Welded 316L 316 Hloov Hloov Cov Yeeb Nkab Stainless Hlau

Stainless Hlau Fasteners
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.

Alloy Steel yog siv nyob rau hauv ib tug ntau ntawm cov ntawv thov xav tau hauv Aerospace thiab lub hwj chim (nuclear) kev lag luam. Ntxiv lwm cov ntsiab lus muab cov yas hlau ntxiv lub zog.

Stainless hlau yog ib qho alloy ntawm cov hlau uas tiv taus xeb. Nws muaj tsawg kawg yog 11% chromium thiab tej zaum yuav muaj cov ntsiab lus xws li carbon, lwm yam tsis yog lwm yam kom tau lwm yam uas xav tau. Stainless hlau qhov tsis kam rau corrosion tau los ntawm cov chromium, uas ua cov yeeb yaj kiab passive uas tuaj yeem tiv thaiv cov khoom thiab kho tus kheej nyob rau hauv lub xub ntiag ntawm oxygen.

Alloy Steel F12 Tuav ntawm Flanges yog ua los ntawm chromium molybdenum hlau alloy thiab yog li ntawd muaj lub siab rupture tsis kam. Lawv kuj tau nyiam vim lawv lub teeb hnyav vim tias ntawm cov pa roj carbon ntau thiab muaj ntau lub chaw tsis yooj yim rau kev tawm mus rau hauv cov flanges tom qab vuam.

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.
304 309s 310S 316L 316 Stainless Hlau Tube

ASME B16.5A-B ASTM B16.38 Forged 347 Nickel Alloy Flange Monel 400 Werkstoff NR. 2.4360 Flange

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.

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.

Hom 304 stainless hlau yog ib t 300 series stainless hlau Austenitic. Nws muaj tsawg kawg 18% chromium thiab 8% npib tsib xee, ua ke nrog ntau tshaj plaws ntawm 0.08% carbon. Nws txhais tau tias yog cov chromium-npib tsib xee owenitic alloys tau siv rau ntau yam khoom siv khoom noj thiab cov khoom lag luam, cov tais diav, thiab tso manifolds. 304 Stainless hlau tseem siv nyob rau hauv cov kws ua vajtse teb rau sab nrauv li xws li dej thiab hluav taws. Nws tseem yog cov khoom siv chwv ib txwm muaj rau vaporizers.

ASTM A 312 tus qauv npog seamless steel yeeb nkab thiab ncaj-seam welded steel yeeb nkab kev pabcuam thiab dav dav rau cov tsev neeg tsis muaj roj stainless hlau.

Hauv S31803, kwv yees li ib nrab ntawm cov ferrite nplej hloov mus rau hauv Austenite nplej ("Islands tuaj") raws li cov khoom txias mus rau chav sov. Qhov tshwm sim yog microstructure ntawm kwv yees li 50% austenite thiab 50% ferrite.

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

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

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.

Inconel 718 yog chromium thiab npib tsib xee raws li cov khoom siv titanium ntxiv, niobium, hlau, molybdenum thiab aluminium. Qhov no alloy muaj siab dua zog thiab kav kav rau withstress ill ib puag ncig. Inconel 718 ncig bar muaj kev tiv thaiv zoo thiab solderability. Cov kab no tau muaj ntau dua tag nrho cov corrosion tsis kam ntawm qhov kub thiab cov ntawv thov siab.

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.

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).

304 Stainless hlau yeeb nkab yog li cas los xij pheej mob rau corrosion los ntawm chloride daws teeb meem nrog cov dej qab ntsev uas muaj ntau ntawm sodium chloride (ntsev). ASTM A358 yog qhov kev xaiv Tp34 yog ib qho kev xaiv zoo rau kev siv cov hlau uas siv hluav taws xob xws li chav ua noj thiab cov hlab cua sov thiab lwm yam kev siv cov ntaub ntawv uas muaj ib puag ncig dej tshiab.

Txij li hom 316 Stainless hlau Alloy muaj Molybdenum bearings, nws muaj cov tshuaj tsis kam ntau dua li hom 304.

Lub tshuab hluav taws xob stainless hlau yog cov khoom ntawm kev xaiv rau nqa cov tshuaj corrosive lossis cov roj av, tshwj xeeb yog qhov kev ntsuas siab, siab dua ib puag ncig muaj kev koom tes. Raws li qhov tshwm sim ntawm kev ua kom zoo nkauj ntawm cov hlau stainless, cov yeeb nkab feem ntau siv hauv cov ntawv thov archectural.

