ngenxa yengxube yayo. Ungeza izakhi ensimbi ukuze ukwenze. I-elementi ngayinye ishintsha indlela esebenza ngayo. Nazi izinto eziyinhloko ze-alloying kunsimbi engagqwali:
I-Chromium (Cr): Udinga okungenani i-chromium engu-10.5%. Yenza ungqimba oluncane oluvimba ukugqwala.
I-Nickel (Ni): Uvame ukubona i-nickel engu-8-10%. Isiza insimbi engagqwali ukuthi ihlale iqinile futhi igobile.
I-Molybdenum (Mo): I-Molybdenum isiza insimbi engagqwali ukumelana nokulimala okuvela kusawoti namakhemikhali.
Ikhabhoni (C): Ikhabhoni yenza insimbi engagqwali ibe nzima futhi iqine. Ikhabhoni eningi ingehlisa indlela elwa ngayo nokugqwala.
I-nitrogen (N): I-nitrogen yenza insimbi engagqwali ibe namandla futhi isiza ukuyeka ukubhoboza.
I-Manganese (Mn): I-Manganese isiza insimbi engagqwali ukuthi igcine ukwakheka kwayo futhi ixube ne-nitrogen.
I-Copper (Cu): I-Copper isiza insimbi engagqwali ukumelana nama-acid athile.
I-Tungsten (W): I-Tungsten isiza insimbi engagqwali ukuthi imelane nokubhoboza.
I-Zirconium (Zr): I-Zirconium yenza insimbi engagqwali ibe namandla ezindaweni ezibandayo.
I-Cerium (Ce): I-Cerium isiza insimbi engagqwali ukuthi imelane ne-oxidation lapho kushisa.
Ithiphu: Ingxube yensimbi engagqwali iyashintsha ngebanga nohlobo lwayo. Njalo hlola izakhi ngaphambi kokukhetha into.
Kufanele ukhethe insimbi engagqwali efanele yomsebenzi wakho. Uhlobo nebanga kushintsha indlela esebenza kahle ngayo. Uthola amazinga ahlukene okumelana nokugqwala, amandla, nokubunjwa. Amanye amabanga asebenza kangcono emanzini anosawoti. Ezinye zibamba ukushisa noma amakhemikhali anamandla. Cabanga ukuthi uzosebenzisa kuphi insimbi engagqwali. Izindawo zasolwandle zidinga ukumelana nokugqwala okuphezulu. Akuwona wonke amabanga afanela wonke umsebenzi. Qondanisa imiksi kanye nebanga nezidingo zakho. Lokhu kukusiza ukuthi ugweme izinkinga futhi uthole imiphumela emihle.
Qaphela: Ukukhetha ibanga elilungile kwenza umkhiqizo wakho uhlale isikhathi eside futhi usebenze kangcono. Wonga imali futhi ugweme ukulungisa izinto ngokukhetha kahle.
Ubona izinhlobo eziningi zensimbi engagqwali nsuku zonke. Uhlobo ngalunye lunezici zalo ezikhethekile. Udinga ukwazi lezi zici ukuze ukhethe okungcono kakhulu. Kunezinhlobo ezine eziyinhloko. Ziyi-Austenitic, Ferritic, Martensitic, neDuplex. Izinsimbi ezingenasici ze-Austenitic ziwuhlobo oluvame kakhulu. Bakha cishe u-70% wayo yonke insimbi engagqwali eyenziwe. Uwathola emikhiqizweni eminingi ngoba aqinile futhi awagqwali kalula.
Nakhu ukubuka okusheshayo ezinhlotsheni ezine:
Uhlobo |
Ukwakheka |
Isakhiwo |
Indlela Yokuqinisa |
|---|---|---|---|
I-Austenitic |
I-ayoni, i-Carbon, i-Chromium, okungenani i-Nikeli engu-8%. |
I-cubic egxile ebusweni (FCC) |
Ukusebenza okubandayo kuphela |
I-Martensitic |
12–18% Chromium, 0.1–1.2% Ikhabhoni |
I-tetragonal egxile emzimbeni (BCT) |
Ukwelashwa kokushisa kungenzeka |
I-Ferritic |
I-ayoni, i-Carbon, i-Chromium (imvamisa i-10.5-30%) |
I-cubic egxile emzimbeni (BCC) |
Akunzima |
I-Duplex |
19–32% Chromium, kufika ku-5% Molybdenum, kancane Nickel |
IHybrid ye-FCC ne-BCC |
Akucacisiwe |
Ithiphu: Sebenzisa leli thebula ukuze uqhathanise ukuthi uhlobo ngalunye lwenziwe ngani nokuthi lwakhiwe kanjani. Lokhu kukusiza ukuthi ukhethe insimbi engagqwali efanele yephrojekthi yakho.
