Unt n08367 seamless tube al6xn welded tube

Iyo Corrosion inodzivirira nekukurumidza Alloys inoshandiswa zvakanyanya nemaindasitiri emakemikari ekugadzirisa kwemakemikari. Kudikanwa kwekuita kwakavimbika kunotungamira mukugamuchirwa kwavo uye kukura munzvimbo dzesimba, hutano uye nemafuta uye gasi uye firmace fashformation maindasitiri.

Alloy Simbi Flanges, maLelly Flanges akanyatsogadzirwa uchishandisa tekinoroji yazvino pasi pehunyanzvi hwekutungamirirwa kwehunyanzvi hwenyanzvi hwakakwaniswa muboka rekugadzira.

A789 unt s31803 uye unt S.2205205 ​​makumi maviri emakiredhi eDuplex Spainless Simbi iyo inoshandiswa zvakanyanya mune dzakasiyana siyana maindasitiri. Idzi duplex s3118803 mapepa asina masevedza anozivikanwa nekukora kwavo kwakanyanya kupesana, simba rakanyanya, uye rakanaka kwazvo. A789 ndeyekutaura iyo inovhara masapu uye yakavezwa mabhebhu yakagadzirwa kubva kuDuplex Spainless Simbi.

Kurumidza Alloys Directory
Vatengi Ongororo
Mhedzisiro yakasanganiswa yekuita uye inowedzera kugadzirwa kweiyo isingabvumirwe Alloy Alloy 800ht mvumo yepamusoro dhizaini yekushushikana kuti iwirirane pane inobvumirwa kuwanda kwehuwandu 800H.
HTTPS: \ / \ / www.hippipe.com \ / Steelpipe

Incoloy 800h Flange isu tine mukurumbira akasimba muindasitiri yekugadzira yakakwirira-mhando mafirita emhando dzakasiyana dzaigona kukodzera zvinodiwa nevatengi vedu. Isu tinogadzira incoloy 800 flanges iyo yakavimbika uye yakakwira mumhando. Isu tinoshandisa mari dzekutanga uye temberi yemachina ekugadzira ASTM B564 uns n08800 incoloy 800 flanges.

ASTM A105 Yakagadzirirwa Fittings yemamiriro akasiyana-siyana eindasitiri ekugadzirisa. Chigadzirwa kune vatambi vepamoyo uye epasi rose vanopihwa pamazhinji anotaridzika mitengo. Chigadzirwa icho chakagadzirwa zvinoenderana nezvinhu zvakasiyana-siyana zvisina kujairika zvinhu. Vari kunakidzwa nekuva nemukurumbira wakanaka mumusika.

Nilo Alloy 36, WMR 1.3912, Invar 36® is a nickel-iron

Al6xn is SuperAdyaTic STOLLess STOL isina simba rekupokana ku chloride pomber, crevic corrosion uye kusagadzikana corrosion kupaza. Al6xn ndeye 6 moly Alloy iyo yakagadziriswa uye inoshandiswa munzvimbo dzinotyisa kwazvo. Iyo ine yakakwira nickel (24%), molybdenamu (6.3%), nitrogen uye zvirimo zvirimo zvinopa kupokana kushamisira, Al6xn inonyanya kushandiswa kune yayo yakavandudzwa pombi uye crevice corrosion kuramba mu chlorides. Iyo inzvimbo inoyevedza uye inotyisa isina simba.

Sezvo chete rudzi rwebhoni carbon irambe kukanganwirwa inotsanangurwa mune iyi mwero, A105 inoonekwa semhando yekukosheswa carbon simbi giredhi.

Kurumidza kuC2000 kunowanikwa mune dzakasiyana-siyana saizi uye gobvu, rudzi urwu rwechromini-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum-molybdenum

ASME B36.19M ndiyo yakatarwa yetsvina yetsvina, inotsanangura zviyero, kushivirira, uye zvinodiwa nezvikumbiro zvemubayiro miviri uye zvisina maaipi.

