1. Laj kab, Tsev Cog Khoom, Qhov Rooj Qhov Rooj, Tsev Cog 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.

Peb muab cov khoom lag luam zoo incoloy 825 pas nrig nyob rau ntau yam khoom siv qib, ntsuas ntsuas thiab ntau thiab tsawg. Peb cov qib high-qib 825 cov pas nrig muaj cov yam ntxwv zoo heev xws li tsim qauv, tus nqi tau txais txiaj ntsig, durability thiab ua tiav 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.

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.

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.

Nickel Alloy tuav & RDS
Steel yeeb nkab fittings
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.
Invar 36 Tube OD: 0.2-6mm, wt: 0.02-2mm

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 ..

Kev txo qis ntawm cov ntsiab lus carbon ntxiv nrog rau qhov ntxiv ntawm nitrogen nyob rau hauv alloy ntawm Asme B16.1 F304L plam ntawm cov flanges, yog dab tsi coj txog cov kev hloov pauv ntawm cov alloy. Firstly, ib cov pa roj carbon tsawg muab cov yooj yim nrog rau vuam.

ASME B16.48 Hastelloy Alloy C2000 Tiaj Tus Flanges Stockoles Alloy C2000 Lap Sib Tw Pleev

Zoo tshaj qhov mus rau hydrochloric acid, txhuas chloride catalysts thiab lwm yam kuab lom uas tsis tshua muaj kuab lom. Zoo siab High-kub lub zog hauv inert thiab nqus atmospheres.

316 Cov yeeb nkab stainless hlau yog tsim los ntawm cov khoom siv chromium lossis cov chromium thiab npib tsib xee. Cov hom yeeb nkab hlau tsis muaj zog xws li cov ntaub ntawv sib xyaw ua kom haum rau cov yeeb nkab ntawm werritic lossis kev sib khi loj thiab weltenitic stainless hlau yeeb nkab hlau.

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

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.

Ca thiab xauv cov chaw ntxhua khaub ncaws tuaj yeem txiav lossis tawm ntawm daim ntawv rau cov neeg siv khoom tshwj xeeb. Txij li 2205 sib xyaw ua ke lub zog, zoo heev corrosion thiab kev nyuaj siab