Carbon Hlau Asme B16.5 90 degrees thiab CPAS

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.

Stainless Hlau Flanges
Qhov sib txawv ntawm cov flanges xws li 254 smo plam ntawm flange muaj zoo corrosion tsis kam vim muaj pes tsawg leeg. Cov flanges tseem muaj zog dua li cov stainless hlau flanges nrog 650MPA Yam tsawg kawg nkaus tensile lub zog, 300mpa yam tsawg kawg zog thiab 35% elongation tus nqi.

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.

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.

ASTM B446 tsis yog n06625 ci ci muaj lub zog zoo thiab tawv nyob rau hauv qhov kub thiab txias xws li kub xws li 2000dÃf. Ntxiv nrog rau lub zog siab tensile lub zog, qhov no inconel 625 Ingot muaj qib siab ntawm cov muaj kev muaj formability thiab zoo dua weldability tshaj ntau yam cov neeg coob coob uas muaj ntau cov ntaub ntawv npib.

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.

Qhov luaj li cas ntawm cov no zam txim ntau los ntawm? Nb txog 250 nb thiab ntev ntawm cov kev tsis lees txais yog 2mm mus rau 40mm.

Ameslikas tau tsim los tawm tsam dej hiav txwv, Al6xN tau nthuav nws lub luag haujlwm ua qhov zoo thaum nruab nrab-corrosion resistant alloy. Al6XX ntsia hlau yog cov pa roj carbon tsawg, siab purity, nitrogen muaj "super autusenitic" stainless hlau alloy. Al 6xN xov xwm yog Super Austenic al 6 xq xov tau muaj cov ntsiab lus roj carbon, npib tsib xee thiab molybdenum. Al 6xN xov yog tiv taus chloride kev ntxhov siab corrosion.

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.

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.

Nilo Alloy 36, W.NR 1.3912, Tiv Thaiv 36% Nickel-Npib thiab muaj tus nqi ntawm kev nthuav dav ntawm cov hlau.
Loj od: 1 \ / 2 "" ~ 48 ""

ASTM A213, Tp304L, Tp306L, Tp316L, 316TI TP317, SP317, S31254, NO8367, NO8926, NO8367, NO867 Astma269TPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTPTSPTPTSP, TP317, TPP317, S31254, No8367, No8926

Hastelloy cov yeeb nkab raj b2 b3 x c22000 c276 sms welded steel yeeb nkab
Alloy 718 Fasteners (Tsis Yog N07718 Fasteners) yog qhov muaj zog heev thiab tiv taus ntau dua qhov kub (-423 rau 1300f).
Invar 36 Tube OD: 0.2-6mm, wt: 0.02-2mm

Cov ntsiab lus siab ntawm chromium muaj zoo tsis kam rau oxidizing b3 cov yeeb nkab flanges muab cov alloy nrog zoo tsis kam rau corrosion hauv kev txo cov xov xwm.

DIN975 N08367 Dub Xwm Dub Stainless Hlau Qib 8 Xov Rods Xov Rods Steel Fackeners Hlau

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.

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).

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.

Copyright © Zhengzhou Huitong Pipeline Equipment Co., Ltd. Qoob loo

Hastelloy alloys phau ntawv qhia
Alloy Steel Flanges
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.
ASTM B677 UN tsis muaj N08925, tsis ua tiav N08926

Sa12 F11 Flange yog ua los ntawm kev siv cov khoom siv zoo tshaj plaws thiab lawv muab kev ua tau zoo heev txawm tias nyob rau hauv qhov chaw nyuaj tshaj plaws. Qhov hnyav ntawm qhov no tseem muaj thiab raws cov khoom no yog tsim los.

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.

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.

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.

ASTM A453 Qib 660 yog cov khoom siv tshwj xeeb rau cov tub ntxhais kawm, bolts, neeg rau kev siv hauv cov kev siv hluav taws kub kub. ASTM A453 Qib 660 tau faib rau hauv 4 lub chav kawm yog A, B, C & D, txhua tus raug xaiv nrog cov khoom sib txawv thiab kev ntxhov siab tawg. Qib 660 lub fasteners tau siv nyob rau hauv bolting balting, cov hlab ntsha siab, pipeline flanges thiab li qub, npaj rau kev kub siab kub. ASTM A453 Qib 660 cov khoom siv sib npaug rau Astm B638 Qib 660 Tus Kheej Stainless Hlau Alloy, tseem tsis tau ua tiav cov khoom tau hais tseg hauv Astm A453 kev qhia tshwj xeeb.

Cov no yog siv rau hauv cov ntawv thov uas cov kev xav tsis kam yuav tsis ntau thiab dav corrosion tsis kam.

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.

Lub taub hau stainless 347 hex taub hau bolts tau yooj yim poob tau yooj yim, uas ua rau huab dawb ntws ntawm cov tshuab hluav taws xob hauv lawv cov kev npaj. Lub caij no, 347 stainless hlau fackenerers yog siv nyob rau hauv kev xeb ib puag ncig qhov twg kub yuav voj voog ntau dhau ntawm 800o f (425o c). Daim ntawv thov kom ua kom zoo nkauj yog ib qho. Lwm yam siv rau 347 stainless hlau yog thermal sensors thiab thermoces.

DIN933 ASTM A193 347-347H Tag Nrho Cov Xov Xwm Bolt Stainless Hlau Hex Bolt Fastener Hex Bolt 3-4-16 X3

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).

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.

