I-A789 EXS S31803 ne-UNS S32205 S32205

I-316l 1.4401 S31603 I-STIANCLEENT I-PIPE I-PIRELLELEKILE KAKHULU KAKHULU KAKHULU KANYE NOKUQHAWULA KAKHULU KWAMAHHALA OKUSHINTSHA KULULA KWEZINHLOBO ZOKUXHUMANA NOKUthengisa. Le SS EX C31603 Pipe yenziwa ngekhwalithi ephezulu 316l insimbi engagqwali engenacala ngokumelana kahle nokugqwala, i-oxidation kanye nokubala, okwenza kube kuhle ngezindawo ezinokhahlo noma izinhlelo zokusebenza eziphezulu.

Din931 933 UNG7725 UNTERENCE 725 Alloy 725 Round Head Hex Bolt
Ngokungafani ne-autenitic steres acreinless, ama-Incontel 625 Round Baer anikela ngenzuzo yokuthi athambekele ekuqhekekeni okuhlobene nokuxineka okuhlobene nokucindezelwa kwe-chloride.
Asme B36.19M I-Stireless Insimbi Ipayipi

I-INTRR 36® iyinsimbi ye-nickel-i-iron, i-alloy ephansi ephansi equkethe ama-nickel angama-36%, i-invar 36 ine-coeffied ephansi yokunwebeka kusuka kumazinga okushisa angu-500 ° F (260 ° C).

I-Alkel-Cont-based Alloy 400 Monel 2.4360 Indukulela ebandayo ebandayo engu-400 I-Monel 400 iyi-alloy yethusi ne-nickel esekelwe ethandwa namuhla ngenxa yokusebenza kwayo okuphezulu. I-alloy ine-acid enhle kakhulu ne-alkali. Ngaphezu kwalokho, inamandla amahle ashubile, i-decticity, ukusebenza okuhle kakhulu okushisayo, futhi kungaqiniswa ngokusebenza kubanda. Ngokwengeziwe, ingasetshenziswa kuzinhlelo zokusebenza ezinamazinga okushisa asukela ku-minus kuya kuma-538 degrees Celsius.

I-ASTM A312 I-IPP316 iyincazelo ejwayelekile ye-seamless engenamthungo, i-suuntenicled auntenitic esetshenzisiwe amapayipi wensimbi angenamikhawulo asetshenziswa ezisetshenzisweni ezisezingeni eliphakeme zokushisa kanye nezinsizakalo ezijwayelekile. Ipayipi lensimbi engama-316 le-seamless lensimbi lenziwa ngenhlanganisela ye-chromium, i-nickel, kanye ne-molybdenum, enikeza i-SS 316 i-seamless tube ukumelana kahle nokugqwala.

Sisebenzisa izinto zokusetshenziswa ezihloliwe nezifanelekile ukwenza ngcono umsebenzisi wamashubhu we-alloy. Lokhu kucutshungulwa ngenqubo yensimbi ethonya iziphambeko zesakhiwo nezezinto ezibonakalayo.
I-Zhengzhou Huitong Pipeline Equipment Co, Ltd.

Incoloy 825 Weld Fight Flange Alloy 825 Flangeles futhi inikeza izici ezinhle zemishini. Ama-flanges akhiqizwa yithi kuthiwa aqinile futhi avuza. Banephuzu lokuncibilika lama-degrees we-1413 C. kanye nobuningi be-8.47G \ cm3.

Amapayipi angama-304 enziwe ngensimbi engama-304 engagqwali, impahla ejwayelekile futhi ethandwayo kuzinhlelo eziningi zezimboni ezidinga ukumelana nokugqwala kanye noximation. Lawa mapayipi amapayipi e-S30400 ahlanganiswe asebenzisa imishini ekhethekile nezinqubo, eziqinisekisa ukuthi zinembe kakhulu futhi zithembekile.

I-SMO 254 Amapayipi angamelana nengcindezi emishini ephezulu kanye ne-alloy 254 SMO Pipe TRESHERE TRESHERE PRESHERE EMATHELO EZIQHAWULEKILE KANYE NEMIPHUMELA EBONAKALAYO.

Amashubhu we-Hastelloy C2000 asetshenziswa ezinhlotsheni ezibanzi zezimboni ezifaka ukucubungula kwe-petrochemical, ukukhiqiza imishini yamakhemikhali, ama-oyela wokuhlanza kanye nezitshalo zamandla.

