Stainless thiab Duplex Yeeb Nkab

Inconel 600 ES Una Alacion de NiSolion-Cromo Siv De Upplicaciones Que Referage Y A Altas Teras Temataturas. Esta Alacion de Niquel Esta dise? Ada para tau siv kub thiab kub thiab kub Lasta 2000 ¡f. Tsis muaj tus ES Magnetico, Tiene zoo siab tshaj plaws propiedades propiedades mecanicas yi commecten

Thaum 316 yog tsis muaj xeb tag nrho, lub alloy yog ntau corrosion-resistant dua li lwm tus hlau tsis muaj. Kev phais cov hlau yog ua los ntawm subtypes ntawm 316 stainless hlau.

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.

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.

NAS 800H (NCF 800H, UNRSICS N08810) \ / NICBACE ARATORS uas muab lub zog loj thiab ua kom muaj kev kub ntxhov thiab carburization ntawm qhov kub

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.

Hauv cov ntawv thov uas siv nyob rau ntawm subzero kub, lub monel 400 flanges qhia cov pov thawj ntawm qhov kub thiab txias. Ntawm qhov tod tes, cov khoom siv xws li lub zog thiab hatness ntawm monel 400 ceg tawv sib koom tes tsuas yog hais txog lwm yam khoom xws li kev cuam tshuam tsis kam

Stainless hlau 316 yeeb nkab yog cov hlau uas nyiam siv rau hauv ib puag ncig marine vim tias nws cov kev tiv thaiv ntau dua los ntawm nws cov qib ntawm cov hlau. Qhov tseeb tias stainless hlau 316 yeeb nkab yog qhov tsis zoo rau cov sib nqus rau cov sib nqus tau txhais tau tias nws tuaj yeem siv rau hauv cov ntawv thov uas tsis sib nqus. Ntxiv nrog rau Molybdenum, 316 kuj muaj ntau tus naj npawb ntawm lwm cov ntsiab lus hauv kev sib txawv. Nyiam lwm qib ntawm stainless hlau, marine qib stainless hlau yog tus neeg saib xyuas zoo ntawm ob lub kub thiab hluav taws xob thaum piv rau cov hlau thiab lwm cov ntaub ntawv ua haujlwm.

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

Inconel x750 steel bar
Pom lsaw erw EFW
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.
Tensile lub zog (mpa) min

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).

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.

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

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.

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.

Flanges yog siv los txuas 2 xaus ntawm cov yeeb nkab lossis kom xaus cov yeeb nkab. Lawv muaj nyob rau hauv ntau cov ntaub ntawv. Cov pa roj carbon steel yog ib hom flange uas feem ntau yog tsim cov roj carbon hlau.
316 Yeeb Nkab, S31600 YEEB, Stainless Hlau Yeeb Nkab

Lub siab molybdenum cov ntsiab lus ntawm 254smo stainless hlau ua kom nws muaj cov oxidation ntau dua thaum anneered, ua rau muaj kev sib tw sib txawv tom qab siv cov hlau qub. Txawm li cas los xij, qhov no tsis muaj cov phom sij ntawm txoj kev xeb tawm tsam ntawm cov 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.

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

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.

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.

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.

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 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.

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.

Muaj ntau cov pa roj carbon nyob hauv 316 stainless hlau dua 316L. Qhov no yooj yim kom nco ntsoov vim tias qhov l sawv rau "tsawg". Tab sis txawm nrog cov ntsiab lus muaj roj teeb qis, 316L yog qhov zoo heev li 316 hauv yuav luag txhua txoj kev. Cov nqi yog qhov zoo heev, thiab ob qho tib si yog ruaj, corrosion-resistant, thiab ib qho kev xaiv zoo rau cov xwm txheej siab.

Hastelloy B3 2.4600 Bolt Traket Bolt Ntsia DIN976 Xov Xov Qws Khoom
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.
Nilo \ / alloy k w.nr.: 1.3981

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 A194 2H cov txiv ntoo muaj nyob rau hauv cov nominal ntau thiab tsawg nyob ntawm? " rau 4 ". Cov khoom lag luam no tau ua nrog cov khoom siv hnyav Hex cov txiv ntoo sib txawv thiab zinc plhaw txiv ntoo. Fasteners ntawm cov khoom siv kuj muaj siab tawv.

Qhov zoo tshaj plaws ntawm hastelloy b3 bolts muab piv rau B-2 alloys yog lawv lub peev xwm los tswj hwm kev ua kom zoo dua thaum kev hloov pauv mus rau qhov kub thiab txias.

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.

