I-Stainess yentsimbi ye-tie

I-Nickel Alo Alloty engama-400 kunye nemoni engama-400, ekwabizwa ngokuba yi-N04400, yi-gucy ye-huckile-olwe-olwe-of thecker-esekwe kwi-nicker-thewores. I-Nickel Alo Allo of 400 yaziwa ngokuba yixhathiso lwayo kwiimeko ezahlukeneyo, kubandakanya i-Alkalis (okanye i-AIDS), amanzi ityuwa, i-SULDFUORIC Acid, kunye ne-sulfuoric acid. Ukususela kwimowango engama-400 okanye i-Alod 400 yintsimbi ebibandayo esetyenzisiweyo, eli alloy linobuqili obukhulu, ukuqina kunye namandla. Ngokubanda ukusebenza kwe-ASTM B164 I-N04400 i-Bar ye-N04400, i-alloy iphantsi kwamanqanaba aphezulu oxinzelelo loomatshini, onokuthi ubangela utshintsho kulwakhiwo luka-Abrey.

I-Nickel esekwe kwi-800 ye-hexagonal yombhobho owaziwayo ukuba uxhathise kakuhle ukungangqinelani. Ngokukhethekileyo ukuthetha, umbhobho we-play 800 unika ukumelana ngokwaneleyo ngokuchasene ne-carbring kunye ne-corosion ye-oxivide.

I-Dotelloy Affayili
I-Attelloy enganyangekiyo i-Corrosion isetyenziswe ngokubanzi ngamashishini okuqhuba iikhemikhali. Isidingo sentsebenzo esinokuthenjwa sikhokelela ekukhuleni nasekukhuleni kweenkalo zamandla, ezempilo kunye nokusingqongileyo, ioyile kunye negesi, amayeza kunye neflimu yegesi.

I-Dotelloy C2000 ifumaneka kubungakanani beempawu kunye nobungqingili, olu hlobo lwe-nickel-chromium-molybdenum ludume ngamandla alo oluphangaleleyo kunye nokungaxhathisi.

I-Nickel-calper-esekwe kwimodeli engama-400 ye-400 ye-2.4360 ukubanda irhabaxa ingenalo i-chloride enxulumene nokubhloka kwe-chlorive yoxinzelelo xa ityhilwe kwimithombo yoxinzelelo. Imoral 400 i-copper kunye ne-nickel ye-nealy esule namhlanje ngenxa yokusebenza kwayo ephezulu. I-alloy ine-acid egqwesileyo kunye ne-alkali. Ukongeza, inamandla amanye amanye amanxuwa, ukuqhutywa kwengqondo okuphezulu, kwaye kunokuba nzima ngumsebenzi obandayo. Ukongeza, inokusetyenziswa kwizicelo ezinamaqondo obushushu asusela kwi-thamo ukuya kwi-538 degrees Celsius.

I-316l 1.4401 S31601 i-Stainess yentsimbi yindlela yokhetho lombhobho kunye nomoya oqinileyo oqhelekileyo oqhele ukusetyenziswa kwoluhlu olubanzi lwezicelo ezivela kwimizi-mveliso nezorhwebo. Le phuli ye-SS3603 yenziwe kumgangatho ophezulu we-316l yentsimbi enyaweni ngokuchasene ne-oxidation kunye ne-staining yendawo enobunzima okanye iZicelo eziPhakamileyo.

Kuyakwazi ukumelana nodidi olubanzi lweekhemikhali ze-oxiding kunye nokungabi nakuphathelele ukuchasana nokuchasana nokuhlaselwa kunye nokuhlaselwa kwe-ravice phambi kobukho be-chloride kunye nezinye iindlela zokuhamba.

I-Dotelloy C2000 Iityhubhu zisetyenziswa kuluhlu olubanzi lwamashishini kubandakanya ukuqhubekeka, izixhobo zokuqhubela kwemichiza, i-oyile kunye nezityalo zamandla.

