ASTM B424 UNRICS N08825 Cov nplhaib ua haujlwm kub lub nplhaib

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.

Monel 400 (Kuj tseem hu ua alloy 400) yog qhov kev xaiv txaus nyiam rau kev lag luam uas tsis tshua muaj kev tiv thaiv yog qhov tseem ceeb tshaj plaws.

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 ..

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.

Nilo \ / alloy k w.nr.: 1.3981
Alloy Steel Flanges
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
Invar 36 Tube OD: 0.2-6mm, wt: 0.02-2mm

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.

ASTM B564 UNFENT N02200 flange Nickel 200 yog ib 99.6% Patly Nickel Alloy thiab ib qho ntawm cov hlau nyuaj tshaj plaws hauv hav zoov. Nws ua pov thawj cov khoom siv kho tau zoo thiab muaj hluav taws xob siab thiab hluav taws xob. Tsis tas li ntawd, Nickel 200¡¯е tau muaj txiaj ntsig thiab nws cov tshuaj lom neeg ua rau nws yooj yim zeem muag thiab tiv taus kev xeb ib puag ncig

ASTM A276 Cov Khoom Siv Tshwj Xeeb Tshwj Xeeb xws li tshuaj lom neeg, cov khoom siv ua neeg siv rau 309 cov kab xwm txheej sov thiab lwm yam kev sib tw ua si, cov kab mob hexagon.

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.

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.

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.

Hastelloy C2000 tub tshij yog siv nyob rau hauv ntau hom petrochemical suav nrog cov khoom siv tshuaj lom neeg, roj kev tsim khoom siv, roj ntxiv thiab cov nroj tsuag hluav taws xob.

Inconel 718 yeej tiv taus phosphoric thiab sulfuric acids raws li kev ua txhaum thiab pitting corrosion. Peb cov nyiaj tau 718 lub ntsej muag tau muaj cov khoom siv zoo hauv ob chav thiab nce qhov kub.

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.
ASTM B443 Tsis yog N06625 Phaj Inconel 625 Kaujric Tsim

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.

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.

Inconel 718 yog npib tsib xee-chromium-based alloy uas feem ntau siv nyob rau hauv cov ntawv thov kub siab xws li aerospace thiab roj turbines. Ib qho ntawm cov tseem ceeb tshaj plaws hauv kev tsim cov astm b670 inconel 718 daim ntawv yog lub phaj dov. Muaj ob hom tseem ceeb ntawm inconel 718 daim hlau muaj nyob rau ntawm kev ua lag luam: kub dov thiab cov phiaj txias. Cov paib.

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.

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]

Debido Que La Alacion 6mo US Tshaj Cauj Deb Sab Nraum, Ib Qho Kev Lom Zem Zoo Nkauj

Hastelloy B3 Yeeb Nkab thiab Tube rau kev ntxhov siab-corrosion tawg thiab rau riam-kab thiab tshav kub-cuam tshuam cheeb tsam nres

Cov kav hlau steel tuaj yeem ua kom tawg ntawm lub hauv paus ntawm nws daim ntawv thov. Cov Kev Siv Cov Kav Hlau Hlau yog nyob rau thaj chaw ntawm cov kav dej, kev lag luam raj, cov kab ua liaj ua teb, cov lag luam raj, siv tsheb thiab lwm yam kev lag luam.

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.

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.

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.

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.

Alloy thiab carbon steel khoom rau cov chaw kub tsawg yog tsim kev siv cov lus qhia kom meej 350. Cov txheej txheem melting siv los ntawm LF2 cov pa roj carbon carbon carbon Nws ua rau lub zog siab tensile lub zog, corrosion tsis kam, ductility thiab cov tshuab ua haujlwm. Tsis tas li ntawd, cov cua sov-resistant sib xyaw ua kom zoo heev oxidation tsis kam nyob rau hauv cov xwm txheej hnyav. Cov rebars yog welded los ntawm kev coj ua vuam kev txheej txheem vuam. Tsis tas li ntawd, peb cov pa roj hmab hloov Bar A350 LF2 paub txog nws txoj kev nruj, ruaj thiab tus nqi-ua hauj lwm zoo.

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.

Hastelloy b3 cov yeeb nkab yog ho tiv taus corrosion tsis kam ntawm kev txo cov cua. Hastelloy B2 kav yog muaj kev tiv thaiv zoo heev rau tsis-oxidizing acid thiab sulfuric acid.