Alloy Steel F9 Wakatemerwa Flanges ndeye 100% Inodzokororwa, uko 50% yeSimbi nyowani inogadzirwa uchishandisa zvakare Scaps Simbi Simbi inogadzirira iyo eco-hushamwari. Kune akasiyana makirasi kuratidza maitiro ekumanikidza ekumanikidza kwemalanges. Iyo sa182 F9 RTJ Flanges mhando yeFlanges nekuti ivo vanouya muzvikamu zviviri zvine miti miviri iyo inovharwa pombi inotanga uye ipapo mapepa anounzwa pamwechete nekubatikana.

Sae 304 Simbi isina tsvina ndiyo yakajairika simbi isina tsvina. Simbi ine ese chrromium (pakati pegumi neshanu kusvika makumi maviri neshanu muzana) uye nickel (pakati pe8% uye 10.5%) [1] simbi simbi isiri-simbi. It is austenitic simbi isina simbi. Izvo hazvina kunyatsoita uye nenzira yekunyora pane carbon simbi. Iyo yemagineti, asi isinganyanyi kushomeka kupfuura simbi. Iyo ine yakakwira kurwisa kupesana kupfuura nguva dzose simbi uye inoshandiswa zvakanyanya nekuda kwekurererwa iyo iyo inoumbwa mumhando dzakasiyana siyana. [1]

Mahara anogona kunge akagadzirwa kubva kune anokosheswa, kukanganisika, kana mahwendefa anovhara mhando dzakasiyana-siyana uye emakirasi eAsme b16.5 uye ASME B16.47 (mese mutsara a uye nhaurwa b). Simbi isingazive 304 \ /34l flanges yeAsme b16.5 inowanikwa mumakirasi 150, mazana matatu, mazana manomwe, mazana matanhatu, mazana manomwe, mazana manomwe.

Mapuro 254 mapepa anogona kutsungirira kushushikana kwakakwirira uye alloy 254 sm

Izvo zvinokwanisa kutsungirira huwandu hwakawanda hwekuita oxidizing uye zvisiri-oxidizing makemikari, uye zvinoratidzira kuramba kwakanyanya kudzikisira uye kurwiswa kwechikepe pamberi pehuku uye kumwe kudziya.

Incoloy 800h pipe fittings elbows inoratidzira kupokana kwakanyanya kumvura yegungwa uye brine
Stainless simbi mhando 1.4401 uye 1.4404 inozivikanwawo semakirini 316 uye 316L zvichiteerana. Giredhi 316 ndiyo yegiredhi reAustenitic yechipiri kusvika pamakumi matatu nemakumi matatu mukutengesa kukosha.
Inconel 600 pombi antioxidant kuramba

Aya maFastener akagadzirwa zvinoenderana nehunhu hwezvinhu zvisina kugadzirwa zvinoenderana nemitemo yenyika uye dzenyika, zvichiita kuti ive yavo yekusagadzikana uye mhando yepamusoro.

Alloy 800 Weld mitsipa inovhenekera isu tine mukurumbira wakasimba mune indasitiri yekugadzira yakakwira-mhando mafirita emhando dzakasiyana dzaigona kukodzera zvinodiwa nevatengi vedu. Isu tinogadzira incoloy 800 flanges iyo yakavimbika uye yakakwira mumhando. Isu tinoshandisa mari dzekutanga uye temberi yemachina ekugadzira ASTM B564 uns n08800 incoloy 800 flanges.

Inconel 625 inobatsira muAerospace uye nzvimbo uko kwakanangana nemamiriro ekunze senge matemba, tembiricha, uye kumanikidza vese vanoita basa rakakosha mune izvo zvinyorwa. Alloy 625 ine simba rakakwirira kwazvo simba, simba rinokwenenzvera uye kupinza simba, mukuwedzera, ine overrarifue yekuneta uye oxidation kupokana uye kugadzirwa, zvichiita kuti iite kuti ive yakakodzera kune erospace.

Alloy 800 is a Nickel-simbi-Chromium Alloy ine simba rakanyanya uye rakanyanya kupokana ne oxidation uye corrosion pakupisa kwakanyanya. ASTM b407 uns n08800 incoloy 800 W. nr. 1.4876 Yakatemwa Pombi inoshandiswa zvakanyanya zvekuvakwa kwemidziyo inoda kuramba kupokana, kupisa kupesana, simba, uye kugadzikana kwebasa kusvika 1500 ° F (816 ° C).