Cov Alloy Steel F12 LAP Cov kab ke sib koom ua ke yog ua rau muaj cov qauv tsis sib xws thiab ua tau raws li nws cov lus los ntawm cov qauv hauv tebchaws thiab thoob ntiaj teb. Alloy Steel Astm A182 F12 flanges yog tshwj xeeb resistant rau corrosion hauv xwm. Nyob rau hauv cov neeg sib tham, cov ntaub ua si tuaj yeem txiav cov yeeb nkab kom ntev tsis muaj qhov tsis yooj yim rau cov ANTM A182 F12 Alloy Steel Flanges.

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]

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.

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.

Lub corrosion resistance kev ua yeeb yam ntawm 304 ss yeeb nkab yog qhov tseem ceeb tshwj xeeb rau stainless raj. Cov cuab yeej siv ntau zaus ntawm cov hlau koom nrog Ferritic thiab Martensitic Steel, uas yog feem ntau ua los ntawm kev ntxiv chromium thiab tsim los ntawm kev kho cua sov lossis ua kom sov.

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.

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.

A182 F9 F11 F51 Alloy Flange tau ua kom qis dua hauv kev ntxhov siab ntawm kev ntxhov siab

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.

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.

Lub inconel 625 tubing daws kuj tseem muaj cov kev cuam tshuam zoo tshaj rau cov kev mob siab zoo li oxidation thiab carburization. Peb Alloy 625 Qib 2 Tshem Tub Ceev Cov Ntsiab Lus yog dav siv raws li kev tswj hwm thiab cov yees duab raj.
SB564 UNRAWN N02200 Flange
Duplex Steel
Portuguese
Indonesian
Xaiv lus
Carbon Steel Bars & Rods
DIN2543 Yog li Flange RF RTJ Stainless Hlau Flanges
Hlau tuav & RDS
Ntev: Raws li qhov koj xav tau. "

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.

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

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.

Cov txuj ci ntawm chromium alloy steel muaj xws li cov qib tub sab tub corrosion ntau dua. Ntxiv rau kev tiv thaiv oxidation, alloy steel p91 ntawm A335 steel yeeb quav kuj tseem muaj peev xwm siv tau rau cov roj boilers, cua sov, muaj zog, thiab ntau dua. Cov ntawv thov saum toj no ua haujlwm raws li ntawm qhov kub thiab txias, uas yog vim li cas ntau tus neeg muag khoom pom zoo kom alir steel p91 yeeb nkab rau cov ntawv thov saum toj no.

Lub Flange yog qhov thib ob feem ntau siv koom nrog txoj kev tom qab selding. Kev siv flanges tau siv thaum cov pob qij txha xav tau dismantling. Nws muab kev hloov tau rau kev saib xyuas. Flange txuas cov yeeb nkab nrog ntau yam khoom siv thiab li qub. Breakup Flanges tau ntxiv rau hauv cov raj xa hluav taws yog tias kev saib xyuas tsis tu ncua thaum lub sijhawm cog ntoo.
Caw 36 Lub C93600
Duplex Steel
Portuguese
Indonesian
Xaiv lus
Carbon Steel Bars & Rods
UN tsis yog N06022 Hastelloy C22 Ntiv Nplhaib Lub Nkoj Flanges
Hlau tuav & RDS
Ntev: Raws li qhov koj xav tau. "
Stainless Hlau Al-6xN Tube Asme Sb 676 Tsis Ua N08367 Tubing
AISI 304 \ / 304L Stainless Hlau Seamless Yeeb Nkab

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.

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.

Lub zog ntau dua thiab corrosion tsis kam yuav tsum siv seamless stainless hlau thiab npib tsib roj av, petrochemical, tshuaj lom neeg, thiab pulp thiab cov ntawv lag luam.

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-Chronmium-Molybdenum-colunbium Inconel 625 NCF 625 NA 21 HLAU BAR

Lub corrosion resistance kev ua yeeb yam ntawm 304 ss yeeb nkab yog qhov tseem ceeb tshwj xeeb rau stainless raj. Cov cuab yeej siv ntau zaus ntawm cov hlau koom nrog Ferritic thiab Martensitic Steel, uas yog feem ntau ua los ntawm kev ntxiv chromium thiab tsim los ntawm kev kho cua sov lossis ua kom sov. / Hom

Hastelloy G30 yog kev sib xyaw ntawm Nickel, chromium, hlau, cobalt, molybdenum, tungsten thiab manganese. Hastelloy G30 feem ntau siv los muab cov txiaj ntsig siab tiv thaiv tshuaj lom neeg. Hastelloy G30 yog ib qho kev ua tau zoo alloy nrog qhov chaw ruaj khov ntawm qhov kub. Hauv daim ntawv welded, corrosion kuj tseem tau nqa dhau. Hastelloy G30 fasteners yog coople heev. Hastelloy g30 tiv taus deformation ntawm qhov kub. Hastelloy G30 yog siv rau hauv cov ntawv thov uas yuav tsum muaj kev tsim kho siab thiab deformation tsis kam. Siv ua haujlwm txias, cov fasteners yog tawv. Cov fasteners muaj cov oxidation siab tiv taus.

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.

Hastelloy C276 ASTM Txuj Ci B575 Phaj yog npib tsiboly-Molybdenum-linogrement C276 daim ntawv ua kom zoo rau kev nthuav dav txawm tias muaj qhov kub thiab txias.

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.
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.
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.

Nws qhov txiaj ntsig zoo tshaj plaws yog tias nws tuaj yeem sib sau ua ke yam tsis muaj vuam, uas piav qhia txog cov chaw muaj kuab phom sij uas yog qhov chaw tawg uas muaj kev phom sij uas muaj kev phom sij.

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

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.

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 cov khoom siv 309 stainless hlau flanges yog hardness ntsuas thiab lwm yam kev ntsuam xyuas ntawm thaj chaw thiab kev thauj mus los mus lav ntev rau cov neeg siv khoom.