Stainless Hlau Fasteners
Stainless hlau Flange yog hais txog ib hom flange txuas nrog lub nkoj txuas nrog lossis cov yeeb nkab los ntawm Fillet Weld. Flange rings yog muaj nrog lossis tsis muaj caj dab. Piv nrog lub caj dab ua pob hauv qab flange, lub tiaj tus vuaj flange muaj cov qauv siv yooj yim thiab cov khoom siv tsawg.

ASTM ASME SB 166 ALLOY 600 INCORMEL 600 Round Bar Unic N06600 Bar Nickel Alloy Bar

Titanium tau pom nyob rau xyoo 1791 los ntawm cov lus Askiv thiab pob zeb hauv av Williamist William Gregor. Nws xav tias nws yog qhov sib xyaw. Tom qab ntawd, nws tau muaj npe tom qab lub Titan ntawm Greek mythology los ntawm German yog tus neeg siv khoom lag luam Martin Heinrich Klapros.

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).

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

High corrosion resistant stainless hlau Astm309 Threaded qws Rig Fasteners

Prefabricated steel s coj kom zoo dua ntawm offhabrication los txhim kho kev nrawm los yog erection thiab raug kwv yees kev daws teeb meem.

Ib Flange yog ib qho kev tawm tsam, daim di ncauj lossis sab nraud, tog twg los sab nraud lossis sab hauv, uas yog cov nqaj hlau xws li ib tug t-nqaj); Rau cov ntawv yooj yim tau yooj yim \ / hloov ntawm kev sib cuag nrog lwm yam khoom (raws li flange thaum kawg ntawm cov yeeb nkab, chav dej lub tog raj kheej, lossis ntawm lub ntsej muag lub koob yees duab); Los yog rau kev ruaj khov thiab taw qhia kev txav ntawm lub tshuab lossis nws cov ntu (raws li sab hauv flange ntawm tsheb ciav hlau lossis lub log los ntawm kev khiav tawm ntawm cov ciav hlau). Lo lus "Flange" kuj yog siv rau hom cuab yeej siv los ua cov flanges.

Ib txoj kev sib koom ua ke flanged yog tsim ntawm peb cais thiab ywj siab yog tias muaj kev sib cuam tshuam; Cov flanges, lub gaskets, thiab cov bolting; Uas tau sib sau los ntawm kev cuam tshuam lwm tus cuam tshuam, fitter. Cov kev tswj tshwj xeeb yuav tsum muaj nyob rau hauv kev xaiv thiab kev xaiv ntawm tag nrho cov muaj cov ntsiab lus kom muaj kev sib koom ua ke, uas tau siv tau xau nruj.

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

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.

AISI904L lub tshuab xaws yog nyias lub nplhaib sib tw hom sib xyaw ua ke nruab nrab ntawm cov ntsia liaj qhov rooj thiab cov txiv ntseej faib cov pob zeb dawb faib. Hom 904L ntxuav muaj cov tiaj tus ntawm 904L muaj cov tiaj tiaj, sib faib hom, tab yog wasers, square bevelled, hexagon duab wsher 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.

Stainless hlau ASTM ATTM A312, TPP36L, TPR316, SP317, S3127, NO8367, NO8926, NO816, NO816, NOT8904

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.

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.
Caw 36 Lub C93600
Cov Hlau Hlau
jcopipe.com
Tiv Tauj Peb
Hlau Ntsiav
Stainless hlau yeeb nkab & raj
ASTM A106 GR.B 500 hli ASME B36.10M Seamless Yeeb Nkab Tube
Hlau tuav & RDS
Alloy Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hastelloy B3 Prepabrice Pipes nrog Flanges tiv thaiv acetic
DIN Standard Flanges SS UNS S31000 Pipe Flanges

Super Duplex Zerless Hlau Zeron 100 pab ntxhua khaub ncaws, uas yog alloy steel tsom rau kev siv nyob rau hauv hostile cua tshuab. Super Duplex Zeron 100 xauv cov tshuab ntxhua khaub ncaws muaj cov cwj pwm hauv hiav txwv dej thiab ib yam nkaus hauv cov yeeb nkab ua haujlwm ua haujlwm.
Caw 36 Lub C93600
Cov Hlau Hlau
jcopipe.com
Tiv Tauj Peb
Hlau Ntsiav
Stainless hlau yeeb nkab & raj
ASTM A106 GR.B 500 hli ASME B36.10M Seamless Yeeb Nkab Tube
Hlau tuav & RDS
Alloy Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hastelloy B3 Prepabrice Pipes nrog Flanges tiv thaiv acetic
Zhengzhou Huitong Pipeline Equipment Co., Ltd.