Izinsimbi ezingenasici ze-Austenitic zinhle uma udinga insimbi engagqwali futhi kulula ukuyibumba. Lezi zinsimbi zinensimbi, i-carbon, i-chromium, kanye ne-nickel okungenani engu-8%. I-Nickel ibenza babe lukhuni futhi bagobe. Awukwazi ukuwenza abe nzima ngokushisa. Ungazenza zibe lukhuni kuphela ngokugoba noma ukugoqa insimbi.
Insimbi engagqwali ye-Austenitic ayinamathele kuzibuthe. Uyibona kumasinki asekhishini, emishinini yokudla nasezitshalweni zamakhemikhali. Isebenza kahle lapho kunamanzi noma amakhemikhali. Ungakwazi ukushisela futhi ukulolonga kalula. Amabanga afana no-304 no-316 asetshenziswa ezintweni eziningi.
Nali itafula elinamaqiniso abalulekile:
Impahla |
I-Austenitic Stainless Steel |
|---|---|
Ukumelana Nokugqwala |
Kuhle kakhulu |
I-Ductility |
Phezulu |
Ukushisela |
Kuhle kakhulu |
Impendulo Yamagnetic |
Okungewona uzibuthe |
Ukuqina |
Ayiqiniswe ukushisa |
Ukuhleleka |
Kuhle kakhulu |
Amandla |
Kuphakathi |
Ubona insimbi engagqwali ye-austenitic esetshenziselwa:
Ukusetshenziswa Okuvamile |
|---|
Izinto zokupheka |
Izimpahla zokudla neziphuzo |
Imishini yokucubungula |
Imboni yezimoto |
Ukucubungula amakhemikhali |
Imboni ye-Pulp nephepha |
Qaphela: Khetha insimbi engagqwali ye-austenitic uma ufuna insimbi engagqwali futhi kulula ukuyibumba.
Insimbi engagqwali yeFerritic inhle uma ufuna insimbi ekwazi ukumelana nokugqwala futhi ibiza kancane. Lolu hlobo lunensimbi, i-carbon, ne-chromium, ngokuvamile phakathi kuka-10.5% no-30%. Ayinayo i-nickel eningi. Insimbi engagqwali ye-Ferritic inesakhiwo se-cubic esigxile emzimbeni. Awukwazi ukwenza kube nzima ngokushisa.
Insimbi engagqwali ye-Ferritic inamathela kuzibuthe. Uyibona ezingxenyeni zezimoto, emapayipini kagesi, nasemishinini yasendlini. Isebenza kahle ezindaweni ezinokucindezeleka okuncane namazinga okushisa apholile. Ungayishisela, kodwa akulula njengensimbi ye-austenitic.
Nali itafula elinamaqiniso abalulekile:
Impahla |
I-Ferritic Stainless Steel |
|---|---|
Ukumelana Nokugqwala |
Kuphakathi |
I-Ductility |
Kuhle |
Ukushisela |
Kuphakathi |
Impendulo Yamagnetic |
Njalo uzibuthe |
Ukuqina |
Akunzima |
Ukuhleleka |
Kuhle |
Amandla |
Kuphakathi |
Ubona insimbi engagqwali ye-ferritic isetshenziselwa:
Ukusetshenziswa Okuvamile |
|---|
Exhaust systems |
Izingxenye ze-Petrochemical |
Ukusikwa kwezimoto |
Izishintshi zokushisa |
Amaziko |
Izinto zikagesi |
Impahla yokudla |
Ithiphu: Sebenzisa insimbi engagqwali ye-ferritic ezingxenyeni zemoto nemishini yasekhaya okungadingi ukuthi ibe namandla kakhulu.
Insimbi engagqwali ye-Martensitic yinhle uma udinga insimbi enamandla kakhulu futhi eqinile. Lolu hlobo luno-12–18% we-chromium kanye nekhabhoni eningi kunezinye izinhlobo. Ungenza kube nzima ngokushisa. Insimbi engagqwali ye-Martensitic inesakhiwo se-tetragonal esigxile emzimbeni.
Insimbi engagqwali ye-Martensitic inamathela kuzibuthe. Uyibona emimese, ezikeleni, namathuluzi ezokwelapha. Ayimelani nokugqwala kanye nezinye izinhlobo. Udinga ukuyigcina ikude namanzi namakhemikhali.
