Kusindikiza mating ndi magalasi olimba

Mtedza wa Intellese X-750 ndi othamanga opangidwa kuchokera ku alloy okhala ndi nickel ndi cobat monga zinthu zoyambira, zomwe zimakhala ndi chromium, ndi zowonjezera za Titanium ndi aluminiyamu. Magetsi a Intelsel X-750 amalimbana kwambiri ndi mankhwala kutchire ndi oxidation, ndi kupsinjika kwakukulu mphamvu yovutira ndi mitengo yotsika kwambiri mpaka 1500Fãf (816F).

Kuwala kumatha kukhala mbale yophimba kapena kutseka kumapeto kwa chitoliro. Izi zimatchedwa Flange ya wakhungu. Chifukwa chake, zojambulazo zimawonedwa ngati zigawo zamkati zomwe zimagwiritsidwa ntchito pothandizira makina.

Chingwe chimakhala chachiwiri chomwe chimagwiritsidwa ntchito polumikizana pambuyo potalika. Ma flanges amagwiritsidwa ntchito ngati zolumikizira zolumikizira. Imapereka kusinthasintha kukonza. Flange imalumikiza chitoliro ndi zida ndi mavuvu osiyanasiyana. Kuledzera kumawonjezeredwa mu dongosolo lapaipi ngati kukonza pafupipafupi komwe kumafunikira pa ntchito yobzala.

Kuwongolera kwamankhwala kumalola chiwonetserochi kuti chiwonetse bwino kukana kwa carburization, maxidations ndi malo okhala. 800ht sikudzakhazikika ngakhale atagwiritsidwa ntchito kwanthawi yayitali mu 1200-1600 deg kwa malo omwe zitsulo zosapanga dzimbiri zimakhala zopanda phokoso. Makhalidwe abwino kwambiri ozizira kwambiri omwe amaphatikizidwa ndi ma chromium-chromium omwe amawonetsedwa ndi 800ht. Pamene kuzizira kumapangitsa kuti kukula kwa njere kumatulutsa mawonekedwe osakonzedwa otchedwa "lalanje peel". 800ht imatha kuwikiridwa ndi njira wamba zogwiritsidwa ntchito pazitsulo zosapanga dzimbiri.

A789 S31803 ndi S32205 ndi zitsulo ziwiri zosapanga dzimbiri zomwe zimagwiritsidwa ntchito kwambiri pantchito zosiyanasiyana. Mapaipi awa a duplex s31803 osakhala opanda chidwi amadziwika chifukwa chokana kwambiri kuwonongeka, mphamvu zazikulu, komanso kutopa kwambiri. A789 ndi lingaliro lomwe limakwirira osawoneka bwino komanso machubu opangidwa ndi chitsulo chosapanga dzimbiri.

Yankho Labwino Kwambiri, mankhwalawa pa 2000 \ / 2200of (1095 \ / / / / / / / / / / /) kwakanthawi

Amagwiritsidwa ntchito kwambiri mu zopondaponda m'mafuta ndi mafuta a gasi \ / kupanga ndi kusinthidwa kwa kutentha mu petrochemical \ / mankhwala.

Zowongolera ngati monol 400 ma flanges amachita bwino m'maiko akumadzi chifukwa cha kapangidwe kake. Zolemba zamkuwa zili pakati pa 28% ndi 34% ndipo imadziwika kuti ndi superaloy chifukwa chokana chifukwa cha kukana kwake.

Mapaipi achitsulo amatha kusokonezedwa pamaziko a ntchito yake. Mapulogalamu wamba amakamba achitsulo ali m'dera lamadzi, mizere yamadzi yamafakitale, mizere yamadzi, mizere yamagetsi, ulimi wothirira, mafakitale omanga magalimoto ndi zolinga zomanga.

The notch ducki 240 s327660 Tsamba limachita bwino pa kutentha kwa zigawo, pansi mpaka -50¡2

Chitoliro chachitsulo & chubu
Chitoliro chosawoneka bwino 316 chosapanga dzimbiri chilibe msoko wotentha, ndipo chitoliro chamtunduwu chidapangidwira kuti chitha kupirira zovuta zolimba. Chitoliro chodzaza ndi 315 chosapanga dzimbiri ndi chubu chachitsulo chomwe chili ndi msoko wowuma, ndipo chitoliro chamtunduwu ndichosavuta kusintha.