Uma isiteshi sakho sangaphandle se-applectional service sibunjiwe, hhayi kuphela ukuthi kunengozi yokudalula zonke izingxenye ezibucayi zikagesi ngaphakathi, kepha ingabiza ukushintsha esikhundleni somcimbi wesikhashana. Sikhuluma ngomonakalo wezingxenye kanye nokubuyiselwa imali, izindleko zokulungisa, kufaka phakathi umsebenzi kanye nesikhathi sokuphumula. Ngibonile imibukiso eyethusayo yangempela lapho igobolondo libunjiwe. Sithole ukuthi sisebenzisa insimbi engama-316 engagqwali esikhundleni se-304 insimbi engenacala ekufakweni kwangaphandle okuzovezwa ezintweni ezahlukahlukene, ezinjengezimbiso zamafutha, akugcini nje ngokukhulisa impilo yendawo ebiyelwe, futhi kuphephile.

I-ASTM A240 Type 2205 Plate ipuleti yensimbi engenacala esetshenziswa kakhulu ezimbonini ezahlukahlukene ezinjengezimboni zamakhemikhali, i-oyela negesi ehloliwe. ISA 240 GR 2205 Sheet yenziwa ngeBanga 2205 Insimbi Engagqwali, okuyinhlanganisela yensimbi ye-ferrititic ne-auntenitic.

I-SCH40 Monel 400 ipayipi iqokwa njenge-Werkstoff Inombolo engu-2.4360 futhi ayinasi-n04400. I-Alloy 400 Ipayipi elibuye laziwa ngokuthi yi-Monel Alloy 400 ipayipi, i-monel 400 ipayipi & nickel alloy 400 Pipe.

Ngasikhathi sinye, kuya ngokwelashwa kokushisa kwale steel engenasici 304 Cross Page Fittings, singenza ukwelashwa ngesisombululo, sokwelashwa, noma ukwelashwa kokuguga ngokuya ngezidingo zamakhasimende ethu ahlonishwayo. Futhi ngokuya ngokuqedwa okungaphezulu kwalokhu kunciphiswa okwenziwe ngezinsimbi ezingama-304l, singabanikeza ekuqedweni okumnyama, okubunjiwe kucwebezele, noma kuncishiswe ukucwebezelana, noma kulingene.

I-Al6XN iyinsimbi e-superAustonitic engenacala ngokumelana okuvelele kokuphamba kwe-chloride, ukugqwala kwe-crevice kanye nokuqhekeka kokugqwala kwengcindezelo. I-Al6xn ingu-Aloy ayi-6 olwenzelwe futhi asetshenziswa ezindaweni ezinolaka kakhulu. Ine-nickel ephezulu (24%), i-molybdenum (6.3%), i-nitrogen kanye nokuqukethwe kwe-chromium okunikeza ukumelana kahle nokuqhekeka kokugqwala kwe-chloride, i-chloride ukumelana, kanye nokuphikiswa okujwayelekile kokugqwala. I-Al6xn isetshenziselwa ikakhulukazi ukumelana nokugqwala kwayo okuthuthukile kanye ne-crevice in clorides. Kuyinsimbi enobunzima futhi engakhathali.

Kukhombisa ukumelana okuhle ezindaweni ezingathathi hlangothi nezinciphisa. Le alloy yakha i-oxide enobuhlakani, ifilimu evikelayo engahambisani, kepha igcina ukumelana ne-opidation ephakeme emazingeni okushisa anyukayo.

I-Alloy 800 iyi-nickel-iron-chromium alloy enamandla aphezulu kanye nokumelana okuhle ne-oxidation kanye nokugqwala emazingeni okushisa aphezulu. I-ASTM B407 EX N08800 Incoloy 800 W. NR. 1.4876 Ipayipi eline-welded lisetshenziselwa kakhulu ukwakhiwa kwemishini edinga ukumelana nokuvutha, ukumelana nokushisa, amandla, nokuqina kwenkonzo kuze kube ngu-1500 ° F (816 ° C).

