Tsim cov qauv ASME B36.10 ASME B36.19

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.

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.

Inconel 718 yog ib qho nag lossis daus ua kom tawv tawv Nws muaj zog tshaj li inconel x-750 thiab muaj cov khoom zoo dua ntawm cov khoom siv tshuab hluav taws xob zoo dua li Nimonic 90 thiab Inconel X-750.

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 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.

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

ASTM \ / ASME A106 \ / SACE106 Seamless Cov Yeeb Nkab yog siv hauv kev lag luam piping cuam tshuam nrog kev siv cov khoom siv cua sov, nrog rau cov txheej txheem kev tsim khoom, cov chaw ua haujlwm ntawm cov khoom siv hluav taws xob.

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.

Stainless hlau 304 yog ib qho yooj yim los ua haujlwm tawv. Cov hau kev tsim uas muaj feem nrog kev ua haujlwm txias yuav xav tau ib nrab anallinging theem kom ua haujlwm hnyav thiab zam kev ua kua lossis tawg. Thaum kev fabrication tiav, kev ua haujlwm anealing tag nrho yuav tsum tau ua haujlwm los txo kev ntxhov siab sab hauv thiab ua kom zoo rau corrosion tsis kam.

Lub 304 thiab 316 seamless thiab welded stainless hlau yeeb nkab yuav tsum muaj rau cov piping nruj thiab corrosion tsis kam rau siv nyob rau hauv ntau yam kev siv. Kev txiav tawm, khoov, polishing, xov thiab grooving cov kev pabcuam tiav thiab hloov mus rau cov lus qhia tshwj xeeb.

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 601 yog ib qho tseem ceeb heev npib tsib xee siv hauv kev tsim cov kav dej. Inconel alloy 601 tubing muaj ntau cov kev siv. Ib qho ntawm nws lub sijhawm ntev siv yog rau cov kav dej hauv cov nplais ntau lawm. Cov kav dej xyoo 601 yog siv rau hauv cov menyuam hauv qab ncu, qhov chaw uas lawv raug rau cov cua kub siab, thiab hauv cov pob zeb uas muaj cov vuas.

SS 316 Seamless Yeeb Nkab thiab ASTM A312 Welded Yeeb Nkab Khoom Siv Hauv Suav
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 309s 310S 316L 316 Stainless Hlau Yeeb

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.
Qhov loj me "Od: 1 \ / 2" "~ 48" "

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.

SS 254 Smoo Washer yog lub siab-alloy Austenitic Stainless hlau tsim rau siv nyob rau hauv seawater thiab lwm yam colorfine-muaj xov xwm. ASTM A312 Stainless Hlau 254 Smo Washer yog qhov kawg siab kawg Austenitic Alloy tsim rau qhov siab tshaj plaws rau pitting thiab crevice corrosion. 254smo muaj qib siab ntawm cov chromium, molybdenum thiab nitrogen, ua rau nws haum rau cov tshuaj chlackish, seawater, dej hiav txwv dej ntshiab.

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.

Nws tiv taus feem ntau alkalis, ntsev, khoom noj khoom haus, tshuaj yeeb dej, cov tshuaj organic thiab cov huab cua ntawm ib txwm muaj.

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.

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.

Peb raug tsim tawm ButtWeld seamless thiab welded stainless hlau 304 \ / 304l flanges thiab / 304l Yeeb Nkab Khoov Ua Raws Li Cov Qauv / ASME thiab DIN Cov Qauv.

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.

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.

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).

Nickel Alloy tuav & RDS
ASTM A182 F12 Hloov Bar yog feem ntau siv hauv kev lag luam sib txawv, kev lag luam steel, kev lag luam steel, kev lag luam steel, kev lag luam steel yog muaj ntau thiab tsawg kom tau raws li cov neeg siv khoom sib txawv.

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

ASTM A479 UNS UNRONT S32750 \ / / A182 F53 STORDED BOLTS, uas yog ib qho kev sib tw ua ke nrog ob lub txiv ntoo hexagon hnyav. Nyob rau hauv cov roj av thiab kev lag luam tshuaj, cov suplex no ootx A4750 Cov khw Bolts yog cov ntsia liaj qhov rooj uas muaj rau cov kev sib txuas nrog flanged.