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Nickel Anoy Intelvel X750 Aloy X750 Din 934 Hex

304 Nphwemba zopondapondazikulu zimapangidwa ndi chitsulo chosapanga dzimbiri, zinthu wamba komanso zodziwika bwino muzogwiritsidwa ntchito zambiri zamakampani zomwe zimafunikira kukana kuwonongeka ndi oxidation. Nyansiweli iyi ya S30400 imakonzedwa pogwiritsa ntchito makina apadera ndi njira, zomwe zikuwonetsetsa kuti ndi olondola komanso odalirika.

Nilo Anoy 36, w.NR 1.3912, Inciar 36 ® ndi chitsulo chotsika kwambiri chomwe chili ndi 36% Nickel ndipo ali ndi gawo la kufalikira kwa gawo limodzi la chitsulo cha kaboni pafupifupi.

Chitsulo chosapanga dzimbiri chimakhala ngati chitsulo chachitsulo, chomwe chimagwiritsidwa ntchito kwambiri mu zida ndi zigawo zomwe zimagwiritsidwa ntchito mokwanira (kuwonongeka kokwanira).

ASMM A312 TP316 ndi njira yokhazikika ya msoko, komanso kuzizira kwambiri osakhazikika opaleshoni ya chitsulo chosapanga dzimbiri zomwe zimagwiritsidwa ntchito kutentha kwambiri ndi ntchito wamba. Chitoliro chosawoneka bwino mafakitale chimapangidwa kuchokera ku chromium, nickel, ndi molybdenum, omwe amapereka SS Quams Stuam Turnion ku kutukula ndi dzimbiri.

Giredi 316 imapangidwanso ndi chitsulo, ndipo kachiwiri lilinso ndi nickeum ¡%, 4-16%, manganese, molybdenum, ndi silicon. Pachifukwachi, zitsulo za kalasi 316 nthawi zambiri zimakondedwa kugwiritsa ntchito m'malo okhala m'madzi.

Pali Sa 182 F53 S32750 FRORESS FRORESS FLARDING MOTO NDI Khosi lowoneka bwino limagwedezeka mu zinthu zosiyanasiyana. Ma flanges osiyanasiyana amagwiritsidwa ntchito mu mapulogalamu osiyanasiyana.

Alloy 2205 imayambitsa kulumikizana ndi kukhazikika kwamphamvu kwambiri kuposa 316l kapena 317l austetetic batiin schoume osapanga matchulidwe onse. Ilinso ndi kutopa kwambiri komanso kuwonongeka kwa kukokoloka komanso kukula kwa mafuta komanso mawonekedwe apamwamba kuposa austetic.

Cholumikizira chopondera chimapangidwa ndi zitatu zolekanitsidwa komanso kudziyimira pawokha ngakhale zigawo zikuluzikulu; Makoma, ma gaskets, ndi oboola; omwe amasonkhana ndi zikopa zina, zoyenera. Zowongolera zapadera zimafunikira pakusankha ndikugwiritsa ntchito zonse zomwe zimakhala ndi cholumikizira, zomwe zili ndi zotayira zotayirira.

Iswees osawoneka bwino kwambiri a sing'anga osawoneka N06600 ndi Astm B167 ndi omwe amapangidwa kuti apirire kwambiri ndikubwera ndi chitsimikizo chachikulu.

Chromium yapamwamba, molybdenum ndi nayitrogeni imapangitsa kuti zikhale bwino kwambiri (zomwe zingachitike) zitsulo zokongoletsera ndi zotupa zosapanga dzimbiri, komanso kutentha kotsika kwambiri kuposa 50¡c.

Duplex 2507 ndi chitsulo chosapanga dzimbiri chomwe chili ndi 25% chromium, 4% molybdenum ndi 7% nickel. Alosi uyu amapangidwa kuti azigwiritsa ntchito ntchito yabwino komanso kukana kuwonongeka.

Monga gulu lolemekezeka kwambiri pamsika, ife monga Rexxon timachitapo kanthu polosera zoti zisachitike ngati kunja, opanga, opanga, komanso okondana nawo kwambiri pamtengo wokwera mtengo.

FSTEOLLOY C2000 ikupezeka mu mitundu yosiyanasiyana ndi makulidwe amtunduwu, mtundu uwu wa chromium-molybdenum aroyoy amadziwika bwino chifukwa cha mphamvu zake zazikulu komanso kukana.