Nine \ / Alloty k w.nr .: 1.3981
Ayisi: K94610 i-Astm F15
Isabelo-lelaza-e-Iron-Counckel-Cobarty-Cobart, Yiba ne-Navar Alflic, ube nolwandiso lolwandiso lwe-thermar of thermar olinganayo neglasi yeglasi
Ukutywinwa kokutywinwa ngeglasi yeglasi

I-Alloy 800 yi-nickel-chromium ye-chromium-chromium enamandla aphezulu kunye nokuxhathisa ngokugcoba kwi-oxidotion kunye ne-comrosion kumaqondo obushushu aphezulu. I-ASTM B407 AN08800 I-Acloy 800 W. NR. I-1.4876 ye-Welding isetyenziselwa ngokubanzi ukwakhiwa kwezixhobo ezifuna ukumelana nobushushu, ukumelana nobushushu, amandla, kunye nokuzinza kwenkonzo ukuya kwi-1500 ° F (816 ° C).

I-SCH40 ye-SCH40 ye-SCHE4000 ichongwe njengenombolo ye-Werkstof 2.4360 kwaye ingabi-nye N04400. I-Allow Gipe eyaziwa ngokuba yimodeli ye-nol-500, imodeli engama-400 yemodeli kunye ne-nickel alloy 400.

I-ASME B36.19m yindlela esemgangathweni yemibhobho yentsimbi engenasitayile, echaza imibhobho, unyamezelo, kunye neemfuno zokwenza imibhobho ye-weldided kunye engenamthungo.

I-chromium ephezulu, i-molybdenum kunye ne-nitrogen yeziphumo zokuchasana ne-pittiverance inombolo elinganayo (i-PREN) ye-40, ibonelela ngeqondo leendaba elingaphezulu kunye ne-durevice yokungaziphathi kakuhle kunye ne-durexice yokungaziphathi kakuhle, kwaye inobushushu obuqiqileyo ngaphezulu kwe-50¡c.

I-Nin Alloy 36, W.nr 1.3912, ugqirha we-36 ® yi-nickel-intsimbi enolwandiso olune-36% ye-nickel, i-chacelin enolwandiso olunama-36% kwaye inesitayile se-therble yentsimbi.
I-Preset 36 Ingcaciso: Ayikho K93600, W.nr 1.3912

Isetyenziswe ngokubanzi kwi-oyile yeoyile ye-oli

I-UNOLL 718 yi-Nickel-Chromium-esekwe rhoqo kusetyenziswa izicelo zeqondo lobushushu ezinje nge-aerospace kunye neeturbines zegesi. Enye yezona zinto zibalulekileyo kwimveliso ye-ASTM B670 Iphepha le-718 yinkqubo yokuqengqeleka kweplate. Zimbini iintlobo eziphambili zeepleyiti ze-Indel ze-Polnel 718 ezikhoyo kwintengiso: ishushu eshushu kwaye ibanda ipleyiti.

An NT08367 kwakhona kudla ngokubizwa ngokuba yi-alloy al6xn yikharbon ephantsi, ukucoceka okuphezulu, i-nitrogen-i-itrogen-molybdenum ye-pirden ye-chloride ye-chloride ye-chloride ye-chloride ye-chloride ye-chloride ye-chloride ye-chloride ye-chloride ye-chloride ye-chloride ye-piloride ye-chloride ye-chloride ye-piloride ye-chloride ye-chloride inkcitho kunye ne-cravice incade.

Ukuxinana kukaTitanium malunga ne-60% ye-Affel engenasitali kunye ne-neckel alloy, obu boyili bobunzima buyenza ukuba ifundwe kwizicelo ezizeleyo njengee-aerospace.

I-al6xn yintsimbi ye-suprausitic ye-scainess engaqhelekanga ngokuchasene ne-chloride pide, i-crevice yosulelo kunye noxinzelelo lokungasebenzi. I-al6xn yi-6 ye-for moray eyaphuhliswa kwaye isetyenziswa kwiindawo ezinomsindo. Ine-nickel ephezulu (i-24%), i-molybdenum (6.3%), iziqulatho ze-nitrogen kunye ne-chromium kunye ne-chromium kunye ne-chromium kunye ne-chromium kunye ne-chiromium kunye ne-chloride publity, kunye nokunganyangeki kwe-chloride. I-al6xn isetyenziselwa ngokuyintloko iphuculwe i-wirvice yokungakhathali kunye nokunganyangeki kwe-cravice kwi-chlolor. Yintsimbi engenasimo sengqondo esisebenzayo neliyisinga.