ASTM B564 Incoloy 825 Flanges
Alloy Steel Fasteners
Incoloy alloy 800 (tsis yog n08800 yog ib yam khoom siv kub. 1.4876) yog lub zog siv tau, thiab ruaj khov rau kev pabcuam txog 1500¡
18 nti seamless steel yeeb nkab incomple yeeb nkab

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.

ASME B16.5 Flanges Stainless Hlau Stainless Flange Xov Flange Reducer Flange

Lub 2205 gasket yog hu ua lub duplex stainless hlau gaset vim nws muaj kev sib xyaw ua ke thiab tuaj yeem ua rau hauv freedeners vim nws cov siab corrosion. Nws tau muaj ntau dua corrosion tsis kam tshaj 316 stainless hlau thiab kuj tseem tiv taus kev ntxhov siab thiab chloride tawg. 2205 tau txiav txim siab ua tau zoo vim nws tsuas yog 5% npib tsib xee thiab yog tsis tshua kim dua hastelloy c276 fasteners.
Qhov kev daws teeb meem kev kho kom sov ntawm 304 \ / 304l stainless hlau yeeb nkab steel yog 1080-1100Læ, dej txias lossis cua txias. Qhov nruab nrab annealing kub ntawm kev ua haujlwm txias yog 850-970 ¡Ã Ã c, thiab dej txias tom qab lub sijhawm. Tus qauv hlau yog Austenite tom qab kev kho ntshav tom qab kev kho mob, thiab qee zaum muaj ib qho me me ntawm ferrite.

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.

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.

Peb txoj kab kev sib xyaw ntawm cov kav dej thiab tubing muaj cov corrosion zoo heev hauv oxidizing lossis txo ib puag ncig. Cov kav dej no thiab cov raj yog siv dav rau kev xa cov alkaline thiab kua qaub. Peb muab cov qauv kev sib tham tsis raug cov kav dej tsis sib xws thiab cov leeg ntawm cov nqi sib tw tshaj plaws.

ASTM B564 Incoloy 825 Flanges Incoloy 825 Flanges yog ib hom flanges uas tau ua tau zoo tshaj plaws rau oxidizing raws li txo cov kua qaub. Lawv raug fab khuam los txhim kho lawv txoj kev tiv taus corrosion thiab huv si rau Weld

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.

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.

A335 Qib P5, P11, P11, P22, P22, P22, P91 Alloy Steel Seamless Tube ntim yuav nyob rau hauv cov kab xev thiab thauj khoom rau hauv cov thawv kom tsis txhob muaj kev puas tsuaj.

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).

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]

Nilo Alloy 36, W.NR 1.3912, Tiv Thaiv 36% Nickel-Npib thiab muaj tus nqi ntawm kev nthuav dav ntawm cov hlau.
Nilo \ / alloy k w.nr.: 1.3981
Stainless hlau
www.hpipe.es
Raj yeeb nkab 316
Caw 36 Lub C93600
ASME B36.19M Stainless Hlau Yeeb Nkab
Daim duab ntawm 316L stainless hlau yeeb nkab tsim qhov chaw
Kev Ntsuas Siab Alloy Yeeb Nkab
Tsim cov qauv asme b36.10 asme b36.25

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 ..

Kuj tseem siv hauv kev txhaj tshuaj oxygen hauv hlau thiab iav tsim khoom, thiab condenser kav dej hauv cov dej acidic dej. Nws cov lus tseem ceeb pab nws lis cov xwm txheej nyuaj no. Inconel 601 Tube yog tsim los ntawm npib tsib xee, muaj ntau ntau ntawm cov roj ntsha thiab ntau dua ntawm cov yeeb nkab hloov pauv rau cov kev cuam tshuam ntawm cov dej kub siab oxidizing ib puag ncig. Txawm li cas los xij, cov yeeb nkab 601 seamless yog tsis haum rau cov xwm txheej sulphurous.

Inconel yog superallloy ua nrog cov npib tsib xee, chromium, thiab molybdenum.