Stainless Steel Threadolets, Mugadziri weAsme \ / Ansi b16.11 Acriptolets, Carbon Steel Threadolets, Ansi B16.11 Yakacheneswa Allet, Nickel Alloy AlletSolets Muchina.

Stainless Steel Flanges
ATME B16.11 Acrecholet ndiyo yakakurumbira bazi bazi Migumo yetambo inodakadza inodonhedza kufambisa maitiro eWalking, uye nekuda kweichi chikonzero. Threadolet iri yemhuri yeButt weld fittings.

Yese yedu isina tsvina simbi mablts uye nzungu haina hushoma hwekuraira huwandu, iwe unogona kuraira zvishoma sebhandi rimwe kana nati. Kana iwe usiri kuwana zvauri kutsvaga, ndapota taura nesu.

S.2760 inorema hex nuts yakakura zvishoma uye yakakura kupfuura chiyero (chakapera) hex nzungu. Kune akawanda mamakisi uye maitiro anorema kazhinji anoshandiswa kune yakakura dhisiki uye yakakwirira simba bolts.

Yakagadziriswa-Kuwedzera Girazi-Yakacheneswa Iron-Nickel-Cobalt Alloys, gadzira mutsara wekuwedzera anowedzera kufanana neiyo yegirazi rakaoma mukati meimwe tembiricha yekupisa
Stainless Steel Al-6xn Tube Asme SB 676 uns n08367 tubing

Yakakwira Chromium, Molybdenum uye nitrogen yezvinyorwa zvinopa mukudzikisira kwakaenzana nhamba (40, kupa zvakakwirira kudzikisira kugona kuAustenitic uye duplex stainly media, uye tembiriro rakadzora kupfuura 50¡¡¡.

304 Kupwanya mahwendefa kunoitwa makumi matatu nemashanu simbi, zvinhu zvakajairika uye zvakakurumbira muzvinyorwa zvakawanda zveindasitiri izvo zvinoda kuramba kupokana neoxdion uye oxidation. Aya maS30400 kupaza mahwende ekupaza anogadzirira uchishandisa hunyanzvi hwemachina uye maitiro, ayo anoona kuti vakanyatsojeka uye vakavimbika.

Titanium yeTitanium inenge 60% iyo yeStusless Simbi uye Nickel Alloys, uremu uhu hunoita kuti ive sarudzo yakakurumbira mukushandisa kwakadai sekusarongeka.

316L 1.4401 S31603 Stainless Steel pombi inzvimbo inoverengeka uye yekubhadhara pombi inowanzo shandiswa mune dzakasiyana siyana dzekushandisa maindasitiri uye dzekutengesa. Iyi SS uns s31603 pombi inogadzirwa kubva kune yakakwirira mhando 316l simbi simbi ine simba rakanakisa kuCorrosion, oxidation uye yakaita kuti ive yakakodzera nharaunda dzakaoma kana dzakanyanya kushushikana.

ASTM A193 B7 ndiyo yakajairwa yezvinhu zvimiro zvechromium-molybdenum alolly simbi yekuzvimirira kweiyo yepamusoro-simba, yakakwirira-tembiricha, uye yakakosha-chinangwa. Giredhi B7 ndeyekupisa kwerromium molybdenum Alloy simbi ine zvishoma zviyero zvegumi zve10 Iyo ASTM A193 Spection inovhara zvinodiwa zvemakemikari, michina yezvivakwa, kuomarara, kurapa kwekupisa, uye zvakakurudzira washers for Clashers B7 Forshers B7 Forners B7 Forners B7 Forthers. ASTM A193 B7 ndiyo yakawedzera kutaurwa kweZvimedu, zvinowanzo kuwanikwa mumabhodhi kana mapaipi, midziyo, mavhavha, macves, macves, macves, macves, macves, malanges uye flang.

SHOK uye mapofu mapofu marudzi akajairika emapuranga ari mugiredhi re105. Aya marudzi anofungidzirwa anogona kusiyaniswa kubva pane zvimwe zvinhu.