I-UNOLD 600 Ibar ye-UNCEL ye-nickel-esekwe kwi-begn ye-Bign ye-Bicen kunye nokunganyangeki kwe-corosion egqwesileyo kumaqondo obushushu aphezulu. Imivalo ye-UNIRD engama-600 isebenza ngokuchasene nokomile CL2 kunye nezinye iigesi ezininzi ezahlukileyo kubushushu obuthambileyo kunye nobushushu obuphezulu. I-Allod 600 Bar ibar-chromium ye-neckel-chromium ye-Allomium-i-Allomion elungileyo kunye nokuxhathisa kwi-chloride yoxinzelelo lwe-chloride, i-ocid yosulelo kumaqondo obushushu aphezulu.

Imibhobho yentsimbi engama-316 iye yaba zizixhobo ezinokubonakala kwicandelo lemizi-mveliso. Olu lwabiwo lwesinyithi kunye ne-chrome ibonwa ngokunyangeka kwayo phezulu ekucocekeni, kunye nokuqina kwayo. I-316 ityhubhu yentsimbi engenasitali inokuveliswa kuzo zombini iityhubhu ezingenamthungo kunye ne-weldied ukuhlangabezana neemfuno ezithile zabathengi.

I-Nickel 200 flanges i-Nickel Fuffes ezingama-200 iqine, izinzile, kwaye inesigqibo esihle. Ngaphezu koko, i-ASTM B564 i-N064 i-H02200 iflethi inganyangeki ukuba iyoliswa kwiindawo ezingathathi hlangothi, ezenza bagqibelele ukuze basebenzise izixhobo zokuphatha ukutya.

A789 ASTR3803 kwaye angabi-S32205 ngamabakala amabini e-upplex engasetyenziswanga ngokubanzi kwizicelo ezahlukeneyo zemveliso. Ezi pumplex ze-duplex s31803 zaziwa ngokuchasene nokunganyangekala kwabo okuhle, amandla aphezulu, kunye nokwanela kakuhle. I-A789 yinkcazo egubungela iityhubhu ezingenamthungo nezinebhulethi ezenziwe ngentsimbi engenasibala.

I-304 i-prools ye-piiding yenziwa ngentsimbi engama-304 yentsimbi, into eqhelekileyo neyaziwayo kwizicelo ezininzi zemizi-mveliso efuna ukumelana nokungavisisani kunye ne-oxidation. Ezi zi-S30400 ze-piiding prools zisebenzisa oomatshini okhethekileyo kunye neenkqubo, eziqinisekisa ukuba zichanekile kwaye zinokuthenjwa.

Ibonisa ukunganyangeki okuhle kunye nokucutha iindawo ezinqabileyo. Eli babele le ladala itayitile yesidima, ifilimu yokukhusela engaphumi, kodwa igcina ukunganyangeki okukhulu kwe-oxidation Ekunyangeni ekuhlaleni.

Iipayipi ezingama-254 zinokumelana noxinzelelo oluphezulu lwendlela kunye ne-Alloty i-254 ye-pump ye-pump yoxinzelelo kwiqondo lobushushu kunye nezixhobo.

I-Alloty 800 Intamo ye-Wool Shounges Sinodumo olunamandla sinemveliso yokuvelisa ukuqaqamba okusemgangathweni weentlobo ezahlukeneyo eziya kuhambelana neemfuno zabaxumi bethu. Senza i-flaves engathandekiyo engama-800 enokuthenjwa kwaye iphezulu kumgangatho. Sisebenzisa izixhobo zeprimiyamu kunye noomatshini abaphambili bokuvelisa i-ASTM B564 AN08800 I-Acloy 800 Fufxees.

Iityhubhu ezingama-600 ezingenamthungo ezingenamthungo zingama-N06600 kunye ne-ASTM B167 zenzelwa ukuba zixhase uxinzelelo oluphezulu kakhulu kwaye zize newaranti enkulu.

I-A240 yohlobo lwe-A240 ye-2205 ipleyiti ipleyiti yentsimbi engenasitali esetyenziswa kakhulu kumashishini ahlukeneyo anjengokuqhubela phambili kwemichiza, ioyile kunye negesi. Iphepha le-SA 240 Gr 2205 yenziwe kwiBanga lama-2205 lentsimbi engenasibala, elindibaniselwano yentsimbi ye-ferric kunye ne-austentitic.

Imibhobho yokuqwalaselwa engenamthungo inomthamo ophakamileyo wokuthwala umthwalo kunye namandla amanye amabakala.