316 Stainless hlau seamless cov yeeb nkab & cov leeg, 316 stainless hlau welded kav thiab yas, 316 stainless hlau tubing, uns tsis muaj cov kav dej s31600 thiab cov leeg.

Inconel 625 Bolts yog ib qho yooj yim rau weld siv cov vuam ua pa, uas yog qhov tshwj xeeb tshaj yog pab rau inconel 625 weld studs. Qhov no feem ntau xaiv tau rau nws weldability piv rau lwm tus neeg uas muaj menyuam yaus uas tau sib cais heev. Alloy 625 tsis cuam tshuam intergranular corrosion txawm nyob rau hauv cov as-welded mob. Tsis tas li ntawd, tom qab Weld kev kho cua sov ntawm Weld tsis tsim nyog los tswj hwm corrosion.

Txhua yam nyob rau hauv tag nrho, yog tias koj xav tau superior corrosion tsis kam thiab koj daim ntawv thov muaj dej, ces 316 hlau tsim nyog nws. Yog tias tsis yog, 304 hlau yuav haum koj cov kev xav tau zoo.

Peb txiav txim siab muab tib yam rau lawv nyob hauv cov kev sib txawv, cov qauv kawm, ntau thiab tsawg, qhov ntev, ntsuas, chav kawm. Nws tseem yog qhov tseeb thiab muab rau cov neeg siv khoom ntawm cov kev txiav txim siab-txiav thiab tsim cov ntaub ntawv tshwj xeeb yog li kev xav tau zoo heev.

Qhov loj me "Od: 1 \ / 2" "~ 48" "
Inconel 718 2.4668 kub dov phaj thiab colled colled phaj
Invar 36 Nilo Alloy 36 W.nr 1.3912 tsis yog K93600 ASTM F1684
MSS SP-44 ASTM ASME Ib SA 182 316 316L Stainless Hlau Flange
Hastelloy X Nippolet Flanges Hastelloy X plam ntawm Flanges
SS 316 PIB Phab Ntsa Stainless Hlau Yeeb Tube
347H phaj xa khoom Stainless Hlau 347H 2B Ua Ntej Daim Hlau
304 lossis 316 Stainless Hlau Yeeb Nkab Fittings 45 Degree Luj
Incoloy 800H lub luj tshib siv nyob rau hauv 1200-1600 deg f ntau
Rauv Lub Taub Hau Hastelloy C276 2.4819 Bolt Hardness
ASTM B443 Tsis yog N06625 Phaj Inconel 625 Kaujric Tsim
Yield zog 0.2% pov thawj (MPA) min

Tus Nickel Alloy 601 Cov Khaub Ncaws Txias Kawm Ua tiav yog tsim tom qab kub-rolling txheej txheem los txog qhov kawg.

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.

Tus qauv Austenitic kuj tseem muab cov qhab nia cov qhab nia no ua tau zoo heev, txawm tias qhov kub tau txias.

Qeb 316L, cov pa roj carbon tsawg ntawm 316 thiab yog tiv thaiv tau los ntawm kev nkag siab (Lis Ciam Cuam Tshuam Carbide nag lossis daus). Yog li nws yog qhov dav dav hauv kev ntsuas hnyav welded Cheebtsam (dhau li ntawm 6 hli). Qib 316H, nrog nws cov ntsiab lus carbon ntau dua muaj cov ntawv thov ntawm cov chaw kub, raws li tau teev qib 316ti.

Cov yeeb nkab roj dulex tau txais nws lub npe los ntawm dual xwm tam sim no nyob rau hauv microstructure ntawm alloy. Duplex stainless hlau seamless cov yeeb nkab muaj cov yam ntxwv zoo kho thiab tuaj yeem siv rau hauv ib qho xwm txheej welded. Suav hais tias yog zoo dua hauv kev sib piv rau Austison alloys toys ASTM A312 Tp3Tlex yeeb muaj ntau dua zoo tiv thaiv kom xeb.

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.

Ferritic Alloy Steel Kav yog suav tias yog muaj cov chromium cov cheem siab thiab cov pa roj carbon tsawg. Cov Pipe Sib Nqus Sib Nqus Sib Nqus Muaj cov ntsiab lus tseem ceeb suav nrog kev ua kom zoo, xeb tawm tsam thiab cuam tshuam nrog kev sib tsoo ntawm corrosion. Yog li, ib daim ntawv lees paub alloy steel kav yog feem ntau siv hauv kev siv hauv kev siv hauv kev siv hauv chav tsev ua noj, chav ua noj thiab cov ntawv thov siv khoom.

