Fuptx Stel Poka Piʻi & Tube

ʻO ka ikaika o ka Inconel 625ʻaʻole wale nō i loko o konaʻano nickel-chrisl-chromitium, akāʻo ia hoʻi ka mīkini paʻakikī a me ka molybdenm.

ʻO keʻanoʻo Steelless Steel 316 a puni kahi huahana i hanaʻia i ka kila stiinless. E hoʻohana i nāʻoihana likeʻole e hoʻohana i nā helu likeʻole o ka kila kila. Ua hoʻohanaʻia nā lāʻau kila Strienless no ko lākou ikaika a me ka paleʻana o ka ikaika.

Ua kūpono ia i nā noi likeʻole e like me nā poʻo o ke kaʻa, nā mīkini mīkini, nā kiʻi a me nā lako hana hana. Hot \ / Cold \ / fabricate \ / seamless \ /

ʻO 304ʻO Steel ka mea kila maikaʻi loaʻo ia ka mea kila kūikawā maʻamau. ʻO ka kila he chromiumʻelua (ma waena o 18% a 20%) a me Nickel (ma waena o 8% a me 10. 1] medial. He kila maikaʻiʻo Austentitic e hiki mai ana i USES, hiki ke loaʻa iā SS304 i nā mea hoʻokūkū a me nā mea hoʻokūkū'ē aʻe. Ua hoʻohanaʻia hoʻiʻo SS304 e hana i nā kīʻaha kino, nā neʻe o nā kaʻa e like me ka kūkuluʻana i nā lāʻau lapaʻau.

Incooloy 800th Flange i loaʻa iā mākou kahi hana ikaika i kaʻoihana no ka hanaʻana i nāʻano kiʻekiʻe o nā mea kūʻai aku. Hana mākou i nā flangy 800 flanges e hilinaʻi a kiʻekiʻe i ka maikaʻi. Hoʻohana mākou i nā kumuwaiwai kūʻai mua a me ka mīkini holomua no ka hanaʻana i ka Astm B564 URT N08800 UPOLOY 800 FOLLARY 800 FILTOY 800 BLUES 800 FOLDER 800 FILLY.

Ua hoʻohana nuiʻia ia ma ka hana o ka aila a me kaʻimiʻana i ka hau

A105 e hoʻokau i ka ikaika a me ke kaumaha, e ka ikaika, ellingation, ellingation, hoʻemi ponoʻana o kahi, a me nā koi paʻakikī. Nā Kūlana no ka hale kūʻai, hoʻoponoponoʻia ma mua, a hāʻawiʻia ka huahana hōʻailona hōʻailona.

Hiki iā ia ke hoʻomau i kahi ākea ākea a me nā mea hanaʻole e hoʻopili ana, a me ka hōʻikeʻana i ka paleʻana i ka pale a me nā mea pio'ē aʻe.
Avar 36 mau kiko'ī:ʻAʻole K93600, W.NR 1.3912

asme b16.5 papa 150 nickel alokel alloy soff flange sw slange k500 werktsf nr. 2.4361 flange

Ua hoʻohanaʻiaʻo Hatelloy C2000 mau tubes i ka pākeke kikowaena me ka hoʻopiliʻana i nā lako hoʻoiliʻana, me nā lāʻau uila.

ʻO Jontar 36® he kapa nulkel-hao, ka haʻahaʻa haʻahaʻa haʻahaʻa e loaʻa ana i ka makahiki 36%

254ʻO ka pahu pahu he kiʻekiʻe kiʻekiʻe o Austentitic High Austetelitic Stainless Stanity. Ua hoʻomohalaʻia kēia papa kila kila kila no ka hoʻohanaʻana i ke kai a me nā pāpālina'ē aʻe e pili ana i nā chritid chorite.

ʻAno "seashless pila
Kāhea 36 UNT K93600
ʻO nā mea i hoʻopaʻaʻia-expast
ʻO nā pahu kila kila & nā rods

ʻO ka iʻa he'oki'īʻia, nā lehelehe a iʻole ka rim, a i loko o waho a iʻole ka hanaʻana i ka ikaika o ka hao hao No ka hoʻopili maʻalahiʻana \ / ka hoʻololiʻana o ka pilina pili me kekahi mea'ē aʻe (e like me ka flange ma ka hopena o kahi pākeke, etc. a iʻole no ka hoʻopaʻaʻana a me ke alakaʻiʻana i nā neʻe o kahi mīkini a iʻole nā'āpana o ka kaʻa kaʻa a iʻole ka huila o nā huila mai ka holoʻana i nā huila. Hoʻohanaʻia ka hua'ōlelo "Flange" no kahiʻano hana i hoʻohanaʻia e hana i nā flanges.

