Ipayipi elingenasisekelo lensimbi ss 304 pie Pipe A312 Pipe Plain End in stock

$\ 5 ^ kususelwa ku-$

I-Nickel Alloy Pipe neThubhu
Duplex Flanges
Monel 400? yi-alloy ye-nickel-Copper elukhuni ngokusebenza kubanda kuphela. Izinhlobo ezahlukahlukene zokufakelwa okutholakalayo zingama-monel stub End, Monel Reducer, Monel End Cap Fittings, Monel Tee, njll.
I-ASTM A335 P5, P9, P11, P12, P22, P91, P122

Ukubuyekezwa Kwamakhasimende

$\ 5 ^ kususelwa ku-$

Ukhohlwe ama-flanges aqediwe a182 f5 allloy wn flanges ukufakwa okulula
Ukunwetshwa okulungiselelwe i-iron-nickel-cobalt alloys, ama-kovar alloys, ube nokwanda okunezinwele okuqondile okufana nalokho kwengilazi enzima ngaphakathi kobubanzi bokushisa obuthile
Iplate yensimbi ye-alloy 42CRMO4 intengo nge-kg

I-Tuberias de Acero inonidable duplex 254smo S31254

$\ 5 ^ kususelwa ku-$

I-weld intamo flange, ebizwa nangokuthi i-tapered hub flange noma i-high-hub flange noma i-flange evuthayo engahambisa ukucindezelwa kumapayipi, iqinisekise ukwehla kokuhlushwa kwengcindezi ephezulu kakhulu phansi kwe-flange.
Ibha yensimbi eyindilinga ibha yensimbi ekhanyayo A182 F22 Bar

Ama-flanges ensimbi alloy

$\ 5 ^ kususelwa ku-$

I-weld ntamo flange ihlanganisa ukufaneleka okuyindilinga okudlula ngaphezu komugqa wokujikeleza. Lawa ma-flanges, akhiqizwa ngokujwayelekile ekwakheni, empeleni afakwa emapayipi.

I-Ansi Alloy Steel Flanges ASTM A182 FLAngeses inikeza ukuqedwa kobufakazi bokugqwala nokushintshwa okubushelelezi kusuka kubukhulu obuhle bube yipayipi

$\ 5 ^ kususelwa ku-$

Isihluthulelo sokwakheka kwe-P5 kwama-Allomium-Molybdenum Alloys ukufakwa kwe-chromium ne-molybdenum. I-Chromium noma i-Chromium ikhulisa amandla okushisa aphezulu, inyusa ukumelana ooxidation futhi yandisa isivuno, isivuno kanye nobulukhuni emazingeni okushisa asekamelweni. I-Molybdenum ithuthukisa amandla, umkhawulo we-elastic, ukumelana kokugqoka, ikhwalithi yomthelela nokuqina. Kukhulisa ukumelana nokuthambisa, kuvimbela ukukhula okusanhlamvu, futhi kwenza i-chrome yensimbi ibekwe ngaphansi kokufona. I-Molybdenum futhi iyisengezo esisebenzayo kakhulu sokwandisa amandla okushisa aphezulu okushisa okushisa noma ukumelana nokuphikiswa. Iphinde ithuthukise ukumelana nokugqwala kwensimbi futhi ivimbela ukugqwala okukhonkotha.
ANS: K94610 ASTM F15
IHaiti Creole
Azerbaijani
Insimbi ye-alloy
A335 P11Alloy Pipe
I-Carbon \ Amapayipi ensimbi engenamsebenzi
Amapuleti ensimbi Dupplex & Amashidi namakhoyili
Ukubukelwa kwamapayipi
Invar 36 tube od: 0.2-6mm, WT: 0.02-2mm
I-INTRR 36 NILOOY 36 W.NR 1.3912 ANX K93600 ASTM F1684
Ipayipi le-A335, ipayipi le-S50400, ipayipi lensimbi engagqwali
I-Material Alloy Steel ASTM A333 Ibanga 3, ibanga lesi-6, ibanga lesi-8, ibanga 9
I-ASTM B366 DN300 200SH 80 ASME B16.9