Nali itafula elinamaqiniso abalulekile:
Impahla |
I-Martensitic Stainless Steel |
|---|---|
Ukumelana Nokugqwala |
Iphansi kune-austenitic |
I-Ductility |
Iphansi kune-austenitic |
Ukushisela |
Kunzima |
Impendulo Yamagnetic |
Uzibuthe |
Ukuqina |
Ukushisa kuyelapheka ngenxa yokuqina |
Ukuhleleka |
Kuphakathi |
Amandla |
Phezulu |
Ubona insimbi engagqwali ye-martensitic isetshenziselwa:
Ukusetshenziswa Okuvamile |
|---|
Cutlery |
Izinsimbi zokuhlinza namazinyo |
Iziphethu |
Izikele |
Ama-Industrial blades |
Izingxenye ze-Aerospace |
Izingxenye zobunjiniyela ezijwayelekile |
Qaphela: Khetha insimbi engagqwali ye-martensitic yamathuluzi nama-blade adinga ukuba abukhali futhi aqine.
I-Duplex insimbi engagqwali yinhle uma udinga insimbi eqinile futhi engagqwali kalula. Lolu hlobo lune-chromium engu-19–32%, kufika ku-5% molybdenum, kanye ne-nickel encane kunensimbi ye-austenitic. I-Duplex insimbi engagqwali inengxube yezakhiwo ezimbili. Lokhu kwenza kube nzima futhi kuqine.
Insimbi engagqwali eyi-Duplex ayinamathele kuzibuthe njengezinye izinhlobo. Uyibona ezindaweni ezinamanzi anosawoti, njengemikhumbi nezitshalo zamanzi. Isebenza kahle emathangeni okucindezela kanye nezishintshi zokushisa. Ungayishisela, futhi ayiqhekeki kalula.
Nali itafula elinamaqiniso abalulekile:
Impahla |
I-Duplex Stainless Steel |
|---|---|
Ukumelana Nokugqwala |
Kungcono kune-ferritic ne-martensitic |
I-Ductility |
Kuphakathi |
Ukushisela |
Kuhle |
Impendulo Yamagnetic |
Iyahlukahluka (ngokuvamile okungeyona i-magnetic) |
Ukuqina |
Akufaneleki |
Ukuhleleka |
Kuhle |
Amandla |
Phezulu |
Ubona insimbi engagqwali eyi-duplex isetshenziselwa:
Ukusetshenziswa Okuvamile |
|---|
Imikhumbi yokucindezela |
Izishintshi zokushisa |
Izitshalo zokukhipha usawoti emanzini |
Izicelo zamanzi olwandle nosawoti |
Ukwakha |
Ukukhiqizwa kwephepha |
Ithiphu: Sebenzisa insimbi engagqwali eyi-duplex ukwenza imisebenzi enzima ezindaweni ezifana nemikhumbi noma izitshalo zamakhemikhali.
Udinga ukubheka zonke izinhlobo ngaphambi kokukhetha eyodwa. Uhlobo ngalunye lunamaphuzu amahle namabi. Insimbi engagqwali ye-Austenitic iyona evame kakhulu ngoba ayigqwali futhi kulula ukuyibumba. Insimbi engagqwali yeFerritic ibiza kancane futhi ilungele izingxenye zemoto. Insimbi engagqwali ye-Martensitic ingcono kakhulu kumathuluzi nama-blade. I-Duplex insimbi engagqwali iqinile futhi ayigqwali, ngakho-ke ilungele imisebenzi enzima.
Nali ithebula elizokusiza ukuthi uqhathanise:
Uhlobo |
Ukumelana Nokugqwala |
Amandla |
Uzibuthe |
Ukusetshenziswa Okuvamile |
|---|---|---|---|---|
I-Austenitic |
Kuhle kakhulu |
Kuphakathi |
Cha |
Ikhishi, izitshalo zamakhemikhali |
I-Ferritic |
Kuphakathi |
Kuphakathi |
Yebo |
Izingxenye zemoto, izinto zikagesi |
I-Martensitic |
Phansi |
Phezulu |
Yebo |
Imimese, amathuluzi ezokwelapha |
I-Duplex |
Phezulu |
Phezulu |
Iyahlukahluka |
Marine, ukwakhiwa, imikhumbi yokucindezela |
Qaphela: Njalo fanisa uhlobo lwensimbi engagqwali kuphrojekthi yakho. Lokhu kukusiza ukuthi uthole imiphumela engcono kakhulu futhi ugweme izinkinga.
Insimbi engagqwali inamabanga amaningi. Ibanga ngalinye linemiksi yalo yezinto. Amabanga ahlukene asetshenziselwa imisebenzi eyahlukene. Amanye amabanga angcono emakhishini. Ezinye zingcono kakhulu ngezikebhe noma izimboni. Kufanele wazi amamaki aphezulu ukuze ukhethe elilungile.
