I-Hastelloy C2000 PIPES ASME SB626 Hastelloy C2000 Welded tubing

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

I-Duplex Steel Pipe & Tube
Ama-flanges ensimbi ekhanni
Amandla okuvutha ale Alloy acishe abe ngu-570 MPA. Ngaphezu kwamandla, ipuleti yepuleti ye-A240 s32750 ephezulu i-alloy enikeza ukumelana okuhle kakhulu ku-crevice kanye nokucoca ngokucophelela.
\ 5 ^ kususelwa ku-

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.

Ishidi le-Alloy linokumelana okuhle kakhulu kokugqwala. Yenqaba ukuwohloka okujwayelekile, ukugqwala okunamandla, ukugcwala okukhohlisayo kanye nokugqwala kwe-crevice, nokuqhekeka kokugqwala kwengcindezelo ngaphansi kokunciphisa kanye nemibandela ye-oxidizing. Ingasetshenziswa kalula noma kubanda. Ilungele ikakhulukazi i-phosphoric acid, i-sulfuric acid, i-sulfur-equkethe igesi ye-flue, imithombo yamafutha, igesi emuncu namanzi olwandle.

Lokhu kuhlinzeka ngokumelana okuthuthukiswe kakhulu ku-sulfuric acid. Futhi inokuqukethwe okuphezulu kwe-chromium, ukukhulisa ukumelana kwayo kumakhemikhali oxidizing kanye nemifudlana yenqubo engcoliswe ngama-forric ion kanye ne-oksijini encibilikisiwe.
I-Stainsess Steel Sheet Metal 1.4410 1.4501 Coil

Amantongomane ethu we-Hex aqine kakhulu futhi elungele ukusetshenziswa kwangaphakathi nangaphandle. Le nsimbi engenacala iphakeme kunensimbi ejwayelekile futhi inikeze ukumelana okuhle kakhulu kokugqwala.

I-Incons 718 yi-alloy esekelwe e-nickel-chromium evame ukusetshenziswa ezinhlalweni eziphakeme zokushisa ezinjenge-aerospace negesi turbines. Enye yezinto ezibaluleke kakhulu ekukhiqizweni kwe-ASTM B670 Incontel 718 Ishidi le-Plate Rolling. Kunezinhlobo ezimbili eziphambili zamapuleti we-Incon 718 atholakala emakethe: Amapuleti ashisayo asongwe namakhaza.

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).

Ukucaciswa ngakunye njenge-ASTM A105, kusetshenziswa izindlela ezifana nokufaka impahla ukuze zisebenzise izinto ezijwayelekile, ukunxusa, ukufutheka noma ukujula kungaletha ushintsho olubonakalayo ezingxenyeni zemishini ye-ASTM A105.

Kusukela ama-254s wensimbi yensimbi engenasici angokwezinto eziphakeme ze-alloy, inqubo yokukhiqiza iyinkimbinkimbi impela. Ngokuvamile, abantu bangathembela kuphela ezinqubweni zendabuko ukwenza le pipa elikhethekile lensimbi engenasici, njengokungenamthungo, ukusakaza, ukufeza, okuthethelela, ukugingqa, njll.

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.

Amapayipi ensimbi angahlukaniswa ngesisekelo sohlelo lokusebenza lwayo. Ukusetshenziswa okujwayelekile kwamapayipi ensimbi kusendaweni yamapayipi amanzi, imigqa yamanzi ezimboni, umugqa wepayipi wezwe, amapayipi okunisela, izimboni zentuthu, izimboni zemoto, imboni yokwakha kanye nezinye izinhloso.

Ibha yensimbi engenasici inikeza uhla lwezinzuzo ezihlukile zezimboni eziningi kanye nezicelo emhlabeni jikelele. Izinzuzo zebha yensimbi engagqwali zifaka impilo ende ebonakalayo, ukumelana nokugqwala, ukubukeka okukhangayo, ukukhiqizwa kalula, ukumelana nomthelela nenani lesikhathi eside. Insimbi engenacala ingenye yezinsimbi ezisetshenziswa kabanzi ekwakhiweni kwanamuhla.

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-ASTM A182 F51 FLACESES nge-HUB izokwenziwa ngenqubo eshisayo yokuvuselela, lapho okuzokwakhiwa khona okusolwa njengokusezingeni elisezingeni elishiwo nosayizi.

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

Nilo \ alloy k w.nr.: 1.3981
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.

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

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

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.

Ipayipi lensimbi engama-316 elingagqwali liye laba yinto ebaluleke kakhulu emkhakheni wezimboni. Le alloy yensimbi ne-chrome yamukelwa ngokumelana kwayo okuphezulu ekugqwaneni, kanye nokuqina kwawo. 316 I-tubing yensimbi engagqwali ingakhiqizwa kumashubhu angenamthungo nama-welded ukuze ahlangabezane nezidingo zamakhasimende athile.

Izinto ezisetshenziswayo ezipheliwe ze-incoloy 800 tee ngesethi ethile yezicelo noma izimboni

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.

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.