Iko kusanganiswa kweNickel uye Chromium kunopa dziviriro mune ese oxidizing uye kuderedza mamiriro ekunze. Iyo yakakwira mickl yezvinyorwa zvakare inopawo kupokana ku chloride ion inoshungurudza corrosion ichipaza. Kupokana nekugadzirisa uye crevice corrosion zvakare kwakanakawo. Iyo Alloy inogadzirwa neyekurumidzira maitiro, asi inogona kupihwa kushandisa mhepo yekunyungudutsa imwe-yevatengi electrode (var kana Esr) kana zvinhu zvakatemwa kubvumirana.
Kovar Alloy 4J29
Vietnamese
ChiNorwegian
ChiSlovanian
Rukusembogi
Duplex Steel Bars & Rods
Nickel 201 Seamless Tube Nickel 201 Alloy Round pombi
Yakagadzirirwa Pipe Fittings
Alloy Simbi Mahwendefa & Masheets & Coils
ASME B16.5 Kirasi 150 304L Flange Astm a182 F304 Stainless Steel Flange
A789 uns s31803 uye uns s32205 seamless tubing

Iyo inoratidza kupokana kwakanaka kune vasina kwavakarerekera uye kuderedza nharaunda. Aya maitiro aya anogadzira iyo ine mhuru, yefirimu rinodzivirira risingabvumirwe, asi rinochengetedza oxidation kupokana nekunyanyisa kupisa.

Unt n08367 zvinowanzoitika seyakajairika al6xn is a lowl kabhoni, yekunyora "

ASTM A694 Carbon Simbi ndiyo yakajairika giredhi reCarbon Simbi inoshandiswa kune kutenderera kwekutenderera bar. Iyo yakawedzera carbon zvemukati yemukuru inoderedza ductility nekuwedzera simba resimba. Nekudaro, iyo kabhoni zvemukati inopa iyo inotenderera bar nekugona kuomesa panguva yekuwedzera. Ichi ndicho chikonzero chetendeki chakavandudzwa nekuvapo kweiyo Alloy Carbon Steel Grade.

 Mill Tsigri Zvitunha, en 10204 3.1, MICASICK SHEMA RINONZI, DZIDZISO YEMADZIMAI, YEMAHARA YEMAHARA BARTECTION SHEMA, NABL yakatenderwa lab mishumo

Alloy 304 \ / 304l haina-magineti mune yakavanzika mamiriro, asi inogona kuve yemagineti zvishoma semhedzisiro yekutonhora kushanda kana kutonhora. Inogona kuve nyore kugadzirwa uye kugadziriswa neyakajairika shopu maitiro maitiro.

ChiIndonesian
SS ASME B16.11 Acrecholet ine yakanakisa kuramba ku chloride-ion kushushikana-corrosion kupaza, uye kunyatsoratidza kurwisa kwakakodzera kune dzinoverengeka manhamba ehodhi. Ansi B16.11 Acredalet yakakura kwazvo kupokana nekemikari Corrosion uye oxidation (Corrosion inodzivirira), uye ine yakadzika yekukwenenzvera uye yakaderera marobhoti ekushushikana kwakanyanya pakudziya mushure mekutengesa kwakakodzera kuparara.

inowanzogadzirwa mu 3000 uye 6000 yekumanikidza kirasi. HT PIPE, ANSI B16.11 Aptiolets Exporter Shunzi Dzakakodzera Sort Iwe unogona kutibata nesu mukuda kweAsi b16.11 yakacheneswa yekubuda yakagadzirwa kubva kune yakakosha zvinhu kana yakagadzirirwa pombi yekupa dhizaini.

Iyo inoshandiswa zvakanyanya muBegshore mafuta uye gasi kuongorora \ / / kugadzirwa uye mune yekushambadzira kuchinjanisa muPetrochemical \ /Memical kugadziriswa.

Simbi isina tsvina yakarongedzwa pombi yakakodzera
SS ASME B16.11 Acrecholet ine yakanakisa kuramba ku chloride-ion kushushikana-corrosion kupaza, uye kunyatsoratidza kurwisa kwakakodzera kune dzinoverengeka manhamba ehodhi. Ansi B16.11 Acredalet yakakura kwazvo kupokana nekemikari Corrosion uye oxidation (Corrosion inodzivirira), uye ine yakadzika yekukwenenzvera uye yakaderera marobhoti ekushushikana kwakanyanya pakudziya mushure mekutengesa kwakakodzera kuparara.