Insimbi engagqwali ye-Austenitic iwuhlobo olusetshenziswa kakhulu. Uyibona kusinki, ezitsheni zokupheka, namathuluzi ezokwelapha. Lolu hlobo lune-chromium eningi ne-nickel. Inamandla futhi ayigqwali kalula. Ungayibumba futhi uyishisele ngaphandle kwezinkinga.
Nawa amamaki e-austenitic avame kakhulu:
304: Leli banga ulithola cishe yonke indawo. Ine-chromium engu-18–20% kanye ne-nickel engu-8–10.5%. Inamandla futhi imelana nokugqwala. Ukubona ekulungiseni ukudla, osinki basekhishini nasezitsheni zamakhemikhali.
316: Leli banga line-nickel eningi kanye ne-molybdenum engu-2–3%. Ilwa nosawoti namakhemikhali kangcono kuno-304. Uyisebenzisela izikebhe, izinto zokwelashwa, kanye nemishini yokwenza imithi.
301, 302, 303 : Lawa mabanga anezinguquko ezincane ku-nickel ne-chromium. Uyisebenzisela iziphethu, izinsimbi, nezingxenye ezidinga ukugoba.
309, 321 : Lawa mabanga angakwazi ukuphatha ukushisa okuphezulu. Uwasebenzisa kumahhavini, eziko, nasezinhlelweni zokukhipha umoya.
Ithiphu: Khetha okuthi 316 ngezindawo ezinosawoti noma ezinothile ngamakhemikhali. Sebenzisa angu-304 emisebenzini eminingi yasekhishini nokudla.
Nali ithebula elinamamaki e-austenitic asetshenziswa kakhulu kanye nokusetshenziswa kwawo:
Ibanga |
Incazelo |
Izicelo Ezijwayelekile |
|---|---|---|
304 |
Kuhle ukumelana nokugqwala |
Ukucubungula ukudla, izinto zasekhishini, iziqukathi zamakhemikhali |
316 |
Kungcono ngokumelene ne-chloride |
Ukusetshenziswa kwasolwandle, okokusebenza kwemithi, izinto zezokwelapha |
Insimbi engagqwali ye-Austenitic itholakala ezindaweni eziningi. Ukubona ezimbonini zokudla, ezibhedlela, nasezitshalweni zamakhemikhali. Ibuye isetshenziswe ezimotweni nasezakhiwo.
Nali ithebula eliqhathanisa ukwakheka kwamakhemikhali nokusetshenziswa kuka-304 no-316:
Ibanga |
Okugqanyisiwe Kokuqamba |
Izakhiwo Eziyinhloko |
Izinhlelo zokusebenza |
|---|---|---|---|
304 |
I-Cr: 18–20%, Ni: 8–10.5% |
Inamandla, imelana nokugqwala |
Osinki, izinto zokupheka, amathuluzi ezokwelapha |
316 |
Cr: 16–18%, Ni: 10–14%, Mo: 2–3% |
Kungcono ngokumelene ne-chloride |
Izingxenye zasolwandle, ukucubungula ukudla |
Qaphela: Ishadi libonisa ukuthi ingakanani i-chromium ebangeni ngalinye. I-Chromium isiza insimbi engagqwali ukuthi imelane nokugqwala.
Izinsimbi ezingenasici ze-Ferritic zine-nickel encane. Abiza kancane kodwa asamelana nokugqwala. Ubona izinsimbi ezingenasici ze-ferritic ezingxenyeni zemoto, ama-backsplashe asekhishini, nezinto zikagesi zasendlini. Lawa mabanga kazibuthe. Awukwazi ukuwenza abe nzima ngokushisa.
Nawa amabanga ayinhloko we-ferritic:
409: Usebenzisa leli banga kumasistimu wokukhipha umoya wezimoto. Ine-chromium engu-10.5–11.75%. Imelana nokushisa kanye ne-oxidation.
430: Leli banga line-chromium engu-16–18%. Uyithola ezitsheni zasekhishini, ezitsheni zezimoto, nasezintweni zasendlini. Inozibuthe futhi imelana nokugqwala kahle.
446: Leli banga lingakwazi ukuphatha ukushisa okuphezulu. Uyisebenzisa ezithandweni nasezifudumeni.
Ithiphu: Sebenzisa izinsimbi ezingenasici ze-ferritic emisebenzini edinga ukumelana nokugqwala okuhle kodwa hhayi amandla aphezulu.
Nali ithebula elinamabanga ajwayelekile e-ferritic kanye nokusetshenziswa kwawo:
Ibanga |
Incazelo |
Izicelo Ezijwayelekile |
|---|---|---|
409 |
Kuhle ukumelana ne-oxidation |
Imishini yokukhipha izimoto |
430 |
Ukuqina okushibhile, okuhloniphekile |
Ama-backsplashe asekhishini, izinto zikagesi zasendlini, izinsimbi zemoto |
Izinsimbi ezingenasici ze-Ferritic zitholakala ezindlini nasezimotweni. Ubabona kuma-trim, amapayipi e-exhaust, namathuluzi asekhishini.