1.4539 phaj, oxidation tsis kam. Txawm li cas los xij, cov txheej txheem kev ruaj ntseg ntawm qib no ua rau kub hnyiab, tshwj xeeb tshaj yog tshaj li 400¡Ãc. ASTM A240 UNICS N08904 cov khoom siv tuaj yeem yog cov tshuaj thaum tshav kub kho ntawm 1090-11755555555. Kev kho cua sov yog haum rau kev ua kom tawv. 1.4539 daim ntawv yog siv hauv cov roj refining, pulp thiab cov ntawv ua lag luam, roj scrubbing nroj tsuag, thiab lwm yam.
Taub qab Weld Yeeb Nkab
Cov Hlau Hlau
jcopipe.com
Tiv Tauj Peb
Hlau Ntsiav
Stainless hlau yeeb nkab & raj
A36 Hlau Hloov Bar Nqe Astm 350 LF2 BAR hauv Fabrication
Hlau tuav & RDS
Alloy Hlau Daim Hlau & Cov Ntawv Qhia & Coils

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.

ASTM A694 F65 Spectacle Rig Bigen Daim duab 8 Spade spacer nplhaib flanger nplhaib flange Ansi 150 RF

Stainless Hlau Flanges
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.

310ss flanges kuj muaj qhov tsis zoo rau cov sulfation thiab lwm hom kev kub corrosion. Txawm hais tias feem ntau paub txog nws cov khoom kub siab, 310 stainless hlau kuj tseem muaj kev ua tau zoo ntawm cryogenic kub.

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.

Incoloy 800-800H-800HT ceev-800HT ceev-800HT txiv ntoo yog npib tsib xee-chromium alloys nrog cov chaw kub zoo heev. Kuj tseem muaj raws li tsis yog N08800 fasteners, unsing n08810, cov rooj sib txoos no yog qhov zoo tshaj plaws rau cov ethylene tsim rau cov roj \ / roj kev lag luam.

Thaum lub zog cua sov yuav tsum muaj qhov sib luag rau corrosion thiab zoo tensatile muaj peev xwm ua rau lawv cov kev xav tau yam tsis muaj kev ua kom huv si ntawm cov yuav khoom. Ntxiv mus, lub stainless hlau 304 ERW cov yeeb nkab ua cov haujlwm theej zoo./ / type

Ansi B16.5 Hastelloy C22 Weld Neck Flanges yog qib Austenic Alloy uas tau pom tias yog ntau yam hauv xwm. Chemically, lub DIN 2.4602 Tiab ntawm Flange muaj cov ntsiab lus xws li npib tsib, chromium, molybdenum & tungsten raws li thawj lub hauv paus nyob rau hauv alloy.

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.

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.

ASTM A194 Bolts muaj cov hlau xws li manganese thiab silicon, nrog rau kev sib ntxiv ntawm phosphorus, leej faj, thiab carbon. ASTM A194 Gr 2H Bolts yog qhov tsim nyog rau kev pabcuam siab lossis kub kub, lossis ob qho tib si. Txuas ntxiv machining yog ua tau los ntawm kev sib tsoo sib tsoo lossis cov duab txias.

Cov ntawv thov muaj peev xwm rau qhov Inconel 625 cov khoom siv tau siv rau submerged tswj hwm, springs cable txuas, ci ntsa, flexiture cov khoom sib xyaw. Ht yeeb nkab tswj cov khoom lag luam loj ntawm inconel 625? Flanges, nrog ntau qhov ntau thiab tsawg, cov qauv, thiab kev teeb tsa muaj kom tau raws li koj cov kev xav tau. Peb cov Flange flanges ua tau raws li qhov yuav tsum muaj ntawm ntau lub teb chaws thiab cov kev qhia thoob ntiaj teb, suav nrog, tab sis tsis txwv rau:

Peb muaj txiaj ntsig peb tus kheej hauv peb cov qauv tsim thiab kev tsim qauv ntawm steel hlau 309 hex lub taub hau bolts uas tau raws li cov kev xav tau thiab cov kev xav tau ntawm peb cov neeg siv khoom.

Qhov sib ntxiv ntawm titanium stabilizes alloy 825 tawm tsam sensitization nyob rau hauv alloy resistant rau qhov kub thiab txias nyob rau hauv ib tug uas yuav rhiab cov hlau tsis muaj stainless.