Incrooy 800h Valnge Tili ndi mbiri yolimba mu malonda popanga mitundu yayikulu ya mitundu yosiyanasiyana ya makasitomala athu. Timakhala ngati infolisoy ma fronges omwe ndi odalirika komanso apamwamba kwambiri. Timagwiritsa ntchito ndalama zotsogola komanso makina apamwamba popanga assowm B564 SIMIL N08800 Stuliloy ma fronges 800.

Zopanga zosapanga dzimbiri zopanga 316L 1.4401 s31603 chitoliro chachitsulo chosapanga chitsulo
FOSTELOLOY C2000 amagwiritsidwa ntchito m'mafakitale ambiri kuphatikizapo mafakitale a petrochemical, makonzedwe a mankhwala opanga mafuta, zophika zamafuta ndi zomera.
ASMM A335 P5, P9, P11, P12, P22, P91, P108

Invalsel 718 ndi alloy-chromium-chromium-chromium-chromium-chromium-chromium-chromium-chromium-chromium-chromium-chromium yomwe imagwiritsidwa ntchito kwambiri pamapulogalamu apamwamba monga Aweslospace ndi majini agalu. Chimodzi mwazinthu zofunika kwambiri pakupanga a Ism B670 Invelve 718 ndiye kuti mbale yogubuduza. Pali mitundu iwiri yayikulu ya mbale za Intery18 zomwe zilipo pamsika: kuwotcha mbale zowombera.

Sch40 Monol 400 chitoliro chimasankhidwa kukhala nambala ya Werkstoff 2.4360 ndi N04400. Chipika 400 chimadziwikanso kuti Monil Anoy chitoliro cha 400, Monl 400 Pipe & Nickel Chitoliro 400.

Chingwe chimakhala chokwera, milomo kapena rim, kunja kwa zakunja kapena mkati, zomwe zimathandiza kuwonjezera mphamvu (monga mtengo wamtambo kapena t-bat); Kuti mulumikizidwe mosavuta \ / kusamutsa kwa kulumikizana ndi chinthu china (monga chowala kumapeto kwa chitoliro, scal cylinder, etc., kapena pamunda wa mandala); kapena pokhazikitsa ndikuwongolera mayendedwe a makina kapena mbali zake (monga tambala mkati mwagalimoto kapena gudumu la tram, zomwe zimapangitsa mawilo kuti asamayendetse njanji). Mawu akuti "Flange" imagwiritsidwanso ntchito ngati chida chogwiritsidwa ntchito chopanga ma flanges.

316l 1.4401 s31603 Chipika chosapanga dzimbiri ndi njira yolimba komanso yolimba yofananira yomwe imagwiritsidwa ntchito pazosiyanasiyana za mafakitale ndi malonda. Izi s31603 chitoliro chimapangidwa kuchokera pazinthu zapamwamba za 316l osapanga dzimbiri mosapanga dzimbiri mosapanga chipongwe, oxidation ndi chomata, zomwe zimapangitsa kuti zikhale zabwino m'malo mwazinthu zovuta kapena zovuta.

Mayina Ogulitsa: Nickel Anoy 36, Inter 36®, Nilo 6®, Pernifar 6 ®

Makina a ASM B5744 amafotokoza zofunikira za nickel zigawo zopangidwa kuchokera ku n10276, N06022, N06025, N06058, ndi N06058. Izi astme B574 alloys akuwonetsa bwino kwambiri ndi katundu woponderezedwa ndipo amagwiritsidwa ntchito kwambiri mu mankhwala, mafuta ndi mpweya, ndi ma makesha.

Kuchulukitsa kwa titanium ndi pafupifupi 60% yomwe ya chitsulo chosapanga dzimbiri ndi nickel polosys, kupulumutsa thupi kumeneku kumapangitsa kuti ikhale chisankho chodziwika bwino pakugwiritsa ntchito monga Arrospace.