Nali ithebula eliqhathanisa ukwakheka kwamakhemikhali nokusetshenziswa kuka-409 no-430:
Ibanga |
Okugqanyisiwe Kokuqamba |
Izakhiwo Eziyinhloko |
Izinhlelo zokusebenza |
|---|---|---|---|
409 |
I-Cr: 10.5–11.75% |
Kuhle ukumelana ne-oxidation |
Imishini yokukhipha izimoto |
430 |
Cr: 16–18% |
Kuhle ukumelana nokugqwala, kazibuthe |
Izitsha zasekhishini, ukugunda imoto |
Qaphela: Izinsimbi ezingenasici ze-Ferritic zikazibuthe. Ungawahlola ngozibuthe.
Insimbi engagqwali ye-Martensitic inamandla kakhulu. Ungenza kube nzima ngokushisa. Ubona insimbi engagqwali ye-martensitic emimese, ezikeleni, namathuluzi okuhlinza. Lolu hlobo lunekhabhoni eningi. Kungaba nzima kakhulu futhi kubukhali.
Nawa amabanga ayinhloko e-martensitic:
410: Leli banga line-chromium engu-11.5–13.5%. Uyisebenzisela ukusika, izinsimbi zokuhlinza, namavalvu. Kungenziwa kube nzima ukuze uthole amandla engeziwe.
420: Leli banga line-chromium engu-12–14%. Uyisebenzisela imimese nezikele. Iba nzima kakhulu futhi igcine unqenqema olucijile.
440: Leli banga linekhabhoni ethe xaxa. Uyisebenzisela ama-blades adinga ukuba nzima kakhulu.
Ithiphu: Khetha insimbi engagqwali ye-martensitic yamathuluzi nama-blade adinga ukuba aqine futhi acijile.
Nali ithebula elinamabanga ajwayelekile e-martensitic kanye nokusetshenziswa kwawo:
Ibanga |
Incazelo |
Izicelo Ezijwayelekile |
|---|---|---|
410 |
Ingaqina, ukumelana nokugqwala okumaphakathi |
Cutlery, izinsimbi zokuhlinza |
420 |
Kunzima kakhulu, ukumelana nokugqwala okumaphakathi |
Cutlery, izinsimbi zokuhlinza |
Izinsimbi ezingenasici ze-Martensitic zitholakala emakhishini, ezibhedlela nasezimbonini. Ubabona emimese, ezikeleni naseziphethwini.
Nali ithebula eliqhathanisa ukwakheka kwamakhemikhali nokusetshenziswa kuka-410 no-420:
Ibanga |
Okugqanyisiwe Kokuqamba |
Izakhiwo Eziyinhloko |
Izinhlelo zokusebenza |
|---|---|---|---|
410 |
I-Cr: 11.5–13.5% |
Ingaqina, ukumelana nokugqwala okumaphakathi |
Cutlery, izinsimbi zokuhlinza |
420 |
Cr: 12–14% |
Kunzima kakhulu, ukumelana nokugqwala okumaphakathi |
Cutlery, izinsimbi zokuhlinza |
Qaphela: Insimbi engagqwali ye-Martensitic inozibuthe. Ungenza kube nzima kakhulu ngokushisa.
Izinsimbi ezingenasici eziyi-Duplex zinezakhiwo ezimbili ezixutshwe ndawonye. Zinamandla futhi zimelana nokugqwala kahle kakhulu. Ubona izinsimbi ezingenasici eziyi-duplex emikhunjini, izitshalo zamakhemikhali, nezinsimbi zikawoyela. Lawa mabanga ane-chromium ne-molybdenum eningi. Balwa nokubhoboza nokuqhekeka.
Nawa amamaki ayi-duplex ayinhloko:
2205: Leli banga line-chromium engu-22%, i-nickel engu-5–6%, ne-molybdenum engu-3%. Uyisebenzisela imisebenzi yasolwandle neye-petrochemical. Inamandla futhi imelana nokugqwala.
2507: Leli banga lino-25% we-chromium, u-7% we-nickel, no-4% we-molybdenum. Uyisebenzisela uwoyela wasogwini nomsebenzi wegesi. Imelana nokugoba nokuqhekeka ezindaweni ezinzima.
Ithiphu: Sebenzisa izinsimbi ezingenasici eziyi-duplex emisebenzini emanzini anosawoti noma ezitshalweni zamakhemikhali.
