Nickel Alloy Stub Kawg Stainless Hlau Ntoo Joint Stub xaus

Al6XN yog superaustenitic steel hlau nrog kev ua tau zoo rau chloride pitting, crevice corrosion thiab kev nyuaj siab corrosion tawg. Al6XN yog 6 Moly alloy uas tau tsim rau thiab siv hauv kev sib cav sib ceg siab. Nws muaj cov npib tsib xee (24%), Molybdenum (6.3%), nitriumen thiab chromium cov ntsiab lus tawg, thiab tshwj xeeb corrosion tiv thaiv. Al6XN yog feem ntau siv rau nws cov kev txhim kho pitting thiab crevice corrosion tsis kam hauv chlorides. Nws yog ib qho tsim nyog thiab weldable stainless hlau.

Steel flanges muab cov yooj yim rau kev ntxuav, kuaj lossis hloov kho. Lawv feem ntau tuaj hauv cov duab sib piv tab sis lawv tuaj yeem tuaj hauv cov ntawv square thiab duab plaub. Cov flanges tau koom nrog txhua lwm yam los ntawm kev sib koom tes los ntawm cov kav dej los ntawm vuam lossis xov thiab tsim rau cov kev ntsuas tshwj xeeb; 150LB, 300LB, 400LB, 600LB, 900lB, 1500lb thiab 2500lb.

Lub siab chromium cov ntsiab lus muab cov txiaj ntsig zoo rau oxidizing media thaum lub molybdenum thiab tungsten cov ntsiab lus muab zoo tsis kam txo cov xov xwm.

ASTM A312 TP316 yog tus qauv txheem rau kev sib khi, ncaj-leeg welded, thiab hnyav txias welded ustenitic kav hlau stainless hlau thiab kev corrosive service. Lub 316 seamless muaj steel yeeb nkab yog tsim los ntawm kev sib xyaw ntawm cov chromium, npib tsib, thiab molybdenum ua rau corrosion thiab xeb thiab xeb thiab xeb thiab xeb.

A789 unc unic s31803 thiab unspes ob qib ntawm ob chav stainless hlau uas tau siv dav hauv ntau cov ntawv thov. Cov txiv neej duplex s31803 Seamless kav yog paub rau lawv cov txiv neej ua hauj lwm zoo, muaj lub zog siab, thiab weldability thiab zoo weldability. A789 yog ib qho tshwj xeeb uas tau them seamless thiab welded tub ua los ntawm duplex steel stainless hlau.

Nickel 200 flanges lub npib tsib xee 200 flanges yog ruaj, tshuav ruaj khov, thiab muaj kev ua tiav zoo. Ntxiv mus, cov ASTM B564 tsis pom N02200 dig muag flanges tiv taus ib puag ncig hauv nruab nrab thiab oxidizing ib puag ncig, ua rau lawv zoo meej rau kev siv hauv cov khoom siv khoom noj khoom haus.

Semi-tiav cov ntaub ntawv raw ntawm inconel 625 forged Luj Tshib rau feem ntau pom zoo ntawm cov khoom no

It was developed for enhanced creep resistance and for higher strength at temperatures above 1000¡ãF (537¡ãC).

Nickel alloy 400 thiab Monel 400, tseem hu ua UN tsis zoo li N04400, yog ib qho laj thawj ntawm cov menyuam yaus uas muaj feem ntau ntawm ob feem peb ntawm ob feem ntawm ob-tus tooj liab. Nickel Alloy 400 yog paub txog nws txoj kev tiv thaiv rau ntau yam ntawm cov kab mob ntawm cov xeb, suav nrog cov alkalis (lossis cov kua qaub), dej hli, thiab sulfuric acid. Txij li thaum Monel 400 lossis Alloy 400 yog cov hlau txias ua haujlwm, cov alloy muaj siab tawv, txhav thiab muaj zog. Los ntawm kev ua haujlwm txias ASTM B14400 Bar Tshuag, cov alloy yog raug rau cov kev ntxhov siab ntau dua, uas nyob rau hauv Alloy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Microy Micro ..

Hastelloy C2000 muaj nyob rau ntau qhov ntau thiab tsawg, hom no-lickel-molybdenum alloy muaj zog thiab corrosion tsis kam.

