304l stainless hlau phaj specification

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

Cov kev txuas ntxiv no ¨C annealing rauv hauv Alloy Steel ib pawg F12 Alloy Steel F12 Flanges muaj cov ntawv thov xws li petrochemical xws li petrochemical, roj thiab cov ntawv thiab cov ntaub ntawv, hluav taws xob tiam, textiles thiab lwm tus.

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.

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.

Qhov kev sib xyaw ntawm plaub feem ntau tshaj plaws hauv Inconel 625 tseem muab cov kev cuam tshuam loj heev thiab kev kub ntxhov ntau xws li cov tshuaj lom oxidation thiab carburization nyhuv.

Inconel 625 Locknuts yog paub rau lawv qhov ntev ua kom pom tseeb thiab meej. Inconel 625 nylon txiv ntoo yog npib tsib xee-based superalloy nrog siab zog cov khoom thiab kub tsis kam.

A-694 qib, F42 rau F70 (rau cov ntawv thov siab). Vim yog lub zog zoo dua ntawm cov khoom siv no, koj yuav pom cov khoom siv muaj ntau yam dav siv hauv cov kev pab cuam. Alloy Steel Fwmings muaj cov ntsiab lus chromium ntau dua li cov qauv steel tshuaj cuav thiab yog tsim rau qhov kub (ntau dua 1, Lawv kuj muaj cov corrosion ntau dua li cov qauv siv hlau tsis lees paub vim lawv cov ntsiab lus chromium ntau dua.

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).

Lub unr unic s31803 (ASTM F51) Cov lus qhia tshwj xeeb tau ua rau muaj ntau dua Superseded los ntawm Unvent S32205 (1.4462, ASTM F60). Qhov no qhia txog lawv txoj kev xav kom ua kom tiav ntawm cov khoom siv alloy, ua tsaug rau kev txhim kho AOD cov txheej txheem ntawm kev tswj hwm. Ib qho ntxiv, nws tso cai rau cuam tshuam rau cov nitrogen ntxiv qib ntxiv dua li yog tam sim no yog nyob tom qab keeb kwm. Yog li ntawd, qhov siab tshaj plaws ua tiav cov qib hloov kho kom ua kom ntau cov ntsiab lus ntawm chromium (CR), Molybdenum (mo) thiab nitrogen (n).

2b, 2d, Mat, Matt, Matt, Matt pvc, No.5, SB, Text, Text, Cov Roj Puag ntub polished, ob sab polished.

Hastelloy C-276 yog ib qho zoo heev rau peb vim nws txoj kev mob siab tiv thaiv ntau qhov chaw ib puag ncig. HT cov yeeb nkab npaj cov khoom loj ntawm Hastelloy C726 Bolts thiab Fasteners. Hastelloy C-276 Ntses-Molybdenum-Molybdenum-Chromium Forged Alloy, Ntseg Hastelloy C. Peb Tshuag Hastelloy C-Alloy C. Peb cov ntsia hlau

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.

Tsis suav txog N08367 tseem hu ua Alloy Al6XN yog cov carbon ntau, siab purity, nitrogen-batoy nrog zoo heev rau chloride pitting thiab compevice corrosion.
Nickel Alloy Daim Hlau & Cov Ntawv Qhia & Coils

Los ntawm txoj kev - Tsheb ciav hlau thauj khoom, tag nrho cov thawv ntim khoom noj \ / 50 fwj lub thawv) \ / 25

PVC TXHEEJ TXHEEM \ / LASER, Zaj duab xis: 100 Micrometer, Xim: Dub \.
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.
Kub dov (hr) \ / txias dov (c)

Nws yog qhov dav dav hauv kev ntsuas hnyav welded Cheebtsam (dhau li ntawm 6 hli). Muaj feem ntau tsis muaj tus nqi pheej sib txawv ntawm 316 thiab 316L stainless hlau.

Txheem ATM A193 B7 Fasteners feem ntau muaj cov hlau liab qab ua tiav. Txawm li cas los xij, Astm A193 Qib B7 cov lus qhia tau galvanized, Xylan coated, Xyllon coated yog tias thov los ntawm tus yuav. Cov txheej ast ttm A193 B7 Fasteners tuaj yeem pab txhim kho cov xeb tsis kam ntawm lub fasteners. Qhov no ASTM A193 Qib B7m ntsia liaj lo hlua yog feem ntau siv los ua kom nrawm dua cov ntaub ntawv pabcuam kub. Cov bolts no yog cov kua quenched los ntawm 50¡uf rau 900,¡ÃF thiab lawv tuaj yeem yog cov huab cua quenched los ntawm -40¡Ãf rau 900f.

