Duplex Stainless Steel Simbi ST32750 2507 Round Musoro Bolt Din3577 Mocufacturer

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¡¡¡.

Isu tiri mugadziri, broker, stockist, muridzi uye exporter yeasme sb564 Malel K500 Fasteners uye Flanges anopa musanganiswa wakasarudzika wesimba rakakwirira pamwe neyakafanana corrosion kuramba kune Mazera mazana mana uye akavandudza kuramba kunzvimbo yegasi-gasi.

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

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]

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.

Duplex Alloys anozviratidza kuti anobatsira mukushandisa magiramu emagetsi esimbi anowanikwa pakutadza kukundikana. Iyo microcenture yeiyo duplex pombi yezvinyorwa zvine chikamu chevanyori vese veAustenite uye nherera.
Kurumidza C276 N10276 mapaipi neWn Flanges Elbow uye Tee

MaDRDS anodzvanywa pamigumo miviri uye yepakati screw, ingangoita kana kutete. inowanzo shandiswa mumuchina, motokari, motokari, pylon, nzvimbo refu-simbi marara uye zvivakwa zvakakura. Bhawa ibhandi rine danda rakakura kana isina musoro, senge sija.

Duplex simbi pombi & tube
Chinese (Rakarerutswa)
Flange inogona kuve ndiro yekuvhara kana kuvhara magumo emuzipi. Izvi zvinonzi bofu risingaone. Nekudaro, marinda anoonekwa seyakaverengeka zvemukati zvinoshandiswa kutsigira mechaniki zvikamu.
Monel 400 pombi yemapuranga emapuranga emaziso

Sch40 Monil 400 Pipe yakasarudzwa seWerkstoff Nhamba 2.4360 uye uns n04400. Alloy 400 pombi inozivikanwa seMameni Alloy 400 Pipe, Mhel 400 pombi & Nickel Alloy 400 pombi.

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.

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).

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

Simba rakakwira reASTM A350 LF2 Carbon Steel Steel Bar rinopa mukana wekudzora uremu uye mutengo seyakaonda zvinhu zvinogona kushandiswa.

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.

Nickel-Conver-based Alloy 400 Mazoni 2.4360 Cold Dy Dhizaina Immuney Immuney Hurlis-Corros Interness yekunetseka painenge ichisimbisa midhiya mune yakajairana nenhamba. Monil 400 is a copper uye nickel yakavakirwa alloy iyo inozivikanwa nhasi nekuda kwekuita kwayo kwakanyanya. Iyo Alloy ine yakanaka acid uye alkali kuramba. Mukuwedzera, ine simba rakanaka rakafanana, ductility, dhiziri rakanaka, uye rinogona kuomeswa nebasa rinotonhora. Pamusoro pezvo, inogona kushandiswa mune zvekushandisa nekupisa kubva kuIns kusvika ku533 degrees Celsius.

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.

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

Seizvozvo maitiro ekuramba ecarisics ecarbon inogona kuvandudzwa nekuwedzera kugadzirisa, zvinokwanisika kuwedzera michina yezvinyorwa zveASTM A105 Fittings nekushandiswa kwekurapa kwekupisa.

Alloy C-276 inotsanangurwa seiyo Alloy C276, inconey c 276 kana kukurumidza kugadzirwa c, iyo iri superloy ine musanganiswa wakakwana weMolybdenum, Nickerl naChromium. Tungsten inowedzerwa, iyo yakagadzirirwa kupa yakanakisa kurwisa kunyangwe munzvimbo dzine hutsinye.

Molybdenum uye nitrogen yezvinyorwa zvakanyanya kuwedzera kudzikisira kwekugadzirisa uye crevic corrosion mune haraide media. Munguva iyi, Nickel naNitrogen havangove nekugadzikana kweiyo methlographical, asi zvakare kuderedza kupatsanurana maitiro mune maitiro ekurongedza

Iyo flange ndeyechipiri inonyanya kushandiswa nzira yekubatanidza mushure mekungoda. Mahara anoshandiswa kana majoini achida kushungurudzika. Inopa kuchinjika kwekugadzirisa. Flange inobatanidza pombi nemidziyo dzakasiyana siyana uye mavharuvhu. Kurambana kwekupwanya kunowedzerwa mune pombi system kana kugara uchichengetedzwa mukati panguva yekuvhiya kwekushandisa.