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-Incons 718 iyi-alloy esuselwa ku-nickel esuselwa ku-nickel eyenzelwe amandla aphezulu okuvuthwa, amandla ashukumisayo kanye nezindawo zokuqhekeka ezivuka emazingeni okushisa aze afike ku-1300ºF (705ºC). Le alloy inokuzenzisa okuhle kakhulu.

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.

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.

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

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-ASTM A106 Ibanga le-BIPE lilingana ne-ASTM A53 Ibanga B ne-API 5L B ku-Chemical Proport kanye nezakhiwo zemishini, ngokujwayelekile sebenzisa i-Carbon Insimbi kanye ne-Iment Amandla angama-2415 MPA.
Ama-¡¤ Pressure verels, amathangi okugcina amangcindezi aphezulu, amapayipi aphezulu wengcindezi, ukushintshaniswa kokushisa (imboni yokucubungula amakhemikhali).

Ama-Flango ensimbi ahlinzeka ngokufinyelela okulula kokuhlanza, ukuhlola noma ukuguqulwa. Imvamisa ziza ngezimo eziyindilinga kepha nazo zingafika ngezindlela zesikwele nezinxantathu. Ama-flanges ahlanganiswe komunye nomunye ngokubopha futhi ajoyine ohlelweni lwamapayipi ngokushiswa noma ethangothini futhi aklanyelwe izilinganiso ezithile zengcindezelo; I-150LB, 300LB, 400LB, 600LB, 900LB, 1500LB no-2500lb.

I-flange ingaba yipuleti lokumboza noma ukuvala ukuphela kwepayipi. Lokhu kubizwa ngokuthi yi-flange eyimpumputhe. Ngakho-ke, ama-flanges abhekwa njengezakhi zangaphakathi ezisetshenziselwa ukusekela izingxenye zemishini.

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

I-ASME B16.48 Hastelloy Alloy C2000 Flat Flanses stockholders Alloy C2000 Lap Flanges

I-Nickel Alloy 400 no-Monel 400, eyaziwa nangokuthi yi-UNS N04400, i-alloy esuselwa ku-nickel-copper eyakhiwe ngokuyinhloko i-nickel yesibili ne-lickel yesithathu neyodwa. I-Nickel Alloy 400 yaziwa ngokumelana kwayo ezinhlobonhlobo zezimo ezilimazayo, kufaka phakathi i-alkalis (noma ama-acid), amanzi anosawoti, i-hydrofluoric acid, ne-sulfuric acid. Njengoba i-monel 400 noma i-alloy 400 iyinsimbi ebandayo esetshenzisiwe, le alloy inobulukhuni obuphezulu, ukuqina namandla. Ngokusebenza okubandayo kwe-ASTM B164 ANS N04400 Bar stock, i-alloy ifakwa emazingeni aphezulu wengcindezi yemishini, yona ebangela izinguquko kwi-miscruccucture ye-alloy.

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.

Thayipha ishubhu yensimbi engama-316 ifana no-304, kepha ngokungezwa kwe-molybdenum, okuthuthukisa ukumelana nokugqwala kwe-alloys. Isakhiwo se-auntenitic sivumela ubulukhuni obuhle kakhulu, ngisho nasezansi emazingeni okushisa aphansi kakhulu. Lawa mabanga ane-waldaality enhle kakhulu, enokwengeza kwensimbi ye-filler. I-316 \ 13l ishubhu engenasici liyatholakala njengemibuthano, isikwele noma ukwakheka okungunxande. Itholakala njengoba ifakwe futhi ingenamthungo. Ine-molybdenum eyengeziwe ne-nickel kune-304 esigcawini, eyandisa ukumelana nokugqwala kwensimbi. Ukwehla kwe-weldatall kuboniswa ku-316l alloys ngenxa yokwanda kwekhabhoni e-alloy. Isetshenziselwa ishubhu ezindaweni ezinolaka ngaphezu kwe-304 tube.

316 Izici zensimbi ezingagqwali
I-Monel 400 iyi-alloy ye-nickel-Copper (cishe ngo-67% NI ¨c 23% Cu) emelana namanzi asolwandle kanye nama-caustic solutions ezindaweni eziningi ze-acidic ne-alkaline ezifanelekile ngokunciphisa izimo. Ukuhlehlisa okuhle nokusebenza okushisayo okulungele izinhlelo zokusebenza zamanzi olwandle.

Uhlobo lwensimbi engu-304L olungenacala luyinto esetshenziswa ezimweni ezilonakalisayo. I-Welld Annealing iyadingeka kuphela kuzinhlelo zokusebenza ngokulayisha ngokweqile kwengcindezi. Leli banga lensimbi likhona emasimini ahlukahlukene okuhweba, ikakhulukazi embonini yamakhemikhali.

I-molybdenum Superauuntenitic enokumelana okuvelele kokuphamba kwe-chloride, ukugqwala kwe-crevice kanye nokuqhekeka kokugqwala kwengcindezelo. Ilungele ukusetshenziswa ku-Pulp Mill Bleach izitshalo, amanzi asolwandle okushisa asolwandle kanye nemishini yenqubo yamakhemikhali.