Nickel yakavakirwa 800 incoloy hexagonal pombi inozivikanwa kuti uve nekudzikisira kwakanaka kuora. Kunyanya kutaura, iyo incocoy 800 pombi inopa kudzikisira kwakaringana kurwisa carburization pamwe ne oxidation corrosion.
Kovar Alloy 4J29
Vietnamese
ChiNorwegian
ChiSlovanian
Rukusembogi
Duplex Steel Bars & Rods
Nickel 201 Seamless Tube Nickel 201 Alloy Round pombi
Yakagadzirirwa Pipe Fittings
Alloy Simbi Mahwendefa & Masheets & Coils
ASME B16.5 Kirasi 150 304L Flange Astm a182 F304 Stainless Steel Flange
Titanium tubing yakakwira simba uye yakaderera density
ASTM ASME SB 166 Alloy 600 incavel 600 inotenderera Bar unt n06600 bar Nickel Alloy Bar
Kwekusimbisa kusimbisa girazi rine hard girazi

inconal 600 is a nickel-chromium alloy inoshandiswa kuti zvibodzwa zvinoda kupisa kwakanyanya kupisa uye kuparadzanisa. Iyi Nickel Alloy yakagadziriswa tembiricha yebasa kubva kuClyogenic kune yakasimudzwa tembiricha muhuwandu hwa2000.

Nickel Alloy 400 uye Monil 400, inozivikanwawo seMunyuti N04400, iri DUCTICE ANICEL-BEPHER AllEY INYKEL NYKEL uye yechitatu-yechitatu yengozi. Nickel Alloy 400 inozivikanwa nekudzivirira kwayo kune akasiyana mamiriro ezvinhu akaora, kusanganisira Alkalis (kana acids), mvura yemunyu, hydrofluor acid, uye sulfuric acid. Sezvo Monil 400 kana Alloy 400 isimbi inotonhora yakashanda, uyu mutero ane kuomarara kwakanyanya, kuomarara nesimba. Nekutonhora

Kupisa yakakwira 4140 Simbi bar ndeyekuti yepakati carbon alloy simbi nekureba kuomarara. Iyi giredhi inoshandiswawo zvakanyanya mukukanganwirwa.

ASME B366 Incoloy 800 elbow rinoramba mvura yekugadzirisa kwemaviri kupisa.

Kuenzaniswa ne137l Simbi Isina Simbi, simbi yesimbi ine simba rakanakisa kuCloride Pirling uye Crevice Corrosion. Iyo Alloy ine yakanakisa kurwisa kumvura yegungwa uye kwakanyanya kutarisisa kwe sulfuric acid. Mukuwedzera, inodzivirira kuSulfide kushushikana corrosion kupaza (nzvimbo dzegasi gasi)

Buttweld seamless stainless simbi pombi fittings 316 pombi inokotama inopa kupokana nekumisa uye crevice corrosion
Kovar Alloy 4J29
Vietnamese
ChiNorwegian
ChiSlovanian
Rukusembogi
Duplex Steel Bars & Rods
Nickel 201 Seamless Tube Nickel 201 Alloy Round pombi
Yakagadzirirwa Pipe Fittings
Alloy Simbi Mahwendefa & Masheets & Coils
ASME B16.5 Kirasi 150 304L Flange Astm a182 F304 Stainless Steel Flange
Nickel Alloy Plates & Masheets & Coils

Sezvo ASME B16.11 Animeolets mutengesi, isu tiri mugadziri & kunze kweAsme b16.11 yakatsemuka yekubuda mune dzakasiyana siyana mumhando dzakasiyana siyana uye saizi. Zvipfeko zvakatemwa zvakafanana nezvimwe zvinobuda, musiyano chete ndewekuti iyi yehuku yakashongedzwa neyechikadzi yakanangana nekadzi kubatana. Hapana weldinging inodiwa mune ino kubatana. Izvi

Mapepa ePepa reApple ane yepamusoro-yepamusoro-kubereka kugona uye simba pamusoro pemamwe mamakisi.