Zvinokurudzirwa kuti leady ishekeke mumhinduro yakawedzerwa mamiriro ane c-276 filer simbi.

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

Iyo Duplex Stainless Steel Giredhi Alloy Alloy UND S.2750 Washer iplate, iyo inowanzogadzirwa mune diski-mmissige yakaumbwa negomba i.. Dzimwe nguva iripo pakati.

Izvi zvinopa zvakanyatsosimbiswa kuramba kuSulfutic acid. Iyo ine zvakare yakakwira zvemukati, kuti uwedzere kupokana ne oxidizing makemikari uye maitiro ehova dzakasvibiswa neFerric ion uye yakanyungudika oksijeni.

2205 Bolts, Kutenderera Musoro Bolts
Inconel 718 ndeyekutanga kuomeswa kikel-chromium alloy ine yakakwira creeplap kusimbisa simba pakakwirisa kupisa kwakakomberedza 700oC (1290OF (1290OF). Iyo yakasimba kupfuura inconel X-750 uye ine zvimedu zvemakanika pane zvakaderera kupisa kupfuura nimonic 90 uye inconel X-750.

Alloy Steel Giredhiti 2h Flat Washers inowanikwa mune dzakasiyana siyana dzehukuru maererano nemusika uye zvevatengi zvinodiwa. Isu tinotamba chinzvimbo chikuru mukupa vatengi vedu vane mhando yemhando yepamusoro yeiyo Alloy Simbi Giredhiti 2h Lock madzivisi pamwe nezvimwe zvinhu zvakaringana, mhinduro dzetsika, roumba uye zvimwe.

Iro zita rekutengeserana rekusimudzira B2 Tube rinozivikanwa seNds N10665. B2 kukurumidza kwelded pombi ndeyekugadzirisa mhinduro nickel molybdenum yakavakirwa Alloy. Chimwe chezvakakwirira zveiyo Nickel Alloy B2-yakarongedzwa Hex pombi ndiyo kupesana kwayo kupesana.

Yakagadziriswa-Kuwedzera Girazi-Yakacheneswa Iron-Nickel-Cobalt Alloys, gadzira mutsara wekuwedzera anowedzera kufanana neiyo yegirazi rakaoma mukati meimwe tembiricha yekupisa

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.

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.

S.2750 S32760 Super Dupplex Stainless Simbi Mapipi ane Akanaka Pipping Potting Potting Romsance

Alloy 800h \ / 800ht inowanzoshandiswa mukushandisa kwenguva refu kusimudzira tembiricha kune kupokana ne oxidation, carburization uye mamwe marudzi ezvekumisikidzwa tembiricha anodikanwa.

Malel K500 Tube uye Pombi Inosanganisa iyo Yakanakisa Corrostion Resistance yeManel Alloy 400

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

Iyo yakabatanidzwa yakabatanidzwa inoumbwa nezvireverwe zvitatu zvakasiyana uye yakazvimirira kunyangwe isina zvikamu zvemukati; malipi, masika, uye kusungwa; izvo zvakaunganidzwa nechimwe pesvedzero, iyo yakakodzera. Kukosha kwakakosha kunodiwa mukusarudzwa uye kushandiswa kwezvinhu zvese zviripo kuti uwane mubatanidzwa, iyo inogamuchirika kusunganidzwa.
Din127 chitubu Washer
Zvimwe zvinhu
Azerbaijani
Flat Washer
Nickel 200 Flanges
\ / 5 zvichienderana
Kurumidza x nippolet Flanges Kukurumidza X Slip pane Flanges
35Crmo Alloy Steel pombi
Hex bolt £ ¨full thread £ ¬Partial tambo)
Nickel Alloy Alloy 625 Inconel 625 Bolt Asme b18.2.1 Din931
Welding Flange Wn LWL saka bofu Lap Joint Flanges

Duplex 2205 mabhebhi ari pakati peanowanzoitwa anoshandiswa duplex mamakisi. Izvi zvinonzi Standard Duplex Simbi Fasteners. Pane mhando dzakasiyana dzezvimisikidzwa dzakadai sezvidhina, mabhodhi, screws, zvidimbu, zvekutakura, mafuta uye gasi, pepa uye waini uye newaini uye mamwe maindasitiri mazhinji. Iyo yakawedzera mhando inokwanisika nekuda kwekubatanidzwa kweiyo corrosion kuramba, kukwidziridzika kwakanyanya uye nekumusoro kudzvinyirira kupokana kweDuplex simbi 2205 nzungu uye mabhodhi.