Nali ithebula eliqhathanisa ukwakheka kwamakhemikhali nokusetshenziswa kuka-2205 no-2507:
Ibanga |
Okugqanyisiwe Kokuqamba |
Izakhiwo Eziyinhloko |
Izinhlelo zokusebenza |
|---|---|---|---|
2205 |
Cr: 22%, Ni: 5–6%, Mo: 3% |
Inamandla kakhulu, inamandla okumelana nokugqwala |
Ukusetshenziswa kwasolwandle, petrochemical |
2507 |
Cr: 25%, Ni: 7%, Mo: 4% |
Uqine kakhulu, unamandla okumelana ne-pitting |
Uwoyela negesi yasogwini, amathangi amakhemikhali |
I-Duplex steel stainless isetshenziswa lapho kudingeka khona insimbi eqinile. Ubathola emikhunjini, emathangini nasezimbonini.
Qaphela: Izinsimbi ezingenasici ze-Duplex azihlali zikazibuthe. Asebenza kahle ezindaweni ezinosawoti namakhemikhali.
Ungase uzwe mayelana nokuna kwensimbi eqinile eqinile. Lolu hlobo lusebenzisa ukwelashwa okukhethekile kokushisa. Inamandla kakhulu futhi iqinile. Uyibona emisebenzini ye-aerospace kanye nobuchwepheshe obuphezulu.
Ithiphu: Njalo hlola izinga ngaphambi kokukhetha insimbi engagqwali. Ibanga ngalinye lisebenza kangcono emisebenzini ethile.
Kubalulekile ukwazi ukuthi insimbi engagqwali imisa kanjani ukugqwala. Ukumelana nokugqwala kuyisizathu esikhulu sokuthi abantu bakhethe insimbi engagqwali. I-Chromium ngensimbi engagqwali yenza ungqimba oluncane oluncane phezulu. Lolu ungqimba lugcina insimbi iphephile ekugqwaleni nasekulimaleni. Amanye amabanga ayeka ukugqwala kangcono kunamanye. Ezinye zilungele kuphela izindawo ezingaqinile kakhulu.
Nali ithebula eliqhathanisa amabanga athile avamile:
Ibanga Lensimbi Engagqwali |
Ukumelana Nokugqwala |
Izici Eziyinhloko |
|---|---|---|
304 |
Kuphakathi |
Isetshenziswa kakhulu, hhayi kahle ngama-chloride |
316L |
Phezulu |
Ine-molybdenum, ilungele izindawo ezinzima |
Uyabona ukuthi i-316L imelana nokugqwala kahle kakhulu. I-Molybdenum ku-316L isiza ekulweni nosawoti namakhemikhali. Uma usebenza ngama-acids noma amanzi anosawoti, khetha u-316L. Ngemisebenzi enzima, udinga ukumelana nokugqwala okungcono. 304 ilungele amakhishi, kodwa sebenzisa amamaki anama-316 noma ngaphezulu ezindaweni ezinzima. I-316L ilungele izikebhe nezitshalo zamakhemikhali ngoba imelana nokugqwala kahle.
Ithiphu: Njalo hlola ukuthi insimbi engagqwali imelana kahle kangakanani nokugqwala ngaphambi kokuyikhetha.
Insimbi engagqwali engu-316L yenza kahle kakhulu ku-hydrochloric ne-sulfuric acid.
I-Molybdenum ku-316L isiza ukuthi imelane nokugqwala ezindaweni ezinosawoti.
Emisebenzini enzima, sebenzisa amamaki angama-316 noma ngaphezulu esikhundleni sika-304.
Ufuna insimbi engagqwali ibe namandla futhi ibe nzima emisebenzini eminingi. Amandla okuqina akutshela ukuthi angakanani amandla adingekayo ukuphula insimbi. Ubulukhuni bukhombisa ukuthi imelana kahle kanjani nokuklwebheka namadentity. Ibanga ngalinye linamandla alo nobulukhuni.
Nali ithebula eliqhathanisa amandla nobulukhuni:
Ibanga |
Uhlobo |
Amandla |
Ukuqina |
Izinhlelo zokusebenza |
|---|---|---|---|---|
409 |
I-Ferritic |
Kuphakathi |
Kuphakathi |
Ukusetshenziswa okujwayelekile, kumisa i-oxidation |
430 |
I-Ferritic |
Phansi |
Kuphakathi |
Iphatha i-nitric acid, ukusetshenziswa okuningi |
440 |
I-Martensitic |
Phezulu |
Phezulu |
Imimese, imelana nokugqoka |
410 |
I-Martensitic |
Phezulu |
Kuphakathi |
Amavalvu, amaphampu, imisebenzi ephethwe ukushisa |
420 |
I-Martensitic |
Phezulu |
Kuphakathi |
Iqinile, imelana nomthelela |
I-Duplex |
I-Duplex |
Iphakeme kune-ferritic ne-austenitic |
Kuphakathi |
Uwoyela usebenza ngaphansi kwamanzi, umelana nokugqwala |
Amabanga e-Martensitic afana no-440 no-420 anamandla kakhulu futhi anzima. Uwasebenzisela imimese namathuluzi. I-Duplex insimbi engagqwali inamandla futhi imelana nokugqwala kahle kakhulu. Amamaki e-Ferritic aqine ngokwanele emisebenzini eminingi. Khetha ibanga elifanelana nesidingo sakho samandla nobulukhuni.