Ob lub microstructure thiab tshuaj lom neeg muaj pes tsawg ntawm ASME SAME SA 42760 Bar ua rau nws ua tau zoo alloy. Vim nws txoj kev tsim qauv yog superalloy, feem ntau cov tuam ntxhab paub txog cov khoom muaj txiaj ntsig zoo heev ntawm F55 tsis yog 32760 hex bar.

ASTM A240 Hom 2205 Phaj yog lub Duplex phaj yog siv ntau yam kev lag luam xws li kev ua yeeb yam, roj thiab roj kev tshawb nrhiav, thiab marine engineering. Sa 240 gr 2205 daim ntawv yog tsim los ntawm qib 220) stainless hlau, uas yog kev sib xyaw ntawm ferritic thiab ustenitic steel.

Cov npe lag luam kev lag luam suav nrog alloy 400, tsis yog N04400, Monel Alloy. Monel? Puas yog ib tug sau npe Tradename ntawm cov hlau tshwj xeeb CORTAL.

Inconel 625 Luj tshib kuj tau pom nws txoj kev mus rau hauv lub dav hlau kev lag luam, tshwj xeeb rau cov khoom tso pa, cov roj ua kom sov, thiab cov pob zeb hluav taws xob.
ASTM B407 UNRICS N08800 INCOLOY 800 Welded Yeeb Nkab

Nws yog dav siv nyob rau hauv cov roj pov thiab roj kev tshawb nrhiav \ / ntau lawm thiab hauv kev hloov cua sov hauv petrochemical \ / tshuaj lom neeg.

Alloy 800 Weld Neck Flanges Peb muaj lub koob npe nrov hauv kev lag luam rau kev tsim cov hom kev ua haujlwm zoo uas yuav haum rau peb cov neeg siv khoom. Peb tsim khoom tsim prololoy 800 flanges uas muaj kev ntseeg siab thiab siab dua. Peb siv cov peev txheej hwm thiab qib siab tshaj tawm rau kev tsim ASTM B564 UNFANCES 800 flanges.

316L 1.4401 tus yeeb nkab stainless hlau yog ib qho kev xaiv yeeb nkab zoo heev thiab cov yeeb nkab ruaj khov siv hauv ntau cov ntawv siv. Qhov no ss s31603 yeeb nkab yog tsim los ntawm cov hlau zoo 316L stainless ua rau corrosion, oxidation thiab staining rau cov chaw hnyav lossis kev siv ntxhov siab.

Inconel Alloy 625 yog tsim raws li tsis yog N06625, tus lej WerkSto 2.4856 thiab Iso Nace MR-01- 75.

ASTM A182 F51 Flange yog ua los ntawm cov khoom siv duplex steel. Cov khoom siv muaj ob qho tib si ferritic thiab Austenitic zoo hauv Metallurgic Microstructure. Lub zog tensile ntawm cov khoom yog 620mpa thiab qhov tsawg kawg nkaus tau los lub zog yog 450mpa.

Nilo Alloy 36, W.NR 1.3912, Tiv Thaiv 36% Nickel-Npib thiab muaj tus nqi ntawm kev nthuav dav ntawm cov hlau.

SCH40 monel 400 yeeb nkab raug xaiv raws li Werkstoff tus lej 2.4360 thiab tsis yog N04400. Alloy 400 cov kav hlau tseem hu ua monel aleloy 400 Yeeb Nkab, Monel 400 Yeeb & Nickel Alloy 400 Yeeb Nkab.

Caw 36 ® yog npib npib npib tsib xee, tsis muaj nyiaj npib ob leeg uas muaj 36%, commar 36 muaj qhov kub tsawg los ntawm kev nthuav dav ntawm + 500 ° F (260 ° C).

Stainless Hlau Flanges
Myanmar (Burmese)
SMO 254 Cov kav dej tuaj yeem tiv taus cov kev ntxhov siab ntawm cov neeg muaj kev ntxhov siab thiab alloy 254 smo yeeb nkab siab ua haujlwm nyob rau hauv cov kub thiab xeb ib puag ncig.
Stainless hlau tuav & Rods

Nickel Alloy Fasteners
Qhov no muab kev txhim kho zoo heev rau cov sulfuric acid. Nws kuj tseem muaj cov ntsiab lus chromium siab, kom ua kom zoo dua rau oxidizing tshuaj lom neeg cov tshuaj lom kabmob uas muaj kuab lom thiab yaj oxygen.