Ubukhulu: SCH5 ~ Schxxs

$\ 5 ^ kususelwa ku-$

I-ASTM \ ASME A387 \ SA387 Alloy Steel Gr. I-5 CL 1 \ 2 iyipuleti yensimbi ye-chrome molybdenum alloy esetshenziswe ngokuyinhloko kuma-boilers we-welded kanye nemikhumbi yengcindezi eyenzelwe i-High Temperity Service. Okuqukethwe kwe-CR kwakungu-5.00%, futhi okuqukethwe kwe-MO kwakungu-0.5%.
ANS: K94610 ASTM F15
IHaiti Creole
Azerbaijani
Insimbi ye-alloy
A335 P11Alloy Pipe
I-Carbon \ Amapayipi ensimbi engenamsebenzi
Amapuleti ensimbi Dupplex & Amashidi namakhoyili
Ukubukelwa kwamapayipi
Invar 36 tube od: 0.2-6mm, WT: 0.02-2mm
I-INTRR 36 NILOOY 36 W.NR 1.3912 ANX K93600 ASTM F1684
Khiqiza i-ASME B36.10 ASME B36.60

I-Scottish Gaelic

$\ 5 ^ kususelwa ku-$

I-Pipe ku-ASTM A335 P11 ingabanda noma ishibhile. I-tube ngayinye izovuselelwa ukwelashwa okushisa - ifakwe ngokuphelele noma i-ansotheraly ngokugcwele, ijwayelekile futhi yathuthumela emazingeni okushisa awekho ngaphansi kuka-1200¡¡Ãf (650¡Ãc). Ubude bepayipi ngalinye buzohlolelwa ngokuqinile ku-ASTM A335 P11, kanye nokuhlolwa okubucayi nokuhlolwa okubukwayo. Ukuhlolwa okude noma okuguqukayo okuguqukayo, izivivinyo ezivuthayo noma ukuhlolwa kokugoba kwenziwa ngokushisa ngakunye.
Ukukhiqiza i-ASME B36.10 ASME B36.40
ANS: K94610 ASTM F15
IHaiti Creole
Azerbaijani
Insimbi ye-alloy
A335 P11Alloy Pipe
I-Carbon \ Amapayipi ensimbi engenamsebenzi
Amapuleti ensimbi Dupplex & Amashidi namakhoyili
Ukubukelwa kwamapayipi
Invar 36 tube od: 0.2-6mm, WT: 0.02-2mm
I-INTRR 36 NILOOY 36 W.NR 1.3912 ANX K93600 ASTM F1684
Ukukhiqiza i-ASME B36.10 ASME B36.19

Thola intengo

$\ 5 ^ kususelwa ku-$

Ama-flanges we-ASTM A182 F5 alungele izinhlelo zezimboni, zokwakha kanye nezinto zokuhamba.

Alloy A193 B7 A194 2H Washers Ofanele ukusetshenziswa kwi-Pressure Vesel Service

$\ 5 ^ kususelwa ku-$

Sikwamukela ngemfudumalo amaklayenti ethu ajwayelekile futhi amasha ukuthi ahlanganyele nathi nge-ASTM Seamless Tee B366 (WP20CB, ANC N080020, Alloy20).

I-ASTM335 P9 Amapayipi - I-Zhengzhou Huitong Pipeline Equipment Co, Ltd.

$\ 5 ^ kususelwa ku-$

Ama-F9 we-FWICE we-Alloy wensimbi ancipha ngosayizi uma kuqhathaniswa namanye ama-flanges. Ngakho-ke, i-ASTM A182 F9 FULLES FLANES ithambekele ekubeni ilungele izikhala zomsebenzi eziqinile.