Nilo \ / alloy k w.nr.: 1.3981
Ntaus Seamless Yeeb Nkab
Hauv kev sib piv rau SS316, Ob 2205 tau raug sim nyob rau hauv kev ntxhov siab nyob rau hauv chav tsev kub. Cov txiaj ntsig qhia tau tias kev ua kom qaug zog yog ib zaug li ob zaug uas yog siab dua rau Duplex 2205.
Inconel x750 Hlau Bar Moob Qws

Inconel C-276 Alloy tau tiv thaiv zoo heev rau ntau yam tshuaj lom neeg ib puag ncig (cov tshuaj organic, acetic anhydride, thiab dej hiav txwv thiab dej hiav txwv.

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 C276 Round Lub Taub Hau Bolts muab cov kev ua kom tsis kam lees cov corrosion thiab kev ntxhov siab corrosion tawg

Muaj ntau yam sib txawv ntawm 16 stainless hlau. Qee hom hom yog L, F, N, thiab H Homiants. Txhua tus sib txawv me ntsis thiab txhua tus ua haujlwm sib txawv. "L" txhais tau tias 316L steel muaj cov roj carbon tsawg dua 316.

A105 qhov muag tsis pom flange yog forged ntawm 1,700¡Ãf rau thiab 2,200¡Ãf, ua raws li los ntawm quenching thiab tempering.

ASTM A320 qib l7 yog cov khoom siv cov ntaub ntawv tshwj xeeb rau bolts, studs, neeg rau, thiab lwm lub freakeners tsim rau cov kev siv hluav taws kub kub. ASTM A320 L7 Cov qib tau muab faib ua 4 chav kawm ua tiav, A, B, C, thiab D, cov kev ntxhov siab sib txawv. Chav kawm 660 lub fasteners yog siv los kub balers, cov hlab ntsha siab, cov yeeb nkab flanges thiab li qub rau kev kub kub.

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 ..

Cov qauv sib txawv ntawm B16.5, B16.5, B16.47 thiab hauv txawv Series A thiab B. Muaj ntau hom kev tsim khoom xws li cov Asme Sa182 Qib 316ti Weld Neck Flange. Lub Weld Neck Flanges muaj txiaj ntsig vim tias lub caj dab welded mus rau cov flanges, lawv cia kom tuav tau zoo dua. Cov qauv sib txawv xws li DIN 1.4571 Flange txiav txim siab qhov loj me, txoj kab uas hla thiab phab ntsa tuab ntawm cov 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.

Qee cov ntawv thov raug rau Alloy C22 cov khoom siv tiaj tus xws li cov cuab yeej siv tshuaj thiab cov petrochemical organic cov txheej txheem thiab cov txheej txheem siv halide lossis acid catalysts. Alloy C22 cov tshuab ntxhua khaub ncaws tiv thaiv oxidation thiab txo cov dej. Alloy C22Sws Gaskets yog siv rau hauv kev ua tshuaj, expansion thiab kev siv roj nuclear, muaj khoom siv.

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.
Incoloy 800h Flange
www.hpipe.es
Welded Tube
jcopipe.com
Kovar alloy 4J25
316 Stainless Hlau Tub Yeeb
Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Alloy Steel Fasteners
Stainless hlau kav Khoom siv hlau 316
C2000 hastelloy alloy tubing hastelloy C2000 Seamless Yeeb Nkab
Tsim cov qauv ASME B36.10 ASME B36.45

Cov chromium thiab ob xickel txheem ntawm cov alloy muab cov oxidation zoo heev tiv thaiv oxidrations thiab txo leej faj, zoo mus rau carburization thiab sulfation. Lub alloy kuj tau tsim nyog tsis kam mus rau nitriving nyob rau hauv tawg ammonia, tab sis tsis ntau li inconel 600.
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.

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.

G30 alloy tuaj yeem tiv thaiv kev tsim cov nplej zom nag daus nag lossis daus ntawm cov khoom siv cua sov, yog li nws cov khoom siv welding yog tsim nyog rau ntau yam kev siv tshuaj lom neeg siv tshuaj lom neeg.

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.

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.