Cu ni alloy haum yeeb nkab asme sb 466 USN C70600 Recucer - Zhengzhou Huitong Pipeline Equipment Co., Ltd.

Cov alloys no tau siv dav hauv kev ua tshuaj, tswj kev qias tuaj, evaporator, kev lag luam nuclear, marine kev lag luam, thiab lwm yam.

Incoloy 800H Flange Peb muaj lub koob npe nrov hauv kev lag luam rau kev tsim cov hom kev ua haujlwm zoo ntawm cov hom uas yuav tsum tau ua rau peb cov neeg siv khoom. Peb tsim khoom tsim prololoy 800 flanges uas muaj kev ntseeg siab thiab siab dua. Peb siv cov peev txheej hwm thiab qib siab tshaj tawm rau kev tsim ASTM B564 UNFANCES 800 flanges.

Hastelloy C276 Cov laug cam tuaj yeem muab tso rau yooj yim siv siv cov txheej txheem tsoos ib txwm muaj. Feem ntau, 2.4819 Hastelloy C276 Chev tsis tas yuav muab tso rau Weld Weld kev kho cua sov. Kev txhuam hniav ntawm cov laug cam nrog cov hlau stainless hlau tom qab kev ua haujlwm vuam feem ntau yog cov xim kub thiab ib yam li cov chaw thaj chaw uas tsis tas yuav muaj kev xaiv ntxiv.

S32750 S32760 SUPLLEX Stuple Stainless Hlau Pipes Nrog Cov Pitting Zoo Tshaj

Siab chromium, molybdenum thiab nitrogen cov ntsiab lus cuam tshuam nrog pitting tsis zoo rau cov medtenatent thiab corrosive corrosive conduction, thiab tseem ceeb pitting txias rau tag nrho cov xov xwm, thiab tseem ceeb pitting txias rau saum 50¡Ãc.

Nws muaj peev xwm tiv thaiv ntau yam ntawm oxidizing thiab tsis-oxidizing tshuaj, thiab cov khoom ua kom pom tseeb zoo rau pitting thiab crevice nres nyob rau hauv muaj cov chlorides thiab lwm yam.

ASME B36.19M yog tus qauv kev qhia tshwj xeeb rau cov kav hlau stainless hlau, uas qhia txog kev ua siab ntev, thiab tsim khoom rau cov kav dej thiab cov txiv ntseej.

304 Stainless hlau yog qhov feem ntau cov hlau tsis muaj. Cov hlau muaj ob txoj kev chromium (nruab nrab ntawm 18% thiab 20%) thiab thib pua (nruab nrab ntawm 8%) [1] cov hlau uas yog cov qauv hlau tseem ceeb. Nws yog Austenitic stainless hlau.When nws los txog siv, SS304 tuaj yeem pom hauv chav ua noj hauv chav dej thiab lwm yam khoom siv xws li toaster thiab microwave ncu. SS304 kuj yog siv los ua kom cov hlab ntsha siab, lub log npog zoo li rau kev ua lub tsev kws ua liaj ua teb.

Cupro Nickel fittings muaj zoo corrosion tsis kam thiab ua haujlwm zoo hauv cov chaw ua haujlwm marine. Raws li qhov tshwm sim, cov neeg rho tawm tau ua kom zoo nkauj pitting thiab crevice corrosion tsis kam. Cuni cov yeeb nkab fittings muaj ib tug qauv crystalline nrog kev ntxhov siab qis sab hauv. Cov khoom siv no muaj cov khoom siv kho tau zoo thiab lub cev. Nyob rau tib lub sijhawm, Cu-Ni Piping Systems yog qhov zoo tagnrho rau txhua lub hauv dej hiav txwv dej hiav txwv. Lawv muab cov kev ua kom zoo tshaj plaws, corrosion-resistant thiab kev lag luam daws rau kev cuam tshuam nrog ntev-dog-dogy thiab biofouling nyob rau hauv cov tshuab.