SS 316 Lub Phab Hlau This Hlau Stainless Hlau Tube - Zhengzhou Huitong Pipeline Equipment Co., Ltd.

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

Tom qab ua haujlwm kub, aneal lub raj los ntawm tshav kub txog 1725 thiab 1850 thiab 1850 rau tsawg kawg ib nrab ib teev kom phim rau hauv dej quench. Intergranular corrosion (IGC) nyob rau hauv cov yeeb nkab fittings, kuj tseem yog intergranular corrosion (iga), yog daim ntawv corrosion (iga), yog ib qho chaw muaj crystallite ntawm cov ntaub ua rau corrosion. Uns unsctings tuaj yeem tsim tau kub tsim nrog cov rog zoo ib yam li cov uas yuav tsum tau dhau los ntawm cov hlau atusenatic.

Monel 400 yog npib tsib xee-tooj ​​liab (kwv yees li ntawm 67% Kev du dua thiab thermal conductivity zoo tagnrho rau cov khoom siv hiav txwv.
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.

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.

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]

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.

Ntau yam cuttingtings xws li Plooj txiav pom kev txiav, tshuab txiav, laser txiav, thiab lwm yam yog siv rau kev ua cov hlau stainless 347h daim hlau.

S32750 S32760 SUPLLEX Stuple Stainless Hlau Pipes Nrog Cov Pitting Zoo Tshaj

Wn SW 1 4 nti Hlau Caj Chopes Flanges Flanges Sch40 SCH 40 Monel 400 DN1500 Qhov muag tsis pom Flange

Inconel x750 bar yog super alloy uas feem ntau siv nyob rau hauv aerospace thiab nuclear kev lag luam. Nws muaj zoo heev corrosion tsis kam thiab cov khoom siv zoo.

Cov neeg kho tshuab zog, corrosion tsis kam thiab ntsuas kub ntawm Astm A182 F53 flanges yog siab dua li ntawm cov hlau duplex stille.

Alloy 625 yog cov npe nrov npib tsib xee-chromium alloy uas muaj cov neeg siv qib siab ntawm lub zog thiab yooj yim ntawm cov fabrication.

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

Cov khoom siv no yuav tsum tau teem tus nqi charpy v cuam tshuam hauv qhov kub ntawm -46,000, kom paub meej tias nws tuaj yeem ua haujlwm nyob rau hauv cov dej kub, lub caij ntuj no lossis dej hiav txwv dej hiav txwv.

Lub 800 series alloys tau tsim nyob rau xyoo 1950. Thaum lub sijhawm, Nickel tau muaj kev xav tau siab rau kev tiv thaiv. Txhawm rau tsim cov cua sov thiab corrosion resistant cov ntaub ntawv nrog qis dua tsib xee cov ntsiab lus rau kev coj mus muag, 800 series alloys tau ua. Incoloy 800 muaj 2 hloov pauv tau. Alloy 800h (tsis zoo (tsis yog n08810) txwv cov pa roj carbon kom siab dua ntawm cov pa roj carbon monoxent 800. Alloy 800. Alentoy txwv cov pa roj carbon, txhuas thiab titanium cov ntsiab lus txhua qhov siab kawg. Qhov zoo ntawm kev tawm tsam kev ua kom muaj lub zog siab dua thiab kev ntxhov siab tsis txaus siab.
Xaiv lus
Portuguese
Bulgarian
Norwegian
www.hpipe.es
Yeeb Nkab Spools Fabrication
A312 S31254 1.4547 Cov kav hlau stainless hlau
UNRENT: K94610 ASTM F15
Carbon Steel Bars & Rods
Zhengzhou Huitong Pipeline Equipment Co., Ltd.
https: \ / \ / www.htpipe.com \ / stainpipe

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.

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.
Xaiv lus
Portuguese
Bulgarian
Norwegian
www.hpipe.es
Yeeb Nkab Spools Fabrication
A312 S31254 1.4547 Cov kav hlau stainless hlau
UNRENT: K94610 ASTM F15
Carbon Steel Bars & Rods
Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Stainless hlau yeeb nkab & raj

Ntsia 8 Bolt Bolt Txiv Ntoo Hex 12 Lub Taub Hau Xov ATM A325M 8S Hnyav A193 B7 Tsis Tsim Nyog

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.

Tso cai rau hauv Austenite steel, stainless hlau dawb, stainless hlau 304 raj yog tsis muaj sib nqus thiab muaj zoo rau kev siv tshuaj thiab cov xwm txheej zoo, nrog lub siab ua rau oxidation.