Zoo li cov hlau, 316 stainless hlau yog feem ntau sib xyaw ntawm cov hlau thiab carbon. Txawm li cas los xij, stainless hlau kuj muaj tsawg kawg yog 10.5% chromium, lub teeb duab me me uas imparts ib hlau saum cov hlau nto ua tiav thiab zoo heev corrosion. Stainless hlau yog qhov zoo tagnrho rau cov ntawv thov ntev lub sijhawm uas yuav raug rau cov khoom, noo noo thiab cov peev xwm corrosive. Nws tseem yog qhov zoo rau kev lag luam rhiab xws li kev npaj khoom noj thiab chaw muag khoom, uas muaj kev pheej hmoo ntawm kev paug qis dua.

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

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.

ASTM A335 GR P91 Seamless yeeb nkab muaj qhov zoo dua yog qhov tseeb, uas nyeg yog tsim nyog rau cov ntawv thov uas yuav tsum muaj qhov ntsuas siab. Kev lag luam petrochemical, roj thiab roj av, cov nroj tsuag roj av, cov nroj tsuag hluav taws xob thiab cov khoom siv feem ntau koom nrog kub siab thiab ntsuas.

Cov ntsiab lus txo cov ntsiab lus hauv 316L minimizes muaj kev nyuaj siab ntawm vuam (carbon yog kos tawm ntawm cov hlau thiab reacts nrog chromium thaum ua kom sov, puas xeb tawm tsam). Yog li ntawd, 316L yog siv thaum vuam yog qhov yuav tsum tau ua kom ntseeg tau qhov siab tshaj plaws corrosion.

Raws li ib qho alloy, inconel 625 muaj feem ntau ntawm cov npib tsib xee, chromium thiab molybdenum. Ntxiv rau peb cov hlau no cov hlau, cov nqe ntawm niobium ntxiv rau ntawm Alloy. Kev sib txuas hlau yuav tsis tsuas yog txhim kho nws cov khoom siv lub cev, tab sis kuj yog nws cov khoom siv neeg kho tshuab. Txij ntawm no, ntxiv rau ntawm molybdenum thiab niobium rau astm b446 inconel 625 forged bar pab ntxiv rau cov alloy matroy. Bar muab lub zog tensile muaj zog uas tsis muaj zog yam tsis muaj kev siv dag zog rau kev kho kom sov.

Hom 304L tuaj yeem muab cov ntawv pov thawj dual uas tau muaj 304 thaum cov muaj pes tsawg leeg sib dhos cov pa roj carbon tsawg dua 304L thiab siab dua 304 lub zog. Hom 304L yuav tsum tau teev tseg rau kev siv vuam cov ntawv thov ua cov roj carbon tsawg dua cov roj carromium carbide nag lossis siv zog rau lub xeev welded.

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.

A240 hom 304 stainless hlau tej daim. ASTM A240 (chromium thiab chromium npib tsib lwj uas muaj zog ntawm cov hlau, nws yog cov khoom siv siab ntawm cov hlau, cov ntaub ntawv kho kom zoo nkauj, rooj tog kom zoo nkauj kho mob thiab kev lag luam kev lag luam thiab kev ua haujlwm.

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.

Ntev ntev weld flanges, tseem hu ua Lwn Flanges, zoo ib yam li tus qauv. Weld Neck Flange, tab sis lub caj dab ntev dua.

DIN127 S31254-254SMO Xwm Stainless Hlau 5-16 Qeb 2 Washer Washer M17 S31254-254Smo Washer

Alloy A286 yog ib qho ua rau muaj kev kub ntxhov los ntawm kev ua kom muaj zog thiab cov khoom siv hluav taws xob siab, lub zog loj heev. Incoloy alloy A286 yog cov hlau-npib-chromium raws li cov khoom siv hlau raws li ntawm cov molybdenum thiab titanium. CRES A286 Alloy yog paub rau nws lub zog zoo thiab oxidation tiv, tshwj xeeb tshaj yog nyob rau qhov kub thiab txias txog 1300¡ÃF (700Ã).

Hastelloy tubing yog haum rau cov ntawv thov hauv cov tshuaj lom neeg ua, ua liaj ua teb, zaub mov, petrochemical thiab fais fab kev lag luam. Hastelloy piping feem ntau tau teev rau cov kev siv corrosive muaj thiab feem ntau siv nyob rau hauv cov txheej txheem qhov twg chloride yog ib feem.