Cov kav dej ntawm seamless configurations tau muaj peev xwm ntau dua cov muaj peev xwm thiab lub zog tshaj lwm qib.

Featuring 304 Stainless Hlau Rau Heev Zoo Corrosion, Qhov kev pom zoo Weld Neck Flange tuaj yeem txuas nrog lub kaw lus weld ntawm lub caj dab. Welded thaj chaw tuaj yeem raug tshuaj xyuas yooj yim los ntawm radiography. Matched yeeb nkab thiab Flange Bore txo cov cua hlob thiab kev yaig hauv raj dej. Flange yog zoo heev rau siv nyob rau hauv koj daim ntawv thov tseem ceeb thiab yog qhov zoo rau siv nrog huab cua, dej, roj, nkev, thiab chav dej.

Inconel 718 Laib tau siv nyob rau hauv gasburbine cav qhov chaw, WellHead ua tiav thiab cov neeg tiv thaiv kev tiv thaiv (bops).

Tsau-nthuav dav iav-encapsulated girapsulated alloys, muaj ib qho kev nthuav dav thermal, muaj ib lub khob hluav taws xob nthuav dav zoo ib yam li qhov ntsuas kub

ASME B16.48 Hastelloy Alloy C2000 Tiaj Tus Flanges Stockoles Alloy C2000 Lap Sib Tw Pleev

Tooj liab-npib tsib xee (Cu-Ni) Piping tshuab uas txuas tooj liab, tooj liab-nickel flanges, thiab li qub uas cov txheej txheem dej hiav txwv.

Alloy 800 yog npib npib tsib xee-chromium alloy nrog siab zog thiab kev tiv thaiv zoo rau oxidation thiab corrosion ntawm qhov kub. ASTM B407 UNICS NC08800 INCOLOY 800 W. NR. 1.4876 Welded yeeb nkab yog dav siv rau kev tsim kho cov khoom siv uas yuav tsum tau ua rau corrosion tsis kam, lub zog, thiab ruaj khov rau kev pabcuam txog 1500 ° F (816 ° C).

Invar 36 Nilo Alloy 36 W.nr 1.3912 tsis yog K93600 ASTM F1684

Ib lub pob tw weld yeeb nkab haum yog tsim kom muaj welded rau ntawm nws cov (s) kom txuas cov yeeb nkab sib txuas ua ke thiab tso cai rau kev hloov pauv lossis lub hlab lossis xaus.

Lub 316 cov yeeb nkab stainless hlau tau dhau los ua cov khoom siv tsis tau rau cov kev lag luam lag luam. Qhov no alloy ntawm hlau thiab chrome tau lees paub rau nws lub siab tiv taus corrosion, nrog rau nws cov kav ntev. 316 Stainless hlau Tubing tuaj yeem tsim nyob rau hauv ob leeg seamless thiab welded leeg kom tau raws li cov neeg siv khoom xav tau.

Npib tsib xee raws 800 incoloy hexagonal yeeb nkab yog paub kom muaj qhov zoo tiv taus corrosion. Tshwj xeeb hais txog kev hais lus, tus incoloy 800 yeeb nkab muaj txaus tiv taus ob carburization zoo li oxidation corrosion.
Hlau Ntsiav
Belarusian
Rab phom
Ukrainian
www.hpipe.es
Nilo \ / alloy k w.nr.: 1.3981
Alloy N07718 Bolt Alloy 718 Ib Nrab Xov Hex Bolt
DupleX Steel Flanges
Rau mating sealing nrog cov iav nyuaj
Cov kav dej hlau stainless hlau thiab cov leeg ntawm S31254 z1 CNN CNNE 20.18.06ZAZ
Incoloy 800h yeeb nkab nrog lub siab temp anneal