Nickel Anoney othamanga
304 \ / 304L sichingawumitsidwe ndi chithandizo chamankhwala. Kuchita bwino kumawonjezera nyonga ndi kuuma. Mitundu yophunzitsa ili pakati pa 1850¡ã ndi 2050¡f. Ozizira mwachangu. Madzi ayenera kugwiritsidwa ntchito popanga zigawo zolemera; mpweya wowala. Mitundu yothandizirana ndi 400¡ã ndi 750¡f .-5

Zimawonetsa kukana bwino kusalowerera ndale. Izi za alloy zimapanga mwa khumi ndi chimodzi, filimu yoteteza yomwe siyitalikirapo, koma imasunganso kukana kwa makutina kuposa kutentha.
Nickel Anoy Fronges
Chitsulo chosapanga dzimbiri
Chitsulo
Kunyumba »
Imbani 36 K93600
Zitsulo zosapanga dzimbiri & ndodo
Masamba osapanga dzimbiri & ma sheets & coils
Matumba a Pika Matumbo
Chitetezo Cate adapangitsa kusapanga dzimbiri
FSTEOLLOY C2000 mapaipi a ASME SB626 FOTELOLELOY C2000 Worded Bis
Zitsulo zachitsulo & ma sheets & coils

Izi zimathandizira kuthana ndi sulufuric acid. Ilinso ndi mawu apamwamba kwambiri, kuti apititsenso kukana kwake kuti athe kugwiritsa ntchito mankhwala ndi njira zomwe zimapangidwa ndi mitsinje yolimba ndi mpweya wosungunuka.

ASME A694 mitate yozungulira imakhala ndi zida zosiyanasiyana chifukwa cha kukhalapo kwa zinthu zoyatsira. Zina mwazinthu zomwe zimabadwa ndi mipiringidzo yozungulira ndi yowutsa bwino, mphamvu yayikulu, kutentha kwambiri, etc. Chifukwa chake, kugwiritsa ntchito mafakitale kumayenda bwino kuntchito.

FSTELOLLOY C276 zinthu zimapangidwa ndi zinthu zabwino. Amakhala ndi mphamvu zochepa za 60m ndi ochepera 204mm. Zinthuzi zimapangitsa chizolowezi chosavuta makina ndi econgate.

Nickel kutengera 800 inclooy chitoliro chomwe chimadziwika kuti ndi kukana bwino kuwonongeka. Makamaka kuyankhula, chisumbulu 800 chitoliro chimapereka kukana mokwanira zotsutsana ndi ma carburization onse komanso oxidation kutukula.

Zosapanga zopanda pake zimagwiritsidwa ntchito kwambiri kuti zisindikize kumapeto kapena kutsegulira chitoliro, ndichifukwa chake amabwera popanda chovutirapo. Izi zimabweretsa chidwi chowunikira komanso kuyeserera, chifukwa zimalola mwayi wofikira pa chitoliro.

Makina amasiyanasiyana malinga ndi mawonekedwe a nomwenal mogwirizana ndi khoma makulidwe. Makina ochokera ku Sch20 mpaka XXS. Chitoliro kutalika mpaka 13500 mm. Pali mapaipi osawoneka bwino ndi mapaipi okhala ndi mawonekedwe amtunduwu. Astme A335 P5 chitoliro chimatha kukhala mozungulira, hydraulic, makona, lalikulu kapena hexagonal. Kutalika kwa chitoliro kumathanso kudula kutalika malinga ndi zomwe makasitomala amafuna.
Nickel Anoy Fronges
Chitsulo chosapanga dzimbiri
Chitsulo
Kunyumba »
Imbani 36 K93600
Zitsulo zosapanga dzimbiri & ndodo
Masamba osapanga dzimbiri & ma sheets & coils
Matumba a Pika Matumbo
Chitetezo Cate adapangitsa kusapanga dzimbiri
FSTEOLLOY C2000 mapaipi a ASME SB626 FOTELOLELOY C2000 Worded Bis
Kupanga Rame B36.10 ASME B36.35

Asme B36.19M ndiye wofanana ndendende ndi mapaipi achitsulo osapanga dzimbiri, zomwe zimafotokoza kukula kwake, kulolerana, ndi zomwe amapanga maenda owala komanso osaka.