I-ASME SA31 Ibanga P11 TUBING iqukethe amanani alandelwayo ekhabhoni, isibabule, phosphorus, silicon kanye manganese. Isibonelo, ukungezwa kwe-chromium kwaziwa ukuthuthukisa amandla ashukumisayo, ukukhiqiza amandla, ukumelana nokukhathala, ukumelana nokugqokwa, kanye nobunzima bezakhiwo ze-alloy. Ukungezwa kwalezi zindawo kulungele ukuvikela i-oxidation kuzicelo eziphezulu zokushisa.

I-Alloy 800 Weld Teld Flanges Sinedumela eliqinile embonini ngokukhiqiza ama-flanges asezingeni eliphakeme lezinhlobo ezahlukene ezizohambisana nezidingo zamakhasimende ethu. Sikhiqiza incoloy 800 Flanges ethembekile futhi ephezulu ngekhwalithi. Sisebenzisa izinsizakusebenza ze-premium kanye nemishini ethuthukile yokukhiqiza i-ASTM B564 ANC N08800 Incoloy 800 Flangetes.

I-nickel based 800 incoloy hexagonal Pipe yaziwa ukuthi imelana nokugqwala okuhle. Ngokukhuluma ngokuqondile, ipayipi le-Incoloy 800 linikeza ukumelana okwanele ngokumelene nobabili ukuthuthuka kanye nokugqwala koxidation.

I-Incons 600 Round Bar iyi-alloy esekwe ku-nickel nge-benign carburulization kanye nokuphikiswa okuhle kakhulu kokugqwala emazingeni okushisa aphezulu. Imigoqo eyindilinga engama-600 eyindilinga iyasebenza ngokumelene nokomisa ama-CL2 namanye amagesi amaningi ahlukene emazingeni okushisa aphakeme aphezulu. I-Alloy 600 Bar iyi-nickel-chromium alloy ene-oxidation enhle nokumelana nokuqhekeka kwengcindezi yokuwohloka kwe-chloride, ukuhlanzeka okuphezulu kokugqwayiza kwamanzi kanye ne-acid oxidation emazingeni okushisa aphakeme.

Ama-fastener wensimbi engagqwali
I-Nickel 201 i-Flange i-Flange ama-nickel 200 Flanges ayahlala isikhathi eside, aqinile, futhi abe nokuqeda okuhle. Ngaphezu kwalokho, i-ASTM B564 ANS N02200 Flanges Blind

I-ASTM B705 Alloy 825 I-Weld Radioactive Radioactive Waste Waste Radioact kanye nophethiloli wenuzi ukuvuselela. Imvamisa, izitshalo zamandla enuzi kanye nezitshalo zokucubungula ezinemisebe zikhipha amandla aphezulu afudumele.

Singabakhiqizi be-Alloy 20 Lap Flanges ehlanganisiwe ekhombisa ukumelana nokugqwayiza okujwayelekile okuhlangenwe nakho kwama-sulfuric acid, okudingeka kakhulu ezitshalweni zokukhiqiza zenjoloba zokwenziwa kanye namathangi okuxuba.

Isetshenziswa kabanzi ekuhlolweni kwamafutha okuphuma olwandle kanye negesi \ Prokhiqiteleni kanye nakushintshile ekushiseni ku-petrochemical \ ukucubungula kwamakhemikhali.

I-Gold Steel P91 ka-A335 EFW Pip iyindlela ye-auntenitic ye-auntenitic yayo yokuqina nokuqina kwamandla kungathuthukiswa ngokusebenza kubanda. Lawa mapayipi asetshenziswa kabanzi emafutheni nakugesi, izitshalo zamandla, ukudala umkhumbi, ezobunjiniyela ezisindayo kanye nezinye izimboni. Yonke imikhiqizo ihlangana noma idlula amazinga emboni ye-API, ASTM, ASME, ANSI namanye amazinga kazwelonke nawamazwe aphesheya.

Ubuningi be-titanium bungama-60% e-60% yensimbi engenasici kanye ne-nickel alloys, lokhu kulondolozwa kwesisindo kwenza kube ukukhetha okuthandwayo kuzinhlelo zokusebenza lapho lokhu kubalulekile njenge-aerospace.