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.

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.

Yeeb Nkab Spools Fabrication
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.

Inconel 718 Flanges tau zoo tsis kam mus rau oxidation thiab corrosion thiab corrosion ntawm cov thoob plaws hauv lub cav huab cua thiab roj av ua haujlwm.

202 \ / 304 \\ / 304H \ / 309s \ / 316l \ / 321h \ / 3217 \ / 34 xyoo \ / 34l \ / 347h \ / 904l thiab lwm yam.

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.

Rau cov ntawv sau zeb hauv av uas xav tau cov qib qis dua uas tsis muaj cov xeb txaus tiv thaiv. Raws li 22% chromium cov ntsiab lus, lawv muaj cov ustenitic: Ferritic microstructure uas muaj zog dua, corrosion tsis kam thiab nqi-ua hauj lwm zoo.

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.

Stainless Hlau Fasteners
Ntaus Seamless Yeeb Nkab
Inconel 625 yog npib tsib xee-chromium alloy nrog ib qho ntxiv ntawm molybdenum thiab niobium. Cov kev sib ntxiv no muab cov khoom siv zoo dua qub thiab kho kom zoo dua yam tsis muaj kev ua kom tawv tawv.
Stainless hlau yeeb nkab & raj

Kev nyuaj heev, txawm tias poob siab heev. Ht yeeb nkab tau raug lees paub tias yog cov chaw tsim khoom lag luam muaj txiaj ntsig, cov khoom lag luam thiab cov khoom lag luam ntawm cov dav hlau hluav taws xob ntawm 304L stainless hlau daim hlau. Cov lus qhia steel phaj yog tsim nrog ultomost precision nyob rau hauv conformity nrog cov qauv zoo thoob ntiaj teb.

S31803 yog cov qauv sau ua ke (tsis ua haujlwm) rau thawj lub duplex stainless hlau stainless. Cov txheej txheem tsis zoo tau tsim los ntawm cov pab pawg ua lag luam hauv xyoo 1970 los txo kev tsis meej pem thaum tib almoy tau hu ua ntau yam sib txawv, thiab hloov ua lwm yam. Txhua tus hlau yog sawv cev los ntawm ib tsab ntawv ua raws li tsib tus lej, qhov twg tsab ntawv sawv cev ntawm cov hlau series, i.E. s rau stainless hlau.

304l phaj steel hlau, 304L phaj, kub dov, kub yob 304L phaj 304L phaj 304L phaj 304L phaj, unsom 3040 hom 3040 hom 304L phaj 304L phaj, unst s30403 phaj

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.

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.

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.

Titanium lub ntom yog li 60% uas ntawm stainless hlau thiab nickel alloys, qhov hnyav no txuag ua rau nws xaiv qhov chaw zoo uas yog qhov tseem ceeb xws li aerospace.

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.

Stainless hlau unthreaded yeeb nkab yog qhov zoo tagnrho rau cov roj, roj, chav dej thiab dej daim ntawv thov. 304 Stainless hlau pab tiv thaiv corrosion los ntawm dej, cua sov, ntsev dej, acids, zaub mov thiab peat av. 316 Stainless hlau muaj zoo corrosion tsis kam.

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.

Tsis muaj tseeb Tsis tau. - Tsis yog S30400, tsis tau s3163, tsis yog S3163, tsis yog S3163, tsis yog S31600, tsis yog S34709, tsis yog S8904

Chaw Tsim Tshuaj Kuaj Daim Ntawv Pov Thawj Ua Daim Ntawv Pov Thawj Raws Li Per Ene 10204 3.1, 3.2 \ 3.2 \ 3.2 \ / LAB LAG LUAM DABNITTE DAB TSID los ntawm nab mainted lab. \ / Raws li Kev Koom Tes Saib Xyuas Thib Peb SGS, TNV, Llouyd, Bureau of Indian tus qauv BIS pom zoo thiab lwm yam

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.

 Ansi B16.5 super duplex stainless hlau s32750 Orifice Flange muab ntau cov kev daws teeb meem, acidic-muaj cov kev daws teeb meem. Super Duplex F53 WN Flange cov khoom pov thawj ntau dua corrosion tsis kam dua li cov qauv duplex steels.

Monel 400? yog npib tsib xee-tooj ​​liab hlau uas yog qhov nyuaj los ntawm kev ua haujlwm txias nkaus xwb. Ntau hom ntawm cov fittings yog monel stub kawg, Monel Reducer, Monel Kawg Cap Fittings, Monel Tee, thiab lwm yam.