ʻO Monelk-500 Alloy ka nui o nā mea hoʻokūkū ikaika e like me ka nui o keʻano o ke anuanu nui. Hoʻomaka nā mea i ka papa ma luna o kaʻili a me ka prosagate i ke kikowaena. Aia nā mea transcrystalline a me nāʻano intercrystalline.

ʻO ka corrosiod restant reselloy alloys i hoʻohana nuiʻia e nāʻoihana hana hoʻololi. ʻO ka pono no ka hoʻokō ponoʻana i kā lākouʻaeʻana a me ka uluʻana i nā wahi o ka ikehu, ke olakino a me ka haule a me nā mokulele

ʻO Nickel 200 Flanges i ka Nickel 200 mau Blanger, ua paʻaʻole nā ​​Blangs Eia nō naʻe,ʻo ka astm B564 UNT N02200 mau mea makapō i keʻano o ka hanaʻana a me ka hanaʻana no ka hoʻohanaʻana i nā lako hana meaʻai.

ʻO Titanium ka hana a Titinium e pili ana i ka 60% o nā kila kila a me nā nickel a me Nickel, e hana ana kēia koʻikoʻi e like me keʻano nui e like me Aerospace.

Monel K500 Dule a me nā paila haʻahaʻa haʻahaʻa i loko o ka wai kiʻekiʻe
Hiki ke hoʻohanaʻia kēia hana Nickel Steel i keʻano ma keʻano he kūlana maʻamau no ka mea e noho ana i keʻano o ka nui o ka carin-bounding.
\ / 5 / ^ E pili ana

316l 1.440116603 Stainless Steel Fail Pipi a me nā koho balota maʻamau i hoʻohanaʻia ma kahi ākea ākea a me nā noi maʻamau. Ua hanaʻia kēia SS UN SS URT S31603 Pear i kahi kiʻekiʻe o keʻano he nui a me keʻano nui.

ʻO kahi pūpū i hoʻopaʻaʻia i ka'āpanaʻekolu a me ke kūʻokoʻa me kaʻole o nā mea i hoʻopiliʻia; nā palaoa, nā wahia kūlohelohe a me nā hao; e'ākoakoaʻia e kekahi mana hou,ʻo ka mea kūpono. Pono nā mana kūikawā i ke koho a me ke noiʻana o nā mea a pau i loaʻa i nā mea āpau e loaʻa ai kahi paʻa.

Astm A240 Type 2205 Plate Actex Stainleless Guilleless But Membery E hoʻohana pinepineʻia i ka hanaʻana i keʻano o keʻano hana, a me ke kaʻaahi a me kaʻenehana. Sa 240 Gr 2205 pepa i hanaʻia mai ka papa kiʻekiʻe 2205

Ua hanaʻia nā momona o ka pīpī 304 ʻO kēia mau mea hoʻopiʻi S30400 e hoʻohana ana i ka hoʻohanaʻana i nā mīkini loea a me nā kaʻina hana, e hōʻoiaʻiʻo ana e kūpono a hilinaʻi lākou.

ʻO Al6xn kahi mea i aloha nuiʻia me ka paleʻana i ka paleʻana i ka paleʻana, crevice corrosion a me ke kaumaha corrosione a me ke kaumaha ʻO Al6xn he 6 molly alloy i hoʻomohalaʻia no ka hoʻohanaʻana a hoʻohanaʻia i nā wahi ākea nui. He Nickel kiʻekiʻe (24%) Ua hoʻohana muaʻiaʻo Al6xn no kāna mea i hoʻomaikaʻiʻia a me ka crevice corrosion corostion i loko o nā chrides. He mea kila kila a me keʻano maʻamau.