Magalasi okhazikika - omwe adayikapo sayansi-nickel-cobalt matobala, Kovar Smows, ali ndi mzere wowonjezera wowonjezera wofanana ndi galasi lolimba mkati mwa kutentha kwina

Astm A335 P5, P9, P11, P12, P22, P91, P148
304 \ / 304L sichingawumitsidwe ndi chithandizo chamankhwala. Kuchita bwino kumawonjezera nyonga ndi kuuma. Mitundu yophunzitsa ili pakati pa 1850¡ã ndi 2050¡f. Ozizira mwachangu. Madzi ayenera kugwiritsidwa ntchito popanga zigawo zolemera; mpweya wowala. Mitundu yothandizirana ndi 400¡ã ndi 750¡f .-5

Nthawi zambiri N08367 imatchedwanso Al6xn Al6xn ndi kaboni yotsika, yoyera kwambiri, nulytel-molybdenum yolimbana ndi crevice.

ASME B619 chitoliro cha mafakitale ogulitsa mankhwala ali ndi madzi abwino osokoneza bongo, makamaka kumadzi okwanira oyera. Ndipo amasonyezanso kukana bwino kuthengo kwa mayankho ogwira mtima omwe amagwiritsidwa ntchito pokonza ma mageroceuticals ngati Astm B619 SI10276 amapezekanso poyeretsa zinthu zoyeretsa.

Kutalika: Malinga ndi zomwe mukufuna. "
304 \ / 304L sichingawumitsidwe ndi chithandizo chamankhwala. Kuchita bwino kumawonjezera nyonga ndi kuuma. Mitundu yophunzitsa ili pakati pa 1850¡ã ndi 2050¡f. Ozizira mwachangu. Madzi ayenera kugwiritsidwa ntchito popanga zigawo zolemera; mpweya wowala. Mitundu yothandizirana ndi 400¡ã ndi 750¡f .-5

Al6xn ndi chitsulo chosapanga dzimbiri chosakhazikika ku chloride pansi, crevice kutukuka komanso kupsinjika kuwonongeka. Al6xn ndi Alloy a 6 wokhazikika womwe umapangidwa ndipo umagwiritsidwa ntchito m'malo ovuta. Ili ndi Nickel (24%), Molybdenum (6.3%), nayitrogeni ndi chromium yomwe imapangitsa kuti zisautso, chloride pansi. Al6xn imagwiritsidwa ntchito makamaka pokana zolimba komanso zopondera ku chlorisi. Ndi chitsulo chosapanga dzimbiri.

A Austm A403 WP304 Zoyenera ndi mtundu wa austetic kalasi yoyenera. Zovala za SS chitoliro zimatha kukhala zopanda pake kapena zochokera.

Ictives 600 yozungulira ndi intoy-valkel-brad-cenel carburrization ndi kukana bwino kuwonongedwa kwakukulu. Zingwe zozungulira 600 zozungulira zimagwira ntchito kuyanika cl2 ndi mipweya ina yambiri yofananira ndi kutentha kwambiri. Alloy 600 bar ndi a chromial-cromiyal-cromiyal-cromiyal-chloride bwino oxidation ndi kukana ku chloride kuwonongeka kwa chloride kugwa, ukhondo wamadzi acid kumatentha.
Nickel Anoy Fronges
Chitsulo chosapanga dzimbiri
Chitsulo
Kunyumba »
Imbani 36 K93600
Zitsulo zosapanga dzimbiri & ndodo
Masamba osapanga dzimbiri & ma sheets & coils
Matumba a Pika Matumbo
Chitetezo Cate adapangitsa kusapanga dzimbiri
FSTEOLLOY C2000 mapaipi a ASME SB626 FOTELOLELOY C2000 Worded Bis
Kupanga Rame B36.10 ASME B36.67

Zitsulo zosapanga dzimbiri ndi zamkuwa nthawi zambiri zimakhala zabwino kwa othandizirana ndi ntchito ndipo onse akuchita bwino pakapita nthawi. Chitsulo chosapanga dzimbiri, chimakhala cha mitundu yosiyanasiyana yokhala ndi zonena za chromium zomwe zimachokera pa 12 mpaka 30 peresenti, zomwe zimateteza bola momwe chidwi chachikulu chambiri chimapitilira 12 peresenti.

Inter 36 ® ndi chitsulo-chitsulo chotsika kwambiri chomwe chili ndi 36% Nickel, IMPARS 36 ili ndi zochulukirapo pakukula kwa kutentha kwa a Crogenic pafupifupi + 260 ° C).