ASTM a182 F12 Alloy Steel Flanges ine Niobium yekudzivirira kusekerera uye kukonzera kuyamwisa corrostion.
Kuti uburitse pombi, inodikanwa kubvisa iyo yakananga hose pombi. Paunenge uchishandisa mapipi akasiyana-siyana, mapipi akasiyana siyana anofanirwa kushandiswa. Kana pombi inoshandiswa, iyo celbow inofanirwa kushandiswa kuchinja saizi yePombi. Kana kuunganidza, iyo nhatu-nzira pombi yekubatanidza inoshandiswa pombi dzakasiyana uye kusvika pakutenderera kwekutenderera kwePombi , Mukubatana kwezviridzwa zvakasiyana-siyana, kunewo vanobatana uye mapundu echiridzwa.

Inconel mazana matanhatu emasaini emasumbo extucum yetube of standard unt n06600 uye ASTM

ASTM A316 TP316 chiitiko chakajairika chechisema, seam yakakwira, uye inotonhora yakashanda yakashanda muAustenitic isina mapaipi ebundu uye general corrorive. Pombi 316 isina kugadzirwa yeindasitiri yakagadzirwa kubva musanganiswa weChromium, Nickel, uye Molbdenum, iyo inopa SS 316 seamless tube yakanakisa kuramba uye ngura.
Duplex Simbi Fasteners
Vietnamese
ChiNorwegian
ChiSlovanian
Rukusembogi
Duplex Steel Bars & Rods
C2000 Kukurumidza Alloy Tubing Unokurumidza C2000 Seamless Pipe
Yakagadzirirwa Pipe Fittings
Alloy Simbi Mahwendefa & Masheets & Coils

Inconel 6 00 ROPT Bar ndeye Nickel-yakavakirwa Alloy ine benign carburization uye yakanakisa corroson kuramba pane yakanyanya kupisa tembiricha. Inconel 600 matende ezvipfuyo zvinoshanda kupesana nekuomesa cl2 uye mamwe mamwe matsime akasiyana pakupisa uye kwakanyanya kupisa. Alloy 600 bar is a nickel-chromium acloy ine zvakanaka oxidation kupokana uye kuramba kuChroride yekudzvinyirira yekushambadzira, yakanyanya kuchena kwemvura corroson uye acid oxidation pakudziya kwakasimudzwa.

Iyo Alloy inogona kumisikidzwa kune inogutsa kumhanya nemidziyo yemuchina inowanzo kushandiswa muindasitiri. Kazhinji, kutonhora kukweverwa kana kutonhora kukwezva kushushikana kwekuyamura zvinokurudzirwa nemakona akanakisa uye apedza.
Kovar Alloy 4J29
Vietnamese
ChiNorwegian
ChiSlovanian
Rukusembogi
Duplex Steel Bars & Rods
Nickel 201 Seamless Tube Nickel 201 Alloy Round pombi
Yakagadzirirwa Pipe Fittings
Alloy Simbi Mahwendefa & Masheets & Coils
ASME B16.5 Kirasi 150 304L Flange Astm a182 F304 Stainless Steel Flange
Nickel Alloy Plates & Masheets & Coils

Simba rakakwira rinokambaira rinowanikwa kuburikidza nekudzora pamusoro pekristani exins¡ªvia yakanyanya kupisa kurapwa, pamwe chete nekutonga kwakanaka pamusoro kabhoni, titanium, uye aluminium zvirimo.

Simbi yeNgezi yeStu S31254 is a super Austenitic Stainless Simbi Simbi. Ivo vane simba repamusoro vasina simba rakagadzirirwa kuti dziomesere kurwisa chloride crevicer Corrosion, kushushikana corrosion kupaza uye kusimbisa kuora. Aya ndivo Austenites ane yakakwirira nickel uye chromium yezvinyorwa.

Alloy 925 inzvimbo yakavakirwa nickel ine zvakawanda zvesimbi ne chromium, asiwo Molbdenum, mhangura, titanium, uye aluminium. Iko kusanganiswa kwesimba rakakwirira uye kurwisa kwakakura kunoita kuti zviite kuti zviite zvekushandisa senge mavhavha, hangita, mapundu uye mapaipi munzvimbo dzegasi. Inogona zvakare kushandiswa kune vanokurumidza uye pombi shafts munzvimbo dzegungwa.

Aya A234 WPB B16.9 Elbows anoshandiswa mune pombi yekuvaka tsika. Isu tiri kugadzira ASTM A234 WPB ELBOW kubva paPIPES ichishandisa "Mandrel" nzira inobvumira pombi yekuwedzera uye kukotama panguva imwe chete.