Nickel-Tooj-based alloy 400 monel 2.4360 txias kos cov kab mob kev ntxhov siab thaum raug rau corrosive cracking thaum raug rau cov media corrosive nyob rau hauv ib puag ncig ib puag ncig. Monel 400 yog tooj liab thiab nickel raws li alloy uas nrov niaj hnub no vim nws qhov kev ua tau zoo. Lub alloy muaj kua qaub zoo heev thiab alkali tsis kam. Tsis tas li ntawd, nws muaj cov zog tensile muaj zog, ductility, zoo heev thermal condactivity, thiab tuaj yeem yog tawv los ntawm kev ua haujlwm txias. Ib qho ntxiv, nws tuaj yeem siv rau hauv cov ntawv thov nrog qhov kub thiab txias txij li rho tawm txog 538 degrees Celsius.
Hlau Ntsiav
Belarusian
Rab phom
Ukrainian
www.hpipe.es
Nilo \ / alloy k w.nr.: 1.3981
Alloy N07718 Bolt Alloy 718 Ib Nrab Xov Hex Bolt
DupleX Steel Flanges
Rau mating sealing nrog cov iav nyuaj
Cov kav dej hlau stainless hlau thiab cov leeg ntawm S31254 z1 CNN CNNE 20.18.06ZAZ
Monel 400 YEEB RAU COV FRESE rau EYEARLASSES

304 Piping spools yog tsim los ntawm 304 stainless hlau, ib qho khoom siv nrov thiab nrov tshaj plaws hauv ntau cov ntawv thov uas xav tau kev tiv thaiv kom xeb thiab oxidation. Cov kev tshaj lij no yog preooss siv cov machinery thiab cov txheej txheem tshwj xeeb, uas paub meej tias lawv muaj tseeb thiab ntseeg tau.
Hlau Ntsiav
Belarusian
Rab phom
Ukrainian
www.hpipe.es
Nilo \ / alloy k w.nr.: 1.3981
Alloy N07718 Bolt Alloy 718 Ib Nrab Xov Hex Bolt
DupleX Steel Flanges
Rau mating sealing nrog cov iav nyuaj
Cov kav dej hlau stainless hlau thiab cov leeg ntawm S31254 z1 CNN CNNE 20.18.06ZAZ
Inconel 600 Yeeb Nkab Antioxidant

Inconel 600 puag ncig bar yog npib tsib xee-raws li benign carburization thiab zoo heev corrosion thiab kub heev. Inconel 600 cov khoom sib txuas ua haujlwm tiv thaiv kom qhuav cl2 thiab ntau lwm cov roj sib txawv ntawm cov mob me thiab kub. Alloy 600 Bar yog npib tsib xee-chromium alloy nrog zoo oxoidation decomposition decomposition decomposition thiab acid oxidation ntawm ntug dej kub.

Lub sijhawm teem sijhawm ntawm cov fittings ntau ntawm 5s rau xxs.fittings tshaj li ntawm cov khoom cua kub kom haum rau kev sib sau, ib txwm ua, lossis qhov tsis txaus siab thiab ua kom tiav. Thiab cov fittings inlcudes luj, tee, reducers, cov pa roj carbon yuav les 0.26%. Nps12 nyob rau hauv tsis tas yuav tsum tau kho tshav kub nyob rau hauv cov txheej txheem no.

Alloy 200 Flange lub Nickel 200 flanges yog ruaj, tshuav ruaj khov, thiab muaj qhov ua tiav zoo. Ntxiv mus, cov ASTM B564 tsis pom N02200 dig muag flanges tiv taus ib puag ncig hauv nruab nrab thiab oxidizing ib puag ncig, ua rau lawv zoo meej rau kev siv hauv cov khoom siv khoom noj khoom haus.

304 Stainless Hlau Ntawv yog qhov kev xaiv zoo rau kev siv cov hlau uas siv hluav taws xob xws li chav ua noj thiab cov khoom siv cua sov, cov hlab cua sov thiab lwm yam kev siv hluav taws xob nrog ib puag ncig dej tshiab. Peb muab ntau qhov ntau thiab tsawg ntawm ci anisaled AISI 304 daim ntawv.

C-276 Alloy ib txwm muaj kev daws teeb meem kub-kho thaum muaj 2050¡Ãf (1121¡ÃC) thiab nrawm nrawm. Yog tias ua tau, qhov uas tau ua rau kub-tsim yuav tsum tau daws kev kho mob kub ua ntej fabrication ua zaum kawg lossis kev teeb tsa.

Peb yog cov chaw tsim khoom lag luam, cov neeg ua lag luam, chaw muag khoom, thiab cov neeg siv roj ntsha ua ke, ua ke nrog cov khoom siv tsawg dua ntawm kev tswj hwm ntawm cov kua qaub ntau dua.