UConfel 625 Ukhombisa ukumelana okuphezulu ekugqwaneni kanye ne-oxidation, amandla aphezulu kanye nobunzima, kanye namandla okukhathala okuhle kakhulu. Le ncwadi ye-nonmagnetic, esuselwa ku-nickel inikezela ngobubanzi bokushisa obubanzi bokushisa

Incoloy 800h Flange Sinedumela eliqinile embonini ngokukhiqiza ama-flanges asezingeni eliphakeme lezinhlobo ezahlukene ezizohambisana nezidingo zamakhasimende ethu. Sikhiqiza incoloy 800 Flanges ethembekile futhi ephezulu ngekhwalithi. Sisebenzisa izinsizakusebenza ze-premium kanye nemishini ethuthukile yokukhiqiza i-ASTM B564 ANC N08800 Incoloy 800 Flangetes.

I-S32750 S32760 Super Dumplex Amapayipi Ensimbi Engagqwali ngokumelana kahle kwe-Pitling Pipling yasendaweni

304 310s 347 I-Stainless Fittings Fittings Elbows - Zhengzhou Huitong Pipeline Equipment Co, Ltd.

INilo Alloy 36, w.nr 1.3912, i-Invar 36® iyi-nickel-iron, i-alloy elawulwa okuphansi equkethe ama-nickel angama-36% futhi anezinga lokunwetshwa kwensimbi ecishe ibe yishumi lensimbi ye-carbon.

Insimbi engagqwali 316l yenziwe ngensimbi e-auntenitic engagqwali nge-chromium, i-nickel kanye ne-molybdenum ekwakhiweni kwayo, ngokuqukethwe kwekhabhoni ephansi kune-grade 316. Okuqukethwe okuphansi kwekhabhoni kwepayipi kwenza kube lula ukufaka izinhlelo zokusebenza ze-welding.
I-HT Pipe iyinhlangano edumile yokukhiqiza, ethumela ngaphandle ne-staciest inkampani ebibambisene nokukhiqiza
Ukufakwa kwamapayipi wensimbi
I-Luxembourgish
Azerbaijani
205 (MPA)
Amandla asheshayo
Imigoqo yensimbi yekhabhoni kanye nezinduku
Ukukhiqiza i-ASME B36.10 ASME B36.19
Ubukhulu: SCH5 ~ Schxxs
\ 5 ^ kususelwa ku-
Hastelloy x nippolet flanges hastelloy x slip on flanges
A312 S31254 1.4547 Amapayipi Ensimbi Engagqwali

I-alloy inezakhiwo ezinhle kakhulu zemishini e-subzero.Fof Ukunamathela ezidingweni zamakhasimende ethu kangcono, kubalulekile ukuthi senze ukufakwa kwamapayipi we-monel ngezinhlobo ezahlukene, kanye nalowo nalowo okhonza okuthile okuthile.
Amalangabi ensimbi engagqwali
I-Luxembourgish
Azerbaijani
205 (MPA)
Amandla asheshayo
Imigoqo yensimbi yekhabhoni kanye nezinduku
Ukufakwa kwensimbi engagqwali kwengcindezi ephezulu
Ubukhulu: SCH5 ~ Schxxs
\ 5 ^ kususelwa ku-

I-Duplex Insimbi engu-2205 (I-Ferritic ne-Auntenitic) isetshenziswa kakhulu kuzinhlelo zokusebenza ezidinga ukumelana namandla amahle. Leli banga linikeza ukumelana okuphezulu kokugqwala

I-SB564 ANS N02200 FLANO The Nickel 200 Flangetes ayihlala isikhathi eside, aqinile, futhi abe nokuqeda okuhle. Ngaphezu kwalokho, i-ASTM B564 ANS N02200 Flanges Blind
Ukufakwa kwamapayipi wensimbi
I-Luxembourgish
Azerbaijani
205 (MPA)
Amandla asheshayo
Imigoqo yensimbi yekhabhoni kanye nezinduku
Ukukhiqiza i-ASME B36.10 ASME B36.19
Ubukhulu: SCH5 ~ Schxxs
\ 5 ^ kususelwa ku-
Hastelloy x nippolet flanges hastelloy x slip on flanges
Ubude: Ngokwesidingo sakho. "

I-Hastelloy C2000 iyatholakala ngosayizi nobukhulu obuhlukahlukene, lolu hlobo lwe-nickel-chromium-molybdenum alloy ludume ngamandla alo aphakeme nokuphikiswa kokugqwala.