Inkcazo ye-ASTM icebisa ukuba ubuncinci bexabiso lefuthe le-ASTM A320 l7 bolts ukuba i-20-ft-lbf @ -50f. Uvavanyo lwempembelelo chardy lugcina inani elipheleleyo lamandla elingenantolongo ngexesha lokuqhekeka, ngaloo ndlela ebonisa ukuba i-notch yobuqili.

I-nickel alloy 800h yaziwa ngokuba ziimpawu ezinokubanda kakhulu.

Intsimbi ye-SS 304 Aloy isetyenziselwa ukukhulisa imibhobho. Nangona kunjalo, i-Alloty yenziwa ngeChromium ne-nickel, enika imibhobho neetyhubhu ezinemimandla eyahlukeneyo. Ukongeza koku, i-SS 304l inomxholo wekhabhoni esezantsi kune-304 Aloy yentsimbi. Le yindlela egqithisileyo ekunyangeni nokuncwina okungapheliyo. Ngokufanayo, i-SS 304H yi-Allow yoLwakhiwo lobushushu obuphezulu, ngamandla obushushu obuphezulu kunye nokukwazi ukusebenza kubushushu obuphezulu.
Chwetheza umbhobho wethupho
Ityhubhu yethumba
Umbhobho we-weldied
Ityhubhu ye-weldied
Wabona i-lsaw Efw Efw
Ukuphela kokuphela, Ukupheliswa ngokucacileyo "
Ubungakanani be-OD: 1 \ / 2 "" ~ 48 "" "" "" "" "" "" "" "" "" "" "" "" "" "
Ubukhulu: sch5 ~ schxxs
Ubude: Ngokwemfuno yakho. "
I-PREGETE I-PROFIICS ishushu \ / Umsebenzi oshushu, ukuqengqeleka okubandayo
Ukuvelisa i-Asme esemgangathweni B36.10 Asme B36.59

I-900 # I-STEEL FLAGES KICKEL ALTEL MOLD 400 I-FOBE YAMANQAKU E-MOLD MOOLO 400 FLUDES ibonisa ubungqina beqondo lobushushu. Kwelinye icala, iipropathi ezifana namandla kunye nobunzima bemoni yemogaqo engama-400 ye-quange incitshisiwe kancinci ngokubhekisele kwezinye iipropathi ezinje ngokuchaseneyo okanye ukumelana nefuthe.

I-Poll 600 yombhobho ye-chromium-nickel alloy yenzelwe ukusetyenziswa kumaqondo othango ukuya kuthi ga kwi-2000¡nd kunye nezantsi kwinqanaba le-crygenic.

I-Alloy400 sisigaba esinye esiqinileyo se-NI-CU ALDRURSER PROSTERS kwiqondo lero le-550 le-550 le ¡i-ã i-vDtuv-wbl. 263 Kwaye ukuya kuthi ga kwi-900 ¡ã ãF (480 ¡) ngokwe-Asme Boiler kunye neKhowudi yenqanawa yoxinzelelo.

Inemichiza yamachiza, efana neNickel, i-Nickel-Chromium, iMolybdenum, iChromium-Molybdenum Steels Stews njl.

Ngokomyinge, i-duplex intsimbi engenasibala imalunga nokuphinda iphindwe kabini njenge-ferticric okanye i-austetitic engaqhelekanga. Ubunzima obuphakamileyo kunye nexesha. Intsimbi engenasitali engenazibala inokubekwa ngokulula phantsi kwengcinezelo kune-Ferritic amabakala kwaye inobunzima obuphezulu.

Inqanaba lama-304 intsimbi engenasimo yi-18 \ / 8 "Intsimbi engenasibala; Yeyona ntsimbi iphambili kwaye isebenzise intsimbi engenasiseko ingenalo kuluhlu olubanzi lweemveliso, iifom kunye nokugqwesa ngaphezu kwawo nawuphi na omnye.