Zitsulo zopangira zimapereka mwayi woyenera kuyeretsa, kuyeserera kapena kusintha. Nthawi zambiri amabwera motsatana koma amathanso kubwera m'magulu osiyanasiyana komanso amakona. Ma flanges amalumikizidwa wina ndi mnzake pobowola komanso wolumikizidwa ndi makina opukusa ndi kuwotcherera kapena kuluma ndipo amapangidwira kusokonekera kwamphamvu; 150lb, 300lb, 400lb, 600LB, 900LB, 1500LB ndi 2500Lb.

Illever C-276 Alloy ali ndi vuto lalikulu la madera osiyanasiyana, kuphatikiza oxidizezer ndi culric chrorides (orcric ndi acergated acids, ndi madzi am'madzi ndi brine ndi brine.

Imatha kupirira mankhwala osiyanasiyana osakhazikika komanso osasinthasintha, ndikuwonetsa kukana kwakukulu ndikumenya ndi Crevice pamaso pa chlorides ndi ma halides ena.

Zizindikiro za Nickel-Copy-Copy 400 monol 2.4360 molunjika rod ndiyabwino kwambiri opsinjika ku chloride ku chloride movutikira mukakumana ndi zowononga m'matumbo. Monl 400 ndi a Haloy ndi Nickel omwe amadziwika masiku ano chifukwa cha ntchito yake yayitali. Alloy ali ndi kukana bwino acid ndi alkali. Kuphatikiza apo, ili ndi mphamvu zabwino zokhala ndi mphamvu, duckity, kukhala waulimi wabwino kwambiri, ndipo imatha kuumitsidwa ndi ntchito yozizira. Kuphatikiza apo, itha kugwiritsidwa ntchito poizona ndi kutentha kuyambira kuchotsera mpaka 538 digiri Celsius.
Zitsulo Zosasunthika Zakuthupi A312 TP304, TP304L, TP316, TP317, TP317, TP317, TP317, TP317, TP317, TP317, TP317, TP317, TP317, TP327, TP317
Kwa A335, Chromium ndi chinthu chofunikira kwambiri chomwe chimagwiritsidwa ntchito popanga chitsulo chosapanga dzimbiri. Ngati Chromium zomwe zili pamwamba 12%, zitha kulembedwa kuti chitsulo chosapanga dzimbiri. Ngakhale kutentha kwambiri, kuthekera kwa antioxidant kwa chromium sikuwonekanso. Kuumitsidwa bwino, mphamvu zowoneka bwino ndikupereka mphamvu pa kutentha kwambiri. Chifukwa cha kapangidwe kazinthu, ndibwino kugwiritsa ntchito mu mphamvu yamagetsi, zowonjezera, mafuta a petrochemamical ndi ntchito zina zamafuta omwe amaphatikizidwa ndi mayendedwe apamwamba.

ASTM A240 Mtundu 2205 Plate ndi duwa losapanga dzimbiri lomwe limagwiritsidwa ntchito kwambiri m'mafakitale, kufufuza kwamafuta ndi mafuta, ndi ukadaulo wamadzi, ndi ukadaulo wamadzi. Mapepala 2205 amapangidwa kuchokera ku kalasi ya SAGIS 2205, chitsulo chosapanga dzimbiri, chomwe chimaphatikizika ndi chitsulo champhamvu.
Nickel Anoy Fronges
Chitsulo chosapanga dzimbiri
Chitsulo
Kunyumba »
Imbani 36 K93600
Zitsulo zosapanga dzimbiri & ndodo
Masamba osapanga dzimbiri & ma sheets & coils
Matumba a Pika Matumbo
Chitetezo Cate adapangitsa kusapanga dzimbiri
FSTEOLLOY C2000 mapaipi a ASME SB626 FOTELOLELOY C2000 Worded Bis
Kupanga que b36.10 asme B36.19

Chitsito chopanda maziko cha 316 chakhala chinthu chofunikira kwambiri kwa gawo la mafakitale. Chitsulo ichi ndi chrome chimadziwika kuti ndikukana kwake kuvunda, komanso kukhazikika kwake. 316 Chitsulo chosapanga dzimbiri chimatha kupangidwa muzosaso komanso machubu owuma kuti akwaniritse zosowa zapadera za kasitomala.

A105 ndi nambala yakuthupi, imakhala ya chitsulo chapadera, ndi kuzizira kokhazikika. A105 ndi odekha ofatsa ofanana ndi zitsulo 20.