I-Incoloy Alloy 800 \ 800h \ 800ht fasteners (amantongomane kanye nama-bolts) wokumelana ngokweqile ngisho nasezindaweni ezihlonishwayo. Ngenxa ye-nickel ephezulu kanye nokuqukethwe kwe-chromium, incoloy 800 hex ikhanda ama-bolts wenqaba i-oxidation kanye ne-caribuzization emazingeni okushisa aphezulu. Ibhalansi yamakhemikhali ivumela incoloy amantongomane ayisikwele angama-800h ukukhombisa ukumelana okuhle nokuzikhandla, ukwenza i-oxididing and nitrises.

I-ASME B36.19M ingukucaciswa okujwayelekile kwamapayipi ensimbi angenasici, acacisa ubukhulu, ukubekezelelana kanye nezidingo zokukhiqiza amapayipi afakwe emthungo.

I-HT Pipe yenza insimbi engenasici angu-304 ipayipi i-elbow ngokuqina okuphezulu nokunemba kobukhulu obuhle. I-S30400 iyi-alloy ethandwayo enezindawo ezihlukile zamakhemikhali nezemishini. Le alloy inikeza ukumelana okuphezulu kokugqwala kanye namandla ashubile ukuze axhase ezindaweni ezinokhahlo. I-ASME SA403 insimbi engenacala 304h ipayipi i-Elbow ine-wallAbility enhle kakhulu kanye nezimpawu zokubumba. Ngaphandle kwalokhu, lo mbhoxo wepayipi wepayipi 1.4301 umelana kakhulu nokuphamba, ukugqwala kwe-crevice kanye nokuqhekeka kokugqwala kwengcindezi. Amakhasimende ethu ancoma kakhulu i-SS 304L Pipe Elbow ngokuqedwa kwayo okuhle futhi impilo ehlala isikhathi eside.

I-Alloy 22 (us N06022) yi-nickel chromium tungssum tungsten alloy ngensimbi elawulwayo. Ngenxa yokuqukethwe kwe-Alloy 22 Lokhu okuqukethwe okukhombisa ukumelana okuhle nokuphambana nokunciphisa izimo kanye nalabo aqukethe ama-acid ahlanganisiwe.

Amashubhu angenamthungo angama-600 angenamthungo we-Ex Enc N06600 ne-ASTM B167 yibo abakhiqizwayo ukuze bagxile ekucindezelweni okukhulu ngokweqile futhi beze newaranti enkulu.

Abakhiqizi bensimbi engagqwali

I-Chromium, i-molybdenum, i-nickel ne-nitrogen bonke abanikela ngokumelana nakancane ekugcekeni yimidiya ehlukahlukene

Lokhu kusetshenziswa ekwakhekeni kwamashubhu, ama-boilers kanye nama-super heater. Kwezinye izinhlelo zokusebenza eziningi, lokhu kuyasetshenziswa futhi kuyatholakala kolunye usayizi nobukhulu.

Emazingeni okushisa aphezulu phambi kwama-agents axidising, izingoma ze-titanium ne-niobium yefilimu ye-oxide ku-Incon 625 ukukhuphuka kakhulu ukwakha isendlalelo sokuvikela semvelo kokuqukethwe.

ECopper-Nickel Copper kanye ne-nickel eduze kwetafula lezikhathi, izinombolo zabo ze-athomu zingama-29 no-28, ngokulandelana, futhi izinsimbi zazo ze-athomu zingama-63.71. Ngokuvamile kwakhiwa izinhlelo zokusebenza zasolwandle, kepha manje zisetshenziswa kabanzi ezitshalweni zokuncibilikisa ze-multi-stage flash desalination.

I-Coil 625 Coil ibonakala ngokumelana kwayo okuhle kwi-oxidation, ukugqwala okushisa kakhulu nokukhathala. I-ASTM B443 EX N06625 INCONEM PLATTE isetshenziswa kabanzi e-Aerospace, ukucubungula amakhemikhali kanye namafutha kanye negesi ngenxa yamandla ayo aphakeme, izinkambiso nokuqina okuphezulu.
Ukufakwa kwamapayipi wensimbi
I-Luxembourgish
Azerbaijani
205 (MPA)
Amandla asheshayo
Imigoqo yensimbi yekhabhoni kanye nezinduku
Ukukhiqiza i-ASME B36.10 ASME B36.19
Ubukhulu: SCH5 ~ Schxxs
\ 5 ^ kususelwa ku-
Hastelloy x nippolet flanges hastelloy x slip on flanges
Ukumelana nokungamelana ne-600 amapayipi ama-antioxidant

Naphezu kwamandla alo, titanium asebenza kalula. Le mfanelo ehlanganiswe namandla ayo, ukuqina, ukuqina kanye nephuzu eliphakeme elincibilikayo kwenza kube yinsimbi efanelekayo kakhulu ngeshubhu eliphakeme lokusebenza.