Ibanga le-310s yentsimbi engenasitali ye-Woolt iqulathe i-carbon ephantsi, i-NECTEL kunye ne-chromium kunye ne-chromium kunye neebhasikiti ezihambayo, iibhasikiti zonyango, i-fesser, elunxwemeni njl njl.
Izixhobo zenziwe kwaye emva koko zifudumele kubushushu obuphezulu emva kokupholisa okukhawulezayo kufutshane nokupholisa emoyeni. Oku kuphola ngokukhawuleza kongezwa kumandla ama-stanes ongenasinqeli kunye ne-speefs yentsimbi kwaye kubenza bomelele kakhulu. I-SS 310S isetyenzisiwe kumashishini njengendlela yokusebenza kwamanzi aselwandle, izityalo ezinamandla ombane kunye nezityalo ezikwindawo ye-thermal amandla kunye nokufakelwa kwekhaya kakhulu. I-310s ss ye-Ws isetyenziswa kwiiklasi ezahlukeneyo zoxinzelelo zokuhlangabezana nemfuno yoxinzelelo lwesicelo.

I-Stainess Liction inciphisa i-tees isebenza kakhulu kwioyile, igesi, imibhobho yamanzi, izityalo zamandla, ukwakhiwa kunye namashishini okutya.

I-Hericaleuples. I-Ethylene Dichloride (E-EDC) i-tubes.

I-Allol Alloy 600 (Ayi-H06600 w.nr. 2.4816) sisixhobo sobunjineli esemgangathweni kwizicelo ezifuna ukumelana nobushushu.

I-ASTM A420 WPP6 I-WPLS6 I-WPLES ye-ping efana ne-WPL6 CAPS, i-A420 WPLS ye-Wild, kunye ne-SA 420 wpps. Isitokhwe sethu seqondo le-SEEL SEFELS libandakanya i-A420 yeBanga le-A420 le-A420 yeBanga le-A420 ye-WPLS kuluhlu olupheleleyo lwe-SIGS kunye nobubanzi.

Kukho iintlobo ezahlukeneyo zeflethi ezinje nge-Allot 625 Slip kwi-flanges kunye nezinye. Zonke ezi ntlobo zezokucaciswa kwe-ATTM B564 ye-NECKLE, i-Ignel, Monel kunye ne-hastelloy swerngezis.

Ngoxinzelelo oluphezulu kunye namandla empembelelo, ukrazulu i-254 yindlela ephantsi ukuya kwi-Alkel Alflis ephezulu kunye ne-Titanium kwezinye iinkqubo.

I-Intloy 800 okanye ikwabhekiswa kuwo i-N08800, i-Nickel engama-800 ineepropathi ezichasene nokuchasana neekhemikhali. Yaziwa ngamandla ayo aphezulu kwiqondo lokuhlala eliphakamileyo, i-800 ikwanokuhlala ixhathise i-oxition, icarburring kunye nezinye iintlobo zeqondo eliphezulu lobushushu.

Ezi zabelo ze-nikel steel ziyafana ngaphandle kwenqanaba eliphezulu lekhabhoni kwi-Alloty 800h, kunye nokongezwa ukuya kuthi ga kwi-1.20 pesenti ye-Aluminium kunye ne-titanium ye-Alloty 800ht. I-Intloy 800 yayiyeyokuqala kwezi alloy kwaye yaguqulwa kancinci ibe yi-800H.

I-flange iringi yentsimbi (yenziwa, inqunyulwe kwiplate, okanye iqengqele) eyenzelwe ukudibanisa amacandelo ombhobho, okanye i-vape, impondo ebalulekileyo. Iiflethi zidityaniswe zinye zidityaniswe ziibhotile, nakwinkqubo yokubhoboza ngokwenza i-welding okanye intambo (okanye ikhululekile xa isetyenziswa iziphelo zesiqalo). I-Stainess Flonge iFlange i-ss falnge, ibhekisa kwiflethi eyenziwe ngentsimbi engenasimo. Imigangatho yezinto eziqhelekileyo kunye namabakala yi-ASTM A182 IBakala F304 \ / L. / L. /.

Lo mbandela wenziwe yikhabhoni, i-manganese, phosphorus, eulfur, silicon, i-chromium kunye ne-molybdenum ekwemo.