Hōʻike ia i ke kū'ē maikaʻi i ka hanaʻole a me ka hōʻemiʻana i nā wahi. Hoʻokumu kēia Alloy i kahi kiʻi pīkī o ka pipi

ʻO Excontel 718ʻo ia kahi inoa inoaʻo Nickel-Chomium-chromitium ʻO kekahi o nā mea nui loa i ka hana o ka hana o ka astm b670 Incontel 718 ka pepaʻo ka papa hana papa. Aia heʻelua mauʻano nui o nā hanana hanana 718 i loaʻa ma ka mākeke: i hoʻopiliʻia a me ke anuanu.

ʻO ka mella 400 mau blangs he Nickel-copper alloy ʻO ka alloy 400 kahi paʻa paʻa paʻa e hiki ke hoʻopaʻaʻia e ka hana anuanu. ʻO kēia Nickel Alloy He maikaʻi loaʻo Corrosion Cortission, maikaʻi maikaʻi a me ka ikaika kiʻekiʻe.

Nilo allloy 36, w.nr 1.3912, Gockel ka nui o keʻano o ka carbon.

ʻO Nickel Alloy 400 a me ka moa 400,ʻikeʻia e like me ka Nok4400,ʻo ia ka Brictile Nickel Uaʻikeʻiaʻo Nickel Alloy 400 i kona paleʻana i nāʻano kūlike, me Alkaliis. No ka meaʻo Monel 400 a iʻole he 400 kahi i hana i ka metal i loaʻa, he nui keʻano a me ka ikaika. Ma ka hana anuanu astm b164ʻAʻoleʻo Br Stock Stock, i kauʻia nā pae kiʻekiʻe o keʻano o keʻano o ka miclotrunical.

ʻO ka Astm A554 TOP304 i kahi kūlana o ka paleʻana o ka corrosion i ka ikaika maikaʻi. ʻO ke kumukūʻai kūpono o ka hana o ka allowloy 304 smurake i hanaʻia ma luna o kahi ākea ākea. ʻO ka Astm A270 TOP34 TUMT i ka chromium a me nā nickel i nāʻano likeʻole o nā mea e like me nā mea e like me nā mea e like me ka mea e like me ka mea e like me ka cs 304

Astm A312 TOP316 SEMPLESS OFFECH CHAPE PPAPP PP PPE S31600 SML PIPE

ʻO nā hopena o nā mea e noho ai ma kahi papa nui loa, e hopena ana i kahi hualoaʻa i loko o kahi pā ākea ma ka lōʻihi o ka paipa. Aia he mau pahu nunui a alloyl ʻO ka paila nickel maʻemaʻe ke hoʻomaʻemaʻe maoli a loaʻa i kahi o 99% nickel i loko o kānaʻano. ʻO ka pailaʻo Nickel Welled i kūpono no nā pono e pono ai. ʻO Nickel i loko o ka corrosiost loa a me ka māmā a me ka māmā. Hoʻohanaʻia kēia mau hiʻohiʻona o nā mea i nā noi likeʻole.

310, 310s a me 310h mau papa hana kila kila he mau kila stielless austenitic Hiki ke hoʻohana mauʻia ma nā mahana e piʻi ai i 2,100¡Ãã. Aia i kēia papa he 25% chromium a me 20% nickel, e hana ana i keʻano nui a me ka corrosion.
Nickel 200 mau runges
AizzSbaijani
Vietnamese
ʻŌlelo Belarusa
ʻŌlelo Haiki
Nilo \ / al alloy k w w.nr .:,3981
Zhengzhau hu piei
Kino (Kahua)
Nā toes kūpono kūpono steel sch160
Gontar 36 nilo Alloy 36 W.NR 1.3912 UND K93600 Astm F1684
ʻO nā wahi āpau i hoʻopiliʻia 304 1.4301 stub hoʻopau

ʻO Butt Welth Carbon Steel Steel ecbow eccentric remiceric remiceric remicentric

Kino (Hōʻailona)
Astm A312 TOPPTED AUPE NO KA HOOPONOPONO, NANUM E PILI ANA I KE ATENDED AUTED AUTED SILD SMALD SMALDS ATERTEDIVER ATETED ATUTED ATUTED ATUTED ATUTED ATUTED ATUTED ATUTED ATENDERS. Hanaʻiaʻo ka mokulele mokuleleʻo 316

Hoʻohanaʻia nā F30400 Ppe Folt4P i ka Petroleum, Petrochemical, nā mea kanu pilikino a me nā lawelawe pilikino.