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

PIPE kune ASTM A335 P11 inogona kutonhora kukwezva kana kupisa kutenderera. Imwe neimwe chubhu ichadzoserwa kurapwa kwekupisa - zvizere kana isothermally yakashongedzwa, yakagadziriswa uye inodzingwa pakupisa isina kuderera pane 1200¡¡¡ (650¡¡¡¡). Imwe neimwe pombi yekureba ichave yakavezwa kuongororwa kune ASTM A335 P11, pamwe nekuongororwa kwekuongorora uye kuongororwa kwekuona. Longitudinal kana kutapudza tensile bvunzo, bvunzo dzekubhururuka kana dzinokotama bvunzo dzinoitwa kune imwe neimwe kupisa.

Kurumidza c2000 machubhu anoshandiswa mune yakawedzera huwandu hweshanduru yekusanganisira petrochemical kugadziriswa, makemikari ekugadzirisa michina kugadzira, mafuta enyeredzi uye zvidyarwa zvemafuta.

Kubva 254s mo Stainless Simbi pombi inzvimbo yakakwirira yealloy, maitiro ekugadzira anoomeserwa. Kazhinji, vanhu vanogona kungovimba netsika tsika kuti vagadzire iyi simbi yesimbi isina musungwa, yakadai seyisina, kukanda, kukanganisirwa, etc.

Kurumidza C276 ndeimwe yemamwe maLollys anodzivisa kusvika kune werucside gasi, hypochlorite uye chlorine dioxide mhinduro.

Welding yeiyi lelloy yakafanana neiyo yeC-22 Alloy. Gasi Tungsten arc Welding (Gtaw) uye Dziviriro Simbi Arc Welding (Svuta) inowanzoshandiswa kuWeld C-276 Alloys.

Inconel 718 is a nickel-chromium-yakavakirwa-yakavakirwa mari inowanzo shandiswa mukunyorwa-tembiricha zvakakura senge erispace uye gasi turbines. Chimwe chezvinhu zvakakosha mukugadzirwa kweASTM B670 Inconel 718 Sheet ndiyo ndiro iri rolling maitiro. Kune marudzi maviri makuru emapurasiti 718 mahwendefa anowanikwa pamusika: kupisa kwakapetwa uye kutonhora zvakapetwa mahwendefa.

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.

Simbi Flanges inopa mukana uri nyore wekuchenesa, kuongorora kana kugadziridzwa. Ivo vanowanzouya mumhando dzakatenderedza asi ivo vanogona zvakare kuuya mumwere uye rectangular mafomu. Mafirenda akabatanidzwa kune mumwe nemumwe nekusvetuka uye akabatanidzwa kune iyo pombi yekupa neyemhepo kana kuti tambo uye yakagadzirirwa kune zvakananga kudzvinyirira. 150LB, 300LB, 400LB, 600LB, 900LB, 1500LB uye 2500LB.

Flange inguva yekuputika, muromo kana rim, ingave yekunze kana yemukati, iyo inoshandira kuwedzera simba (sekupisa kweiyo danda resimbi senge i-danda kana t-danda); Zvekubatanidza zviri nyore \ / kuendesa kwekusangana kwesimba nechimwe chinhu (sekupenya pakupera kwepombi, steam cylinder, etc., kana pane lens gomo rekamera); Kana kuti zvokutsvedza uye kutungamira mafambiro emuchina kana zvikamu zvaro (sekusiyana-siyana kwemukati wemuchina wemuchina kana tram vhiri, inochengeta mavhiri kubva pamapundu kubva pamapundu). Izwi rekuti "Flange" rinoshandiswawo kune rudzi rwezvishandiso zvinoshandiswa kuumba malanges.

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

Nickel 200 inodonha iyo Nickel 200 malipi anokwenenzverwa, akaiswa pasi, uye iva nekupera kwakanaka. Zvakare, iyo ASTM B564 UNONS N02200 Flanges inopesana neCollan yekuita Corrosion mukurerekera uye exidiing nharaunda, kuita kuti vave vakakwana pakubata kwemidziyo yekubata.