Nws yog dov rau hauv sawb hlau tom qab kev kho mob. Feem ntau, cov tawv tawv tawv ntoo yog unpped, pluav, crimed, thiab welded los ua ib lub raj hloov mus rau hauv lub tsho square thiab tom qab ntawd txiav rau qhov yuav tsum tau ntev. Feem ntau 50 daim ib pob.

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.

Cov A234 WPB B16.9 Luj tshib yog siv hauv cov yeeb nkab uas siv. Peb raug tsim Attm A234 WPB Luj tshib los ntawm cov kav dej los ntawm kev siv "mandrel" txoj kev uas tso cai rau cov yeeb nkab kom nthuav dav thiab khoov ib txhij.

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.

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.

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 ..

Qhov twg txhais tau hais tias ib tug yuav tsum paub yog tias alloy steel flange khoom yog qhov kom zoo rau kev ua kom zoo ntawm Weld xaiv tau.

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.

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.

Incoloy 925 Flange feem ntau siv rau hauv qab-qhov chaw nyob vim tias lawv muaj kev ntxhov siab sulpide nyob rau ¡± (h25 muaj) cov roj av roj thiab roj.

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.

ASTM B443 Tsis yog N06625 Phaj Inconel 625 Kaujric Tsim
Stainless hlau yeeb nkab haum rau 316L lauj tshiav rau kev siv high-corrosion
Ansi B16.5 Alloy C2000 Txo Flanges Thoob Ntiaj Teb Thoob Ntiaj Teb
API 6A Carbon Hlau Flange Class 5000 ntawm WN A694 Flange tau ua nyob rau hauv Suav teb
C2000 hastelloy alloy tubing hastelloy C2000 Seamless Yeeb Nkab
Titanium tubing siab zog thiab qis ntom ntom
Tsim cov txheej txheem kub dov rolling \ / kub ua hauj lwm, dov
M3-M36 Inconel 625 Alloy 625 Nylon Xauv Txiv Ntses Iso7040 Uni7473
Lub thermal stability ntawm hastelloy b3 kav yog zoo dua.
Hastelloy X Nippolet Flanges Hastelloy X plam ntawm Flanges
Incoloy 800h yeeb nkab rau cov hlab ntsha siab thiab cov hloov hluav taws xob kub
304l stainless hlau phaj nto tas lawm

Qib 304L stainless hlau, cov pa roj carbon tsawg ntawm 304, tsis tas yuav tsum tau siv Weld-Weld Annealing thiab yog li muaj ntau yam hauv 6 hli). Qib 304H nrog nws cov ntsiab lus carbon ntau dua cov ntsiab lus pom ntawm cov ntawv thov kub. Tus qauv Austenitic kuj tseem muab cov no

ASME B16.5 Forged Nickel Alloy Flange SweonGel 718 Werkstoff NR. 2.4668 flange

Lub corrosion resistant Hastelloy alloys tau siv dav los ntawm kev lag luam ua lag luam. Qhov kev xav tau rau kev ua tau zoo ua rau lawv txoj kev lees paub thiab kev loj hlob hauv thaj chaw ntawm lub zog, kev noj qab haus huv thiab ib puag ncig, roj thiab cov roj thiab cov roj cuv khw desulfurization.

NACE MR0175, Ultrasoung kuaj, IGC kuaj, kev sim siab hauv lub nroog A262 kev sim siab, macro, grain loj, tawv ncauj, thiab lwm yam.

Hom stainless hom 1.4301 thiab 1.4307 tseem hu ua qib 304 thiab 304L feem. Hom 304 yog qhov ntau tshaj plaws thiab dav siv stainless hlau. Nws tseem qee zaum raug xa mus rau los ntawm nws lub npe qub 18 \ / 8 uas yog muab tau los ntawm nomall composition ntawm hom 304 yog 18% chromium thiab 8% npib tsib xee.

SAE 304 stainless hlau yog qhov feem ntau steel hlau. 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 ib tus neeg siv tshuaj hlau tsis huv. Nws tsis tshua muaj hluav taws xob thiab cuam tshuam cov khoom siv hluav taws xob ntau dua li cov hlau. Nws sib nqus, tab sis tsis sib nqus dua li hlau. Nws muaj ntau dua corrosion tsis kam ntau dua li cov hlau tsis tu ncua thiab siv dav siv vim yog qhov yooj yim nyob rau hauv ntau yam duab. [1]

Kev sib xyaw ntawm npib tsib xee thiab chromium hauv Incoloy hauv kev sib koom tes flanges renders tiv thaiv ob oxidizing thiab txo cov cua sov. Kev kub ceev hauv Incoloy 925 spacer flanges xws li sib tsoo, milling los yog tig, feem ntau yog siv cov dej ¨C raws li txias.

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.