I-A335 P12 P4 angenamthungo yensimbi

$\ 5 ^ kususelwa ku-$

Amapuleti ancishiswa ngesimo esihlukile esibanikeza amandla. Njengoba la mapuleti kufanele asebenze emazingeni okushisa aphezulu nasendaweni yokucindezela ngakho-ke izinto ezifakiwe kuzo zibalulekile kakhulu. Yiziphi izinto ezingezwa ekwenziweni kwengeza izakhiwo ezahlukahlukene ngokwesibonelo, izinga eliphakeme le-chromium lengeza ukumelana okuhle kakhulu. Inikeza nokuphikiswa okuhle kwe-oxidation. Ukumelana nomoya-mpilo kubalulekile kwizimboni ze-petrochemical negesi ngakho-ke kusetshenziswa amapuleti.
ANS: K94610 ASTM F15
IHaiti Creole
Azerbaijani
Insimbi ye-alloy
A335 P11Alloy Pipe
I-Carbon \ Amapayipi ensimbi engenamsebenzi
Amapuleti ensimbi Dupplex & Amashidi namakhoyili
Ukubukelwa kwamapayipi
Invar 36 tube od: 0.2-6mm, WT: 0.02-2mm
I-INTRR 36 NILOOY 36 W.NR 1.3912 ANX K93600 ASTM F1684
Ipayipi le-A335, ipayipi le-S50400, ipayipi lensimbi engagqwali
I-Material Alloy Steel ASTM A333 Ibanga 3, ibanga lesi-6, ibanga lesi-8, ibanga 9
I-ASTM A335 P5, P9, P11, P12, P22, P91, P107

Imigoqo yensimbi yeDuplex & Rods

$\ 5 ^ kususelwa ku-$

I-N04400 iyi-alloy esuselwa ku-nickel-copper esuselwa ku-nickel eyisithupha neyokuthathu. I-Alloy N04400 yaziwa ngokumelana kwayo ezinhlobonhlobo zezimo ezilimazayo, kufaka phakathi izinto ze-alkali (noma ezifana ne-acid), i-brine, i-hydrofluoric acid, ne-sulfuric acid. Ezinye izinzuzo zokusebenzisa le alloy zingubutha namandla aphezulu ngaphezulu kobubanzi bokushisa; Kungabuye kwahlehliselwa ukuba kube yizebulu uma kufiswa.
ANS: K94610 ASTM F15
IHaiti Creole
Azerbaijani
Insimbi ye-alloy
A335 P11Alloy Pipe
I-Carbon \ Amapayipi ensimbi engenamsebenzi
Amapuleti ensimbi Dupplex & Amashidi namakhoyili
Ukubukelwa kwamapayipi
Invar 36 tube od: 0.2-6mm, WT: 0.02-2mm
I-INTRR 36 NILOOY 36 W.NR 1.3912 ANX K93600 ASTM F1684
Ukukhiqiza i-ASME B36.10 ASME B36.57

»

$\ 5 ^ kususelwa ku-$

I-A335 Ibanga le-P9 Alloy Steel Round Round Pipe yisinqumo sakho esihle kakhulu. Izungeze amapayipi enziwe ngensimbi ye-alloy. Kuhle kakhulu, okwenza kube okuhlukile. Inezakhiwo ezinhle kakhulu njengokuqina, ukuqina, ukusheshiswa kanye nokusebenza kukagesi okuphansi.

HT B366 WPC N04400-S 1.25 "x 0.5" SCH40S 99061 I-Thront Tee

$\ 5 ^ kususelwa ku-$

I-A335 GR P22 Piple engenamthungo kulula ukuyifaka njengoba ubukhulu bunembe kakhulu. Ingasetshenziswa ngolunye uhlobo lwe-A335 GR P22 Alloy Pipeal kanye nama-Fittings.

$\ 5 ^ kususelwa ku-$

Amapayipi e-Chromium Molybdenum ngaphansi kwe-ASTM ne-ASME Imininingwane ye-ASME \ SA 335 P1, P2, P12, P12, P12 P5 kanye nengcindezi ephezulu, kungasetshenziselwa insizakalo ye-Hydrogen Sulfide Cororide Service, ukuhlaselwa kwe-hydrogen nokuqhekeka kwe-Embrittlement
ANS: K94610 ASTM F15
IHaiti Creole
Azerbaijani
Insimbi ye-alloy
A335 P11Alloy Pipe
I-Carbon \ Amapayipi ensimbi engenamsebenzi
Amapuleti ensimbi Dupplex & Amashidi namakhoyili
Ukubukelwa kwamapayipi
Invar 36 tube od: 0.2-6mm, WT: 0.02-2mm
I-INTRR 36 NILOOY 36 W.NR 1.3912 ANX K93600 ASTM F1684
Ipayipi le-A335, ipayipi le-S50400, ipayipi lensimbi engagqwali
I-Material Alloy Steel ASTM A333 Ibanga 3, ibanga lesi-6, ibanga lesi-8, ibanga 9
I-ASTM A335 P5, P9, P11, P12, P22, P91, P129

Ama-fastener wensimbi engagqwali

$\ 5 ^ kususelwa ku-$

Inokwakheka kwamakhemikhali, njenge-nickel, i-nickel-chromium, i-molybdenum, i-chromium-molybdenum steel njll.