Inconel 600 Seamless Tubes ntawm cov qauv tsis ua N06600 thiab ASTM B167 yog cov uas tsim kom muaj kev tiv thaiv ntau dhau kev tiv thaiv dhau los.

Qhov kev haum no ces ua ib feem ntawm cov kab ke rau kev thauj cov dej (roj, roj, kua, yam ntxwv zoo, dhau los ntawm kev ncua ntev lossis ntev dua.

Txhawm rau kom xa cov raj xa dej, nws yog ib qho tsim nyog los tshem cov hose ncaj hauv cov raj xa dej. Thaum siv ntau lub raj xa dej, ntau yam kav dej yuav tsum tau siv. Thaum twg cov raj xa dej siv, lub luj tshib yuav tsum tau siv los hloov qhov loj ntawm cov raj xa dej. Thaum bifurcating, peb-txoj kev xaim cov flange kev sib txuas siv thaum lub raj xa hluav taws xob thiab kev sib txuas txias thiab kev sib tw txias thiab kev sib koom ua ke txias. , Hauv kev sib txuas ntawm ntau cov twj paj nruag, kuj tseem muaj cov txuas txuas thiab ntsaws ntawm cov twj paj nruag theem.

Nws ua rau pom zoo tsis kam mus rau nruab nrab thiab txo qhov chaw. Cov alloy no tsim ib zaj yeeb yaj kiab oxide, kev tiv thaiv zaj duab xis uas tsis tawm mus, tab sis nws khaws cov oxidation superi-sauv tsis kub.

Vim yog cov alloy txoj kev zoo corrosion, inconel 718 hex lub taub hau tau siv hauv cov khoom noj khoom haus, thiab dav corrosion resistant seem thiab cov qauv.

Ib lub flange tuaj yeem ua ib lub phaj rau npog lossis kaw qhov kawg ntawm cov yeeb nkab. Qhov no yog hu ua tus dig muag flange. Yog li, flanges tau txiav txim siab yog nyob rau sab hauv cov khoom uas tau siv los txhawb lwm lub tshuab tshuab.

Nickel alloys yog qee cov ntaub ntawv muaj txiaj ntsig zoo tshaj plaws rau kev tsim cov lag luam uas zoo tshaj thiab cov leeg rau kev siv cov ntawv thov kev lag luam. Lawv txoj kev thov ua kom lawv muaj peev xwm siv tau ntau yam kev siv. Nickel alloys yog qhov tshwj xeeb corrosion tiv taus thiab tuaj yeem siv rau hauv qhov chaw kub.
Inconel 625 coil yog cov yam ntxwv zoo los ntawm nws cov kev tiv thaiv zoo rau oxidation, qhov siab-kub corrosion thiab qaug zog. ASTM B443 tsis yog N06625 Inconel P phaj tau siv dav hauv Aerospace, kev ua lag luam thiab roj thiab muaj zog zoo dua qub txawm tias muaj ib puag ncig zoo.
Cupro Nickel fittings muaj zoo corrosion tsis kam thiab ua haujlwm zoo hauv cov chaw ua haujlwm marine. Raws li qhov tshwm sim, cov neeg rho tawm tau ua kom zoo nkauj pitting thiab crevice corrosion tsis kam. Cuni cov yeeb nkab fittings muaj ib tug qauv crystalline nrog kev ntxhov siab qis sab hauv. Cov khoom siv no muaj cov khoom siv kho tau zoo thiab lub cev. Nyob rau tib lub sijhawm, Cu-Ni Piping Systems yog qhov zoo tagnrho rau txhua lub hauv dej hiav txwv dej hiav txwv. Lawv muab cov kev ua kom zoo tshaj plaws, corrosion-resistant thiab kev lag luam daws rau kev cuam tshuam nrog ntev-dog-dogy thiab biofouling nyob rau hauv cov tshuab.

ASTM ASME SB 164 Monel 400 Hloov Bar Unic N04400 Nickel Alloy Bar

Chrome alloy steel flanges yog tsim tau raws li ANTM A182 F11 \ /9 Cov flanges no nyuaj dua thiab muaj zog dua li cov hlau tsis tu ncua, tab sis tsis yog corrosion resistant raws li stainless hlau.