I-A789 EXS S31803 ne-UNS S32205 amamaki amabili wensimbi engenacala esetshenziswa kabanzi kwizicelo ezahlukahlukene zezimboni. Lawa mapayipi we-Duplex S31803 ayaziwa ngokumelana kwawo okuhle kakhulu, amandla aphezulu, nokushiswa okuhle. I-A789 ingukucaciswa okuhlanganisa amashubhu angenamthungo nama-welded enziwe ngensimbi engenacala.

Iyakwazi ukubekezelela uhla olubanzi lwamakhemikhali we-oxidizing kanye nama-non-oxidizing, futhi kukhombisa ukumelana okuvelele ekuhlaselweni okukhonkotha nokukhohlisa phambi kwama-chlorides namanye ama-halide.

Ama-alloys amelana nawo aphikisayo asetshenziswa kabanzi yizimboni zokucubungula amakhemikhali. Isidingo sokusebenza okuthembekile siholela ekwamukelweni nasekukhuleni kwazo ezindaweni zamandla, ezempilo kanye nezemvelo, uwoyela kanye negesi, amakhemikhali kanye negesi yokuhlanza igesi.

I-Titanium iqala ukusabela ngama-molecule we-oksijini acishe ibe ngu-1,200? C, futhi ingabonisa indlela efanayo yokushisa okuncishisiwe ku-610?

I-Chromium ephakeme, okuqukethwe kwe-molybdenum kanye ne-nitrogen kuphumela ekumelaneni kwe-pipling okulinganiselayo (pren)> 40, ukuhlinzeka ngamakhono wokugqwala okuphezulu kanye nama-creplex ama-stainles cishe kuyo yonke imithombo yezindaba eqinile, kanye nokushisa okubucayi okuphezulu ngenhla kwe-50¡ngÃc ngaphezulu kwe-50¡ngÃc.

I-Nickel 200 Flinges the nickel 200 Flanges ayahlala isikhathi eside, aqinile, futhi abe nokuqeda okuhle. Ngaphezu kwalokho, i-ASTM B564 ANS N02200 Flanges Blind

Din931 Ens N08810-I-Incoloy 800h okuyingxenye yentambo yemvelo nickel alloy hex bolt 1-2-13 incoloy 800h hex bolt m30 black hex bolt

I-304 inezakhiwo ezinhle kakhulu zemishini futhi imelana nama-ejenti ahlukahlukene awonakele. 304 \ 304l amakhoyili ensimbi engagqwali namapuleti ayingxenye yomndeni wensimbi engenasici. Ibanga le-304 linokuqukethwe okuphansi kwekhabhoni kune-302 futhi 304 \ 30L \ 30L \ 30 304l inokuqukethwe okuphansi kwe-carbon 304. Izinhlobo ezingama-304 no-304l zivezwa kahle kakhulu kanye nokuvikelwa komkhakha womkhakha wamakhemikhali.

Okuqukethwe okuphezulu kwe-molybdemum yensimbi engu-254smo insimbi engagqwali kwenza kube nezinga eliphakeme le-oxidation lapho kufakwa ngaphakathi, okuholela endaweni ebanzi ngemuva kokukhanyisa insimbi evamile engagqwali. Kodwa-ke, lokhu akunamphumela omubi ekumelaneni nokugqwala kwensimbi.

I-Incons 725 Bolt Material ihlangana ne-ASTM B446, B564, F467, F468, F467, ANS 56856, ukumelana nokushisa okuphezulu kanye nezicelo zokushisa eziphakeme kuze kube yi-1000O C (1800O F).

Ukunwetshwa okulungiselelwe i-iron-nickel-cobalt alloys, ama-kovar alloys, ube nokwanda okunezinwele okuqondile okufana nalokho kwengilazi enzima ngaphakathi kobubanzi bokushisa obuthile