ʻO Moel 400ʻO ka Nickel-Copper Alloy (ma kahi o 67% mau o ka wai a me nā cuuscelent a me nā mea hana alkaline. Maikaʻi maikaʻi a me ka laweʻana i ka thermal cental no nā noi o ke kai.
Nickel 200 mau runges
AizzSbaijani
Vietnamese
ʻŌlelo Belarusa
ʻŌlelo Haiki
Nilo \ / al alloy k w w.nr .:,3981
Zhengzhau hu piei
Kino (Kahua)
Nā toes kūpono kūpono steel sch160
Gontar 36 nilo Alloy 36 W.NR 1.3912 UND K93600 Astm F1684
Incloloy 800sh pipe me kahi kiʻekiʻe kiʻekiʻe

Uaʻikeʻiaʻo Nickel i kahi o 800 i ka paipaʻo Axloy Hexagonal Pop Ke'ōlelo pololei nei, e hāʻawi i ka paipai o ka incoay 800

ʻO kaʻaihue, heʻanoʻano carbon. Ke Kūleʻa nei i nā kākele i nā pahu pahu a i ke kākā i ke kumu nui o ke kalana i kapaʻia he kila calael. Ma kaʻaoʻao'ē aʻe,ʻo ka nui o ka carbon i kēia manawa i keʻano o ke alahele e hoʻoholo ai i keʻano a iʻole ka papa o ka carbon. Heʻaihue melemele ke kiʻiʻoniʻoni o nā cleel haʻahaʻa loa o kekahi kila, akāʻaʻole ia e ukuʻia. ʻO kaʻoiaʻiʻo,ʻo ka cheel steel ka mea maʻamau i hoʻohanaʻia ma ka helu kila maʻamau, e pili ana i ka 85% o ka hana a U.S. Steel hana.

ʻO ka papa 150ʻAʻoleʻo N05500 SCETER FLUE FLELD A NIKEL RIPLEM-CHIPLE ALYCAL ALYE e hiki ke hoʻopaʻaʻia e keʻano. Kaulana loa i kaulana no kona paleʻana i keʻano o ka hoʻemiʻana i nā media a me ke kai,ʻo ka monel 400 ka mea i loko o nā mea kūʻai aku ma mua o nā mea kūʻai aku. Kaulanaʻia e like me ka alloy 400, clal 400 mau flanges i hoʻohanaʻia i loko o ka mahana kiʻekiʻe, nā mea maʻalahi a me ka paʻakai.

ʻO nā huapalapala kiʻekiʻe, molybdenum a me nā hualoaʻa e like me ka helu o nā mea e like me nā mea e pili ana i ka madestice

ʻO Alloy C276 no ka F276 Flange Flange F276 Flanges i hanaʻia i ka Nickel Chromium Molybdenum Alloy Aia ka hoʻonohonohoʻana ma 50.99% Nickil, 14.5% Chromerama, he'ukena,ʻo Mangnase, ma ka polfparus i loko a me nā poshost. ʻO ka wikiwikiʻo Handely C276 i keʻano o ka papaʻaina kiʻekiʻe o ka lumi o 1370 deges celseius. Hiki i kēia wahi kiʻekiʻe Melting Melting no nā kiʻekiʻe kiʻekiʻe o nā papa o nā flanges. ʻO ka mea nui i loaʻa iā 790mpa liʻiliʻi haʻahaʻa haʻahaʻa haʻahaʻa a me 355mpa liʻiliʻi e hāʻawi i ka ikaika.

ʻO nā pahuhopu Austevitic maʻamau e like me 304 (1.4301) a me nā mea kanu ferritic e like me 430 I keʻano o ko lākou inoa, aia nō lākou he nui o hoʻokahi o ka phase, austente a iʻole ferrite. ʻOiai he maikaʻi kēia mauʻano no ka nui o nā noi noi, aia kekahi mau nāwaliwali koʻikoʻi koʻikoʻi i nāʻanoʻelua.

Hāʻawi kēia i ke kū'ē i ke kū'ēʻana i ka sulfuric acid. Loaʻa iā ia kahi mea iʻike nuiʻia, e hoʻonui i kona paleʻana i ka oxidizing a me nā kaʻina hana i hoʻohālikelikeʻia me nā oxygen.