I-ASME B16.5 Alloy Steel Flange yezinsizakalo zokushisa eziphakeme

$\ 5 ^ kususelwa ku-$

I-ASTM A387 GR.91 Sheet 1500-3000-1.6 SA387 STA 387 GR 11 Prime Hot Roll Plate Plate
ANS: K94610 ASTM F15
IHaiti Creole
Azerbaijani
Insimbi ye-alloy
A335 P11Alloy Pipe
I-Carbon \ Amapayipi ensimbi engenamsebenzi
Amapuleti ensimbi Dupplex & Amashidi namakhoyili
Ukubukelwa kwamapayipi
Invar 36 tube od: 0.2-6mm, WT: 0.02-2mm
I-INTRR 36 NILOOY 36 W.NR 1.3912 ANX K93600 ASTM F1684
I-ASTM A335 GRP22 GRP22 I-ALLOY PIPE

Nilo \ alloy k w.nr.: 1.3981

$\ 5 ^ kususelwa ku-$

The composition of A335 P91 material contains carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, vanadium, nitrogen, nickel, aluminum, niobium, titanium and zirconium. Kunezinhlobo ezimbili zamapayipi angenamthungo namapayipi anezinwele. Ipayipi elingenamthungo lidonswa kwi-billet eyodwa engavuthiwe, ngenkathi i-ASTM A335 GR P91 ipayipi le-welded ishiswe kusuka ku-strip noma eshidi. I-Welding ingaba yingozi noma inde endeitudinal kusuka komunye umkhawulo kuya kolunye ukukhiqiza ishubhu. Amandla amancane wesivuno wepayipi angama-415mpa kanye namandla amancane ashubile angama-585mpa.

Ukucaciswa kwe-Invar 36: Ama-K93600, W.NR 1.3912

$\ 5 ^ kususelwa ku-$

Imigoqo yensimbi yensimbi ye-Alloy ex us k12822 izimboni eziyindilinga isetshenziswa kabanzi kwizimboni eziningi zokwenziwa kwezinhlobo ezahlukene zezakhi. Sinikeza uhla oluphelele lwe-Alloy Steel 15Mo3 Round Bar esetshenziswa kabanzi kubunjiniyela, ukwakhiwa kanye nezinye izimboni.

I-ASTM A182 FLANSE ALCLELS FLANLES yenziwa nge-ASME B16.5 150 #, 300 #, 600 #, 900 #, 1500 #, 2500 #, 2500 #, 2500 #, 2500 #, 2500 #, 2500 #, 2500 #.

$\ 5 ^ kususelwa ku-$

The composition of A335 P91 material contains carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, vanadium, nitrogen, nickel, aluminum, niobium, titanium and zirconium. Kunezinhlobo ezimbili zamapayipi angenamthungo namapayipi anezinwele. Ipayipi elingenamthungo lidonswa kwi-billet eyodwa engavuthiwe, ngenkathi i-ASTM A335 GR P91 ipayipi le-welded ishiswe kusuka ku-strip noma eshidi. I-Welding ingaba yingozi noma inde endeitudinal kusuka komunye umkhawulo kuya kolunye ukukhiqiza ishubhu. Amandla amancane wesivuno wepayipi angama-415mpa kanye namandla amancane ashubile angama-585mpa.

Usayizi Od: 1 \ 2 "" ~ 48 "

$\ 5 ^ kususelwa ku-$

Lawa mapayipi amelana kakhulu nezimo eziphakeme zokushisa nezindawo ezizololonda. Ubulukhuni obuphelele be-ASTM A335 GR P9 PIPEAS engenamthungo incane, ngakho-ke ubukhulu bunembile kakhulu.