Qaphela: Amandla aphezulu asiza insimbi engagqwali ukuthi ihlale isikhathi eside emisebenzini enzima.
Ungase uzibuze ukuthi insimbi engagqwali inamathela kozibuthe. Impendulo incike ohlotsheni kanye nebanga. Izinsimbi ezingenasici ze-Ferritic ne-martensitic zikazibuthe. I-Duplex insimbi engagqwali ivamise ukuba kazibuthe ngoba ine-ferrite. Insimbi engagqwali ye-Austenitic ngokuvamile ayikazibuthe, kodwa ingaba kazibuthe kancane ngemva kokushisa.
Nalu uhlu lwazo izinhlobo kazibuthe:
Izinsimbi ezingenasici ze-Ferritic ezifana ne-409 ne-430 zikazibuthe.
Izinsimbi ezingenasici ze-Martensitic ezifana no-410, 420, no-440 zikazibuthe.
Izinsimbi ezingenasici ze-Duplex ngokuvamile zikazibuthe ngenxa ye-ferrite.
Ukushisa kungashintsha uma insimbi engagqwali inguzibuthe. Izinsimbi ze-Austenitic zingathola ukuthi kazibuthe kancane uma uzishisa noma uzigoba. Izinsimbi ze-Ferritic ne-martensitic zihlala zikazibuthe, kodwa ukuthi ziqine kangakanani zingashintsha.
Ithiphu: Sebenzisa uzibuthe ukuze ubone ukuthi insimbi yakho engagqwali iyi-ferritic noma i-martensitic.
Ubona insimbi engagqwali ezindaweni eziningi ngenxa yokuthi ayigqwali, iqinile futhi kulula ukuyihlanza. Emisebenzini yokudla, uyithola kumathuluzi asekhishini, ezintweni ezisetshenziswayo, nasemaphaketheni okudla. Odokotela nodokotela bamazinyo bayisebenzisela ukwenza amathuluzi, izigxivizo, nezinto okufanele zihlanzeke. Abakhi bayisebenzisela uphahla, amathange, izinsimbi zezandla, nezinto zokubala.
Nali itafula lapho kusetshenziswa khona insimbi engagqwali:
Imboni |
Izicelo Ezivamile |
|---|---|
Ukudla nokudla |
Amathuluzi ekhishi, izinto zikagesi, amaphakheji okudla |
Ezokwelapha namazinyo |
Amathuluzi okuhlinza, izimila, okokusebenza okungahlanzwa |
Ukwakha |
Uphahla, amakhava ethangi, ama-handrails, izinto zokubala |
Insimbi engagqwali ihlala isikhathi eside, kulula ukuyigcina ihlanzekile, futhi iphephile ekudleni. Uyikhethela izindawo ezidinga ukulwa nokugqwala futhi uqine. Ubuye uyisebenzise ngoba imelana nokuklwebheka futhi ayishintshi uma ivulelwe umoya.
Qaphela: Insimbi engagqwali ihamba phambili ezindaweni ezidinga ukulwa nokugqwala, iqine, futhi ihlale isikhathi eside.
Kufanele ucabange ukuthi uzoyisebenzisa kuphi insimbi. Kokubili i-304 ne-316 i-austenitic, ngakho-ke ayigqwali kalula. Zibuye zilula ukuzigcina zihlanzekile. I-316 insimbi engagqwali ine-molybdenum kuyo. Lokhu kuyisiza ukulwa nosawoti namakhemikhali kangcono kuno-304.
Nali ithebula elizokusiza ukuthi uqhathanise:
Ibanga |
Main Alloying Elements |
Ukumelana Nokugqwala |
Ukusetshenziswa Okujwayelekile |
|---|---|---|---|
304 |
I-Chromium, i-Nickel |
Kuhle |
Osinki, izitsha zokupheka, amathangi |
316 |
I-Chromium, i-Nickel, i-Molybdenum |
Kuhle kakhulu (ikakhulukazi emanzini anosawoti) |
I-Hardware yasolwandle, amathuluzi ezokwelapha, amathangi amakhemikhali |
Ithiphu: Khetha insimbi engagqwali engu-316 yezikebhe noma amadokhi. Sebenzisa u-304 emakhishini noma emisebenzini yangaphakathi.