Ipuleti le-Alloy 800 alimelana ne-Chloride Ion Stress Croring Creating. Ipuleti le-nickel 800 libuye lisetshenziswe ekusebenzeni kwamakhemikhali kanye ne-petrochemical. Ipuleti le-nickel 800 liyatholakala kunoma yibuphi ubude, lisikwe uku-oda noma senzelwe izidingo zamakhasimende.

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.

I-A515 Ephelile Indandatho, A516 Carbon Steel Flange, ASME SA516-70 Flange, I-Carbon Steel Flange

Ama-Fittings we-UNS N06600 Butt Welde futhi aqukethe i-1% manganese no-0.50% we-silicon nethusi. I-ASME SB366 I-Incontel 600 Butt Weld Fittings incibilika ngo-2580 degrees Fahrenheit. Ukufakwa kwama-contensing angama-600 kunokumelana okuhle kakhulu kokugqwala ekugqwaneni okukhohlisayo kanye ne-crevice.
I-ASME SA516-70 Flange
Amafulethi akhiwe
Ikhaya »
Insimbi yekhabhoni
Kurdish (Kurmanji)
Imigoqo yensimbi engagqwali & izinduku
I-Inxotel 718 Plate ekhethwe ngu-2.4668
Amalangabi ensimbi engagqwali
Ubude: Ngokwesidingo sakho. "
Incoloy 825 nickel alloy bar enamanani amancane ethusi
I-Carbon Steel ASTM A106 IBanga B Peep in Stock

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

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

Ama-flanges we-C2000 anekhono elingcono lokushisa ku-hydrofluoric, sulfuric, futhi ahlazeke ama-hydrochloric acid ngenxa yokungezwa kwethusi.

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-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.

Inokuhlaselwa okuncane okuvela egumbini nasekushiseni okuphakanyisiwe kumagesi owomile, njenge-chlorine noma i-hydrogen chloride. Emazingeni okushisa aze afike ku-550c kule mithombo yezindaba, le alloy ikhonjiswe ukuthi ingenye ye-alloys ejwayelekile.

I-A515 GR.70 isetshenziswa ekwakhiweni kwama-boilers aklanyelwe ukumelana nengcindezi yangaphakathi yemikhumbi yengcindezi, ama-boilers nama-valve.
I-ASME SA516-70 Flange
Amafulethi akhiwe
Ikhaya »
Insimbi yekhabhoni
Kurdish (Kurmanji)
Imigoqo yensimbi engagqwali & izinduku
I-Inxotel 718 Plate ekhethwe ngu-2.4668
Amalangabi ensimbi engagqwali
Ubude: Ngokwesidingo sakho. "
Incoloy 825 nickel alloy bar enamanani amancane ethusi
Amapuleti ensimbi alloy nama-sheets namakhoyili

Amantongomane angama-2507 amelana kakhulu nokugqwala okuhlobene nokwenhlanganisela okuhlobene ne-carbide ngenxa yokuqukethwe kwabo okuphansi kwekhabhoni (0.020% ngesisindo).

Amapayipi okucushwa komthungo anamandla aphezulu athwala umthwalo namandla ngaphezu kwamanye amamaki.

I-terenitation i-martening ama-artenitic ama-stering angenasici anokumelana nokugqwayiza okuqhathaniswa namabanga auntenitic, kepha angaba lukhuni ngamandla emandleni aphezulu kunamanye amabanga amamaki. I-17-4ph evame kakhulu isebenzisa i-chromium engu-17% ne-4% nickel. I-Lockeheed-Martin ehlanganisiwe yokulwa kwakuyindiza yokuqala yokusebenzisa i-teppitation-harticistable-stainleble steel carpenter ngokwezifiso zombango ongu-465 ngokufutheka kwayo.

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.

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.

Ngokusho kwe-ASME Boiler ne-Pressure Vessel Code, i-ASTM A420 WPL6 ayivunyelwe ukusetshenziswa ekwakhiweni kwama-boiler wamandla.

Thayipha i-321 insimbi engagqwali yinsimbi e-auntenitic engenasici. Inezimfanelo eziningi ezifanayo zohlobo 304, ngaphandle kwezinga eliphakeme le-titanium nekhabhoni. Uhlobo lwe-321 lunikeza ama-carcrator wensimbi ukuqina okuvelele kanye nokumelana oxidation, kanye nobunzima obuhle kakhulu obusezingeni eliphansi.

Izengezo ze-titanium qinisa i-alloy ngokumelene nokugqwala kokuqina kokuthambekela ngokwelashwa okushisa kahle. Ukumelana kwe-incoloy? I-825 kuya kokonakala okujwayelekile nokwenziwe kwasendaweni ngaphansi kwezimo ezahlukahlukene kwenza i-alloy iguquguqukayo.

Ngaphansi kwezimo ezivuselelayo, i-InconELel Slip on Flange ibonisa ukumelana okuhle kakhulu hhayi kuphela amakhompiyutha e-inorganic kuphela kodwa futhi nama-organic compounds kanye nama-alkali ahlanganisiwe