Ipayipi lensimbi ne-tube

$\ 5 ^ kususelwa ku-$

Ibanga P11 laziwa ngokuthi i-Chrome Molybdenum Alloy Steel. Uma kuqhathaniswa nensimbi yekhabhoni, izakhiwo zalensimbi ye-alloy ziphakeme kakhulu. Imvamisa, ama-alloy ensimbi afana ne-ASTM A335 P11 PIPE I-P11 ivama amaphesenti amaningi aphezulu kunensimbi evamile. Ngakho-ke thatha ukusebenza kwawo kufinyelela ezingeni elilandelayo. Ukwakhiwa kwe-alloy yebanga le-P11 kuqukethe i-chromium ne-molybdenum, ngephesenti le-chromium elingaba ngu-1.25. Okuqukethwe kwe-molybdenum ku-alloy steel p11 ipayipi elingenamthungo cishe ngo-0,5%.

I-Flange ekhethekile ye-A182 F12 FLANCE ASTM A182 Socket Weld Fleld

$\ 5 ^ kususelwa ku-$

Amashubhu wensimbi engenamthungo e-ASTM A333, avuselelwa futhi alawulwa emazingeni okushisa okusebenza okushisayo nokuphonswa kwamazinga okuqeda kusukela ngo-845 kuya ku-945¡Ãc] futhi apholile emoyeni noma emoyeni. I-Reconded Atmosphere emkhathini kusuka ekushiseni kokuqala ngaphezulu kuka-845¡Ãc]. Okwe-ASTM A333 amabanga angu-1, 6, kanye ne-10 ipayipi lensimbi engenamthungo, angenziwa ukwelashwa kokushisa kusuka emazingeni okushisa afanayo angaphezu kuka-815¡Ãc], nalolu hlelo lokushisa asheshe asheshe athathe indawo.
ANS: K94610 ASTM F15
IHaiti Creole
Azerbaijani
Insimbi ye-alloy
A335 P11Alloy Pipe
I-Carbon \ Amapayipi ensimbi engenamsebenzi
Amapuleti ensimbi Dupplex & Amashidi namakhoyili
Ukubukelwa kwamapayipi
Invar 36 tube od: 0.2-6mm, WT: 0.02-2mm
I-INTRR 36 NILOOY 36 W.NR 1.3912 ANX K93600 ASTM F1684
52N. kwakhiwa i-A182 F5 Alloy Flange ye-BOP

I-Luxembourgish

$\ 5 ^ kususelwa ku-$

I-Alloy Steel ASTM A182 F5 FELD-COME FLANES ihlinzekwa ukusiza izimboni zezimboni, izinsizakalo eziphezulu ezinjengezingcindezi ze-FROCESERS, njll. Flanges FURCES, FLACE Lawa ma-flanges asetshenziswa kabanzi embonini yezizukulwane zamandla, imboni yezokwakha igesi, imboni yezemithi, imboni yokushintshana kokushisa, imboni yamanzi olwandle, izinkampani zokumba uwoyela nokunye okuningi.

I-ASME B16.5 I-Alloy Steel Flange the High Alloy noma i-Alloy Alloy

$\ 5 ^ kususelwa ku-$

I-Gold Steel P91 ka-A335 EFW Pip iyindlela ye-auntenitic ye-auntenitic yayo yokuqina nokuqina kwamandla kungathuthukiswa ngokusebenza kubanda. Lawa mapayipi asetshenziswa kabanzi emafutheni nakugesi, izitshalo zamandla, ukudala umkhumbi, ezobunjiniyela ezisindayo kanye nezinye izimboni. Yonke imikhiqizo ihlangana noma idlula amazinga emboni ye-API, ASTM, ASME, ANSI namanye amazinga kazwelonke nawamazwe aphesheya.

Ukuthenga online

$\ 5 ^ kususelwa ku-$

I-A335 P22 P22 P22 i-Chromium Pipe iqukethe i-chromium ekwakhekeni kwayo ukuhlinzeka ngokumelana okuphezulu kokugqwala. Kunezinye izinto ekwakhiweni kwezinto ezibonakalayo zepayipi lensimbi ye-P22. I-Molybdenum isengezo esivamile kuwo wonke amabanga angu-A335. UManganese, phosphorus, i-silicon nekhabhoni kungezwe ngokusho kwamabanga ahlukene.