Why 52 Cov yeeb nkab cov yeeb nkab yog tsim los ua MSS li t tqu of of of of of of of of of such such of of of of of်း ua ntej

Ntau yam ntawm stainless hlau flanges yog tag nrho cov yeeb nkab, suav nrog weld caj dab, tshij weld, ceg tawv, thiab hub dig muag.

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.

Stainless hlau uns s31600 studs feem ntau yog siv rau welded lossis braided ntxaij vab tshaus hauv kev tsuas, dej tsis muaj dej. Ntxiv nrog rau molybdenum, ss 316 xov xov suav nrog ntau lwm yam kev siv hauv ntau cov ntawv thov. SS 316 studs ua tib yam li stainless hlau 304 tsuas yog tias nws yog qhov muaj zog me ntsis ntawm qhov kub. Stainless hlau 316Ti cov studs muaj lub zog siab dua thiab lub siab ntev tshaj li lwm cov qib ntawm cov hlau stainless. Nws yog ua los ntawm cov khoom siv raw zoo, tshaj qhov xav tau ntawm tus neeg siv, yog li ua kom tiav siab. Tsis tsuas yog tias, tab sis cov xov txuas tawm sab nraud raws qhov ntev ntev ntawm tus pas nrig. Tam sim no, tham txog qhov ntau thiab tsawg thiab ntev los ntawm 3mm txog 200 hli thiab M02 rau M33. Nws cov qauv yog Asme thiab ASTM.

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.

Cov txheej txheem quav cable WP22 seamless cov yeeb nkab fittings yog tsim nrog lub hom phiaj muab cov kav dej muaj ob qho kev xav tau ntawm cov kav dej hauv cov dej ntws hauv cov dej ntws, yog li cov kav dej ntws, thiab kav dej piping sib zog.

Hastelloy C276 tau ua kom zoo heev rau pitting, acid, crevice corrosion, thiab kuj tau txo qhov ib puag ncig. Qhov no alloy yog feem ntau dav siv nyob rau hauv ntau daim ntawv thov kev lag luam vim hais tias nws zoo heev zoo thiab nta.
Incoloy 800h Flange
www.hpipe.es
Welded Tube
jcopipe.com
Kovar alloy 4J25
316 Stainless Hlau Tub Yeeb
Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Alloy Steel Fasteners
Stainless hlau kav Khoom siv hlau 316
C2000 hastelloy alloy tubing hastelloy C2000 Seamless Yeeb Nkab
Tsim cov qauv ASME B36.10 ASME B36.50

Monel K500 Steel cov tuav yog tshwj xeeb rau cov twj centrifugal hauv kev lag luam marine. Qhov no yog vim cov khoom ntawm Monel N05500 Kub Rolled bar, namely kub tensile lub zog thiab tus nqi qis hauv siab hauv siab seaterater dej hiav txwv.

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.

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.

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).

ASTM A213, Tp304L, Tp306L, Tp316L, 316TI TP317, SP317, S31254, NO8367, NO8926, NO8367, NO867

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.

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.

Inconel x750 puag ncig bar muaj lub zog siab-rau-qhov hnyav piv, ua kom zoo dua qub thiab weldability, thiab cov qaug zog zoo heev.

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.

Cov txiaj ntsig ntawm hom 316L stainless hlau muaj cov ntsiab lus carbon tsawg uas tshem tawm cov zaub mov carbon ntau thaum lub sij hawm vuam thiab tuaj yeem siv hauv cov chaw muaj kev tiv thaiv hnyav.

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.

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]

304 S30400 1.4301 Piping Spools 304 Stainless Hlau Pre-Fabricated Ua Ntej-Fabrication

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.

ASTM A182 316TI 1.4571 600 # WN RF sib koom tes 600LB phaj Stainless Hlau Flange Nqi Npe

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.
Nilo Alloy 36, W.NR 1.3912, Tiv Thaiv 36% Nickel-Npib thiab muaj tus nqi ntawm kev nthuav dav ntawm cov hlau.
ASTM A269 TPP369, TPP36L, Tp316, TP317L, Tp317L, Tp347, No8367, No8926
S32750 S32760 SUPLLEX Stuple Stainless Hlau Pipes Nrog Cov Pitting Zoo Tshaj
Stainless hlau Flange Raw Khoom Siv tuaj yeem raug kho raws li kev kos duab