Intsimbi yethu engaqhelekanga 316 Isokethi ye-Weld ye-Weld inokuwiswa ngokulula kwaye idityaniswe ngomatshini wokusebenzisa izinto ezisemgangathweni. Ngeenkqubo ezininzi zokusebenza ezishushu, ezi zinzwa zentsimbi ezingama-316l ziyacetyiswa ukuba zenziwe nge-1700¡ing (i-2200 ye-Fient (i-128¡ing), i-1204 i-Schonch (i-1204 i-Staint ye-Stain

Iiflethi ze-Alloty ezingama-625 zeentliziyo kunye nezinye iintlobo nazo zinendawo ephezulu kakhulu ye-1350 degrees Celsius. Indawo ephezulu yokuqunjelwa ivumela iflethi ukuba isetyenziswe kumaqondo obushushu obushushu kunye namandla abonelela ngezicelo eziphezulu zoxinzelelo.

Zonke izinto zentsimbi ezingapheliyo zihlangabezana neyona mfuno ibalulekileyo yomgangatho womhlaba, i-Microfial kunye nokunganyangeki okuphezulu, ukucotha okuphezulu, ubukhulu be-ravice-kunye ne-ravice-free-free yedyling. Oku kuqinisekisa amaxesha ngamaxesha, ukhuseleko, ukuthembeka kunye nokusebenza kakuhle kwemisebenzi kunxweme, ukutya, ukhathalelo lwekhaya, kunye neshishini le-bietech kunye namayeza amayeza.

I-HT Pipe igcina uluhlu lwezinto ezinkulu ze-UNOLL 625? Iflethi, kunye nobukhulu ohlukeneyo, izitayile, kunye nokucwangcisa ziyafumaneka ukuze kufezekiswe iimfuno zakho. Iiflene zethu ze-internel zihlangabezana neemfuno zenkcazo yesizwe neyehlabathi, kubandakanya, kodwa kungaphelelanga apho:
I-N06625
I-ASTM B564
Asme sb564
I-Werkstof NR 2.4856

Singumenzi, umrhwebi, isitovu, umboneleli kunye nokukhuphela ngaphandle i-B7-okhawulezileyo.

Nceda uqiniseke ukuba unxibelelane nathi ngolwazi oluthe kratya malunga neemveliso ezifanelekileyo zemibhobho efana ne-ASTM A860 MSS5 wph 72 ye-pieds kunye namaxabiso aphezulu.

I-Dupex 2205 yi-nitrogen ephuculweyo ye-duppplex engasebenziyo eyenzelwe ukusombulula iingxaki eziqhelekileyo ukudibana nezitho ezi-300 ezingenasiseko.

I-internel 625 yintsimbi ye-austentitic. Le mibhobho yenzelwe i-NECKEL ephezulu, iChromium kunye ne-Molybdenum ye-races, ivumela imibhobho yokuphatha ulwelo kunye neegesi kwimithombo yeendaba ebonakalayo kunye ne-oxiding.

Kungaphezulu kakhulu kwi-sulfuric acid, chloride, bromide, i-i-idider kunye ne-acid acid i-acid amaqondo obushushu aphezulu. Ukwenziwa kwamayeza athile amayeza kufuna ukusetyenziswa kwe-molybdenum-enentsimbi engenasimo ukuphepha ungcoliseko olugqithisileyo.
Chwetheza umbhobho wethupho
Ityhubhu yethumba
Umbhobho we-weldied
Ityhubhu ye-weldied
Wabona i-lsaw Efw Efw
Ukuphela kokuphela, Ukupheliswa ngokucacileyo "
Ubungakanani be-OD: 1 \ / 2 "" ~ 48 "" "" "" "" "" "" "" "" "" "" "" "" "" "
Ubukhulu: sch5 ~ schxxs
Ubude: Ngokwemfuno yakho. "
I-PREGETE I-PROFIICS ishushu \ / Umsebenzi oshushu, ukuqengqeleka okubandayo
Ukuvelisa i-Asme esemgangathweni B36.10 Asme B36.46

I-ASTM B564 i-N044 I-Slip ye-N04400 kwiFlanger-Coper Allovey, i-FOELD 400 Fufxes sisisombululo esiqinileyo se-nickel alloy enokuthi isebenze kuphela ngokusebenza kubanda. Eyona nto yaziwa ngokuba yiyo ukuchasana nokunganyangeki kwamajelo eendaba kunye namanzi olwandle, uMonim 400 naye uyathambeka kwiindawo ezinomgangatho ophezulu. Kwakhona wabizwa ngokuba yi-Alloty engama-400, i-folles engama-400 isetyenziswa kwiqondo lokushisa eliphezulu, izicelo zesisombululo setyuwa kunye netyuwa.