Ht Pipe Bend ASTM B366 WP20CB N08020 S 2 SCH10S 90 degree SR ASME B16.9 Heat No. 87027

$\ 5 ^ kususelwa ku-$

Ama-alloy aphansi aqukethe amanani wokulandela ama-agents abloy agents agening, i-nitrogen, i-vagadium, i-nickel, i-chromium, i-titanium, i-calcium, izinto zomhlaba ezingavamile noma i-zirtonium.

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).

$\ 5 ^ kususelwa ku-$

Izicelo ze-Alloy Steel A335 P5 EFW tubing zingabonakala kuma-petrochemical, oyela kanye negesi yezimboni, izitshalo zamandla kanye nokunye ukucindezela okuphezulu kanye nezinsizakalo eziphakeme zokushisa.

I-A182 F5 F1 F11 F12 F51 F51 Alloy wn flange ukuxhuma amapayipi ezinhlelweni zamapayipi

$\ 5 ^ kususelwa ku-$

Uhla olubanzi lwama-flanges lunikezwa njenge-ASTM A182 F9 F9 Slip Flange, i-Alloy Steel F9 F9 FTAnge, i-A182 F9 Threaded Flanges ye-Allotropy I-Allotropy Izinhlaka zezinhlaka ezimbili.

Amapuleti ensimbi engagqwali namashidi namakhoyili

HT B366WPC N04400-S 1.25” X 0.5” SCH40S 99061 TEE

Amapayipi ethu ensimbi ye-alloy namashubhu ahlanganiswe futhi alethwe ngokufakwa okubonakalayo ezimweni zokhuni, amabhokisi wePlywood, amabhokisi, ama-pallets ukuze aqinisekise ukuthi akukho monakalo kunoma yimuphi umkhiqizo lapho uthunyelwa. Ngokwengeziwe, sinikeza izinketho zokufaka ngokwezifiso ukuze amakhasimende ahlele ngokuya ngokufaneleka kwawo.

Inqubo Yokukhiqiza I-Rolling \ Umsebenzi oshisayo, ukugoqa okubandayo

$\ 5 ^ kususelwa ku-$

I-Alloy 20 (Alloy 20) iyinhlangano ye-autenquitic esekwe ngensimbi eyenzelwe ukumelana nokugqwala kwe-sulfuric acid. Inokumelana okuhle kakhulu kwe-sulfuric acid corrision; Inokumelana okuqinile kwe-phosphoric acid, i-nitric acid kanye ne-chloride ezindaweni, ukugqwala okucindezela kwe-chloride, ukugqwala okukhonkotha kanye nokugqwala kwe-crack. Ngakho-ke, Alloy 20 unegama le-anti-corriosion alloy; Inezinhlobonhlobo zezicelo: njenge: Chemical, ukudla, umuthi, ukukhiqizwa kwamandla kanye nezimboni zepulasitiki kuzoyisebenzisa. Ukuze ukumelana nokugqwala okukhonkotha kanye nokugqwala kwe-chloride, izinkinga zokugqwayiza kwengcindezelo, njll., Alloy 20 kuvame ukusetshenziswa.

HT B366 WPC N04400-S 1.25 "x 0.5" SCH40S 99061 I-Thront Tee

$\ 5 ^ kususelwa ku-$

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.

Amagama Wokuhweba Ejwayelekile: I-Nickel Alloy 36, I-INTR 36®, NILO 6®, Pernifer 6®

$\ 5 ^ kususelwa ku-$

Ngemuva kokusebenza okushisayo, ukuthethelelwa kufanele kuphonswe ekushiseni okungezansi kwe-1000¡ãf (538¡Ãc) ngaphambi kokushisa ukushisa ngokuya nge-ASTM A182. Ama-alloy ensimbi aphansi kanye ne-ferrititic kanye ne-martititic steritic acrenless acreinles kuzoba kuphathwe ngokushisa ngokuya nge-ASTM A182.

\ 5 ^ kususelwa ku-

IMyanmar (isiBurmese)