ʻO ka inctoel 600 mau pahu e pili ana i ka Nicokal ʻO ka inconil 600 mau pahu e pili ana i ka maloʻo maloʻo cl2 a me nā mea'ē aʻe e like me nāʻano likeʻole a me nā kiʻekiʻe kiʻekiʻe. ʻO ka alloy 600 bar he Nickel-chromium alloy me ka pale o ka oxidation maikaʻi a me ke kū'ēʻana i ka wai e hoʻonui ai i nā wela.

Ua kohoʻiaʻo Sch40 Monel 400 paila e like me Werktoff helu 2.4360 a me keʻole N04400. Ua hoʻokumuʻiaʻo Analo 400 Oploy ma o Memle 400 Pipe, Mely 400 Pipi 400 Pipi 400 Pipa & Nicike & Nicikelom Elalo 400 Pipa 400

ʻO Nickel-Copper-copper-colloy 400 moll chery 2.4360 ʻO Moel 400 kahi keleawe a me nā nokel e pili ana i ka moky mody e pili ana i kēia lā ma muli o kona hana kiʻekiʻe. ʻO ka alloy ka mea maikaʻi loa a me nā pale alkili. Eia kekahi, he ikaika maikaʻi ka nui, nā hopena heʻe maikaʻi loa, maikaʻi loa ka maʻi hoʻohuwali wai, a hiki ke paʻakikī i ka hana anuanu. Eia kekahi, hiki iā ia ke hoʻohana i nā noi me nā mahana i ka nui o ka miner mai ka minius i 538 degal celdsius.

ʻO ka Handtelloy B2 Pīpeku i nā mea lawelawe ma Mumbai e hoʻohana ana i kēia astm B622 i kohoʻiaʻo B2

Hiki i nā kīleʻa 254 ke nānā aku i ke koʻikoʻi kiʻekiʻe a me keʻano o keʻano kiʻekiʻe a me ka pae kiʻekiʻe ma ka pae kiʻekiʻe.

E huiʻiaʻo Sa 182 i nā Fold Fold Fulder ma ka hoʻokomoʻana i ka paipu i loko o ka hopena i ka hopena a me ka hoʻopiliʻana i kahi fillet a puni ka pit. Hāʻawi kēia i ka holo maikaʻi o ka wai a iʻole ka hau i loko o ka paipa a me nā lua mālie.

Astm A269 TOP34 SEMEMLES FAELE CHEEEL TUBE 85mm
Mononan k500ʻaʻole es tegnetico. Mononan K500 DEBE FORETO SEUSDA, LEEGO LANA CADEDURA DEBERSRASE DE LA DELDJECIMENTO.
Astm A815 s32205 Duplex Gamelless Stel Pear Fitutings Stops

Ua hoʻohana pinepineʻiaʻo Inconel 718 Elsobows i nā'āpana DAS Turbi

Hāʻawi ka kaulike kaulike i ka alloy e hōʻike i ke kū'ēʻana i ka paleʻana i ka carburization,'oxidation a me nā mea hoʻonaninani. ʻAʻole e liloʻo 800ht i nā mea e like me ka lōʻihi o ka hoʻohanaʻana i ka papa inoa o 1200-1600. ʻO nā hiʻohiʻona kūpono maikaʻi loa e pili ana i nā hiʻohiʻona e pili ana i nā alloys nickel-chrisl-chrisl-chromium i hōʻikeʻia me 800ht. Ke hele nui nei ka maloʻo nui i ka nui o ka palaoa i kapaʻia he nui i kapaʻiaʻo "Organ Peel". Hiki ke hoʻohanaʻiaʻo 800ht e nāʻenehana maʻamau i hoʻohanaʻia ma nā kila kūlohelohe.