Nickel yakakosha kwazvo kuti nickel-ine mamakisi anogadzira 75% yekugadzirwa kwesimbi. Iyo yakanakisa-inozivikanwa yeiyi mhando 304, iyo ine 8% Nickel uye Type 316, iyo ine 11%.

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.
Alloy inconel 601 kutenderera bar
Zvimwe zvinhu
Azerbaijani
Flat Washer
Nickel 200 Flanges
\ / 5 zvichienderana
Stainless Steel Flange Sa182 Flange F310H Flange saka Flange
35Crmo Alloy Steel pombi
Hex bolt £ ¨full thread £ ¬Partial tambo)

ASTM A240 Type 2205 Plate is a duplex stainless simbi simbi iyo inoshandiswa zvakanyanya mumaindasitiri emakemikari akadai sekuongorora kwemakemikari, kuongorora kwegasi, uye muinjiniya ekumaini. SA 240 GR 2205 pepa rinogadzirwa kubva kuGrade 2205 Simbi isina simbi, iyo iri musanganiswa wesimbi uye autenitic simbi.

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.

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

Iyo ASTM A554 TP304 TP304 TUBE ine imwe nhanho yeCorrosion kuramba nesimba rakanaka. Iko kushandisa kwemutengo weiyo Alloy 304 Tubemake yakatora pamusoro pehuremu hwakawanda hwekushandisa. Iyo ASTM A270 TP304 TP304 TP304 THROMIM uye Nickel Zvigadzirwa Muzvinyorwa uye zvinouya mumhando dzakasiyana dzakadai seSS 304 kusanzwisisika tubs uye kurwisa kwemagetsi kwakasungirirwa.
Din127 chitubu Washer
Zvimwe zvinhu
Azerbaijani
Flat Washer
Nickel 200 Flanges
\ / 5 zvichienderana
Kurumidza x nippolet Flanges Kukurumidza X Slip pane Flanges
35Crmo Alloy Steel pombi
Hex bolt £ ¨full thread £ ¬Partial tambo)
Nickel Alloy Alloy 625 Inconel 625 Bolt Asme b18.2.1 Din931
Stainless Simbi Mahwendefa & Masheets & Coils

Mushure mekuumba tembiricha yakakwirira, yakakodzera tembiricha iri pasi pehuremu hwakakosha pasi pemamiriro ezvinhu akakodzera kuti udzivise kuremara kwekutonhora, asi pasina mhosva nekukurumidza kupfuura iyo inotonhorera mudenga. Kupisa kurapa kwekupisa kwakataurwa simbi (chikamu) kupisa. Kupisa-kwakarapwa Fittings kunofanirwa kurapwa zvinoenderana nendima 7 mukufunga A960 \ / a960m.

Kufanana nedzimwe nickel alloys, kukurumidza c-22 alloy kwakanaka kusarongeka, ane simba rakanaka, uye rinogadzirwa nyore nyore kuita zvikamu zveindasitiri. Inowanikwa mupepa, pepa, bvarura, billet, bar, waya, tube uye tube. Chaizvoizvo zvikumbiro zvinogona kusanganisira: vanoita zvekutsinhana, vanopisa uye makoramu.

Malel K500 ine kanenge katatu simba rekubereka uye kaviri kusimba kweMazasi 400, uye zvakakwirira michina zvivakwa zvinogona kuwanikwa nekutonhora nekushanda kana zera rakaomarara. Monel K500 Alloy ane imwechete Corrosion Rishance seMalol 400 Alloy.

Inconel 625 Coil inoonekwa nekukanganisika kwaro kurwisa oxidation, yakakwira-tembiricha corroson uye kupera simba. ASTM B443 Uns n0662 incangen Plate inoshandiswa zvakanyanya muAerospace, maindasitiri emakemikari uye maaini uye kuoma uye kuomarara uye kusimba kunyange munzvimbo dzakanyanyisa.

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.

Kupora iyo yekuzvishandira kurwisa kudzikisira kwesimbi isina tsvina. Iyo corrosion kuramba kwetsvina isina tsvina inoderera mushure mekudyara kwekudyara. Iyo Corrostion Kudzikiswa kweStainless Simbi Castings yakadzoserwa kune yakasarudzika nyika mushure mekurapwa kwemhinduro.