Kufanele ucabange nokuthi kubiza malini. 316 insimbi engagqwali ibiza kakhulu kune-304. Ihlala isikhathi eside ezindaweni ezinzima. Intengo ephakeme ingenxa ye-molybdenum ne-nickel eyengeziwe.
Udinga ukukhetha uhlobo olufanele lwephrojekthi yakho. Nazi ezinye izinto ezingakusiza ukuthi ukhethe:
Insimbi engagqwali ye-Austenitic ingcono kakhulu ekumiseni ukugqwala. Isebenza kahle ekusetshenzisweni kokudla, kwezokwelapha, namakhemikhali.
Insimbi engagqwali yeFerritic ibiza kancane kodwa ayikuyeki nokugqwala. Yisebenzisele izingxenye zemoto noma imishini yasekhaya.
Insimbi engagqwali ye-Martensitic inamandla kakhulu futhi iqinile. Ikhethele imimese, isikele, noma amathuluzi.
I-Duplex insimbi engagqwali inamandla futhi ilwa nokugqwala. Ilungele imikhumbi nezitshalo zamakhemikhali.
Lapho ukhetha ibanga, cabanga ngalezi zinto:
Lapho uzosebenzisa khona insimbi, ngaphakathi noma ngaphandle
Uma ukudinga ukumisa ukugqwala, njengasemanzini anosawoti
Kudingeka ukuthi iqine futhi iqine kangakanani
Ukushisa ezobhekana nakho
Ingakanani imali ofuna ukuyisebenzisa
Qaphela: Insimbi engagqwali ye-Austenitic, efana ne-304 ne-316, ihamba phambili emisebenzini eminingi. Ayigqwali futhi kulula ukuyihlanza. Izinhlobo ze-Ferritic ne-martensitic zilungele imisebenzi ekhethekile, njengokulondoloza imali noma ukudinga amandla engeziwe.
Manje usuyazi mayelana nezinhlobo ezine eziyinhloko kanye namamaki avamile ensimbi engagqwali. Uhlobo ngalunye lunezici zalo kanye nokusetshenziswa kwalo. Bheka ithebula elingezansi ukuze uthole isifinyezo esisheshayo:
Uhlobo |
Izici |
Izicelo Ezivamile |
|---|---|---|
I-Austenitic |
Ine-chromium ne-nickel eningi, hhayi kazibuthe |
Isetshenziselwa imimese yasekhishini, izingxenye zendiza |
I-Ferritic |
Ivamise ukunamathela kuzibuthe, i-nickel ephansi, imelana nokugqwala |
Isetshenziswa emabhodweni, amapani, nezingxenye zemoto |
I-Duplex |
Ingxube ye-austenitic ne-ferritic, ingaba kazibuthe |
Isetshenziswa emisebenzini kawoyela ngaphansi kolwandle |
I-Martensitic |
Ikhabhoni eningi, inamandla kakhulu |
Isetshenziselwa amathuluzi odokotela nama-turbines |
Ukukhetha insimbi engagqwali efanele kugcina iphrojekthi yakho iphephile futhi isebenza kahle. Kufanele ubuze ochwepheshe noma abahlinzeki ngaphambi kokuthi unqume. Bangakusiza ukuthi ukhethe uhlobo olungcono kakhulu kanye nebanga lomsebenzi wakho.
Insimbi engagqwali iqukethe i-chromium. I-Chromium yakha isendlalelo esivikelayo esivimba ukugqwala. Insimbi evamile ayinaso lesi sendlalelo. Uthola ukumelana nokugqwala okungcono ngensimbi engagqwali.
Ungasebenzisa insimbi engagqwali ngaphandle. Imelana nemvula nelanga. Amabanga afana ne-316 asebenza kahle eduze namanzi. Njalo khetha ibanga elifanele lezimo zakho zezulu.
Ungasebenzisa insimbi engagqwali ukudla. Ayisabeli ngokudla okuningi. Uyibona kumasinki asekhishini, ezitsheni zokupheka, nasezimbonini zokudla. Kulula ukuhlanza futhi kugcina ukudla kuphephile.
Sebenzisa amanzi afudumele nensipho ethambile. Sula ngendwangu ethambile. Gwema abahlanzi abanokhahlo. Ugcina insimbi engagqwali icwebezela futhi ingenamabala ngokuhlanza njalo.
Khetha ibanga 316 ozolisebenzisa olwandle. Ine-molybdenum. Lokhu kusiza ukulwa nokugqwala kwamanzi anosawoti. Ubona insimbi engagqwali engu-316 ezikebheni nasezikhumulweni zemikhumbi.