ʻAʻoleʻo N08367 i kapa pinepineʻiaʻo Alloy alowbden a me ka currosity superidet nui a me ka curvice

ʻO ka monel 400 e hana ana i kahi ākea ākea a me nā wahi alkaline a me nā alkaline nā wahi alkaline a me nā mea maikaʻi loa a me nāʻano hana nani. ʻO kāna mau waiwai e kūpono ai no nā noi koʻikoʻi a me nā mea e koi ai i kahiʻano kiʻekiʻe a me ka paʻakikī i nā kūlana nui.
Nickel 200 mau runges
AizzSbaijani
Vietnamese
ʻŌlelo Belarusa
ʻŌlelo Haiki
Nilo \ / al alloy k w w.nr .:,3981
Zhengzhau hu piei
Kino (Kahua)
Nā toes kūpono kūpono steel sch160
Gontar 36 nilo Alloy 36 W.NR 1.3912 UND K93600 Astm F1684
Moel 400 Pqua Ppua no nā Faimits no nā maka
Astm asme sb 164 monel 400 ceel bar ches und n04400 n04400 n04400 n04400 Noky Bar
HTTPS: \ / \/ \ / www.htpipe.com \ / steelpipe

Loaʻaʻia ka hana hoʻonuiʻia e ka hoʻohuiʻana i ka alumini a me ka titanium i kahi matrix-keleawe-keleawe-keleawe. ʻO nā flanges he pipe kūpono e hoʻopili i nā paipai i kekahi i kekahi a ua hoʻohanaʻia e hoʻopili i ka pā o ka pā piko. Ma kahi o ka hoʻohuiʻana o Monel K-500 mau Blanges e kūpono i nā kīwī o nā m-500 e hōʻoia i ke kūpaʻa a me ke kūpaʻa o ka pilina.

I mea e hōʻike ai i ka pipeline, pono e wehe i ka hose pololei i ka papeline. Ke hoʻohana nei i nā pākuʻi likeʻole, pono e hoʻohanaʻia nā kīwaha pila. Ke hoʻohanaʻia ka pipeline, e hoʻohanaʻia ke kihi e hoʻololi i ka nui o ka paila. I ka wā eʻoi aku ai, ke alaʻekolu e hoʻohana ai i ka pili o ka hoʻouluʻana a me ka nui o ka huiʻana i ka nui o ka paila o ka piko. , Ma ka pilina o nā mea hana likeʻole, aia nō hoʻi nā mea pili a me nā mea hoʻopili a me nā plugs o ka mea kūʻai.

Ua liloʻo ia i ka pōkōʻo And66 Uaʻikeʻia kēiaʻano hao a me ka chrome no kona pale kiʻekiʻe i ke kuʻekuʻeʻana, a me kona mau wā e like ai. 316 hiki ke kiʻiʻiaʻo GRAEELY TUSEE TUBING i nā kīwīʻelua a me nā kīwī i hala e hoʻokō ai i nā pono o nā mea kūʻai aku.
ʻO nā pahuhopu Austevitic maʻamau e like me 304 (1.4301) a me nā mea kanu ferritic e like me 430 I keʻano o ko lākou inoa, aia nō lākou he nui o hoʻokahi o ka phase, austente a iʻole ferrite. ʻOiai he maikaʻi kēia mauʻano no ka nui o nā noi noi, aia kekahi mau nāwaliwali koʻikoʻi koʻikoʻi i nāʻanoʻelua.
ʻO Handely C276 Photoerer he mea e kū'ē ai i ka corrosion e kū ana i ke kūkuluʻana i ka hoʻolālāʻana o ka nui o ka palaoa. ʻO C276 Alloy nā mea paʻa i loaʻa i ka manikini maikaʻi a hoʻohanaʻia no ka desulfurization o nā lako hana uila a me nā lako hana pono. Hoʻohana pinepineʻiaʻo Handely C276 mau bolts e hoʻopaʻa i nā mea a iʻole nā ​​mea a iʻole nā ​​mea e noho ai. Kahi mea paʻa e pili ana i ka maʻamau o ke poʻo ma kahi hope a me kahi papa hana ma luna o kekahi. Hoʻohana pinepineʻia ia i ka hopena i hanaʻia a hoʻopauʻia ma ka 1121¡ãac (2050¡Ã

ʻO Handellot B2 papite ka mea maikaʻi loa i ke kūpaʻaʻana i nā hopena āpau a me nā kūlike o ka maʻi hydrochlopric acid.

ʻO Alloy 800 he Nickel-Irkel-chromium alloy me ka ikaika kiʻekiʻe a me ka paleʻana i ka ikaika a me ka corrosiot i nā kiʻekiʻe kiʻekiʻe. Astm B407 URT N08800 INCOLOY 800 W. NR. 1.4876 ka pape welded i hoʻohana nuiʻia no ka hanaʻana i nā mea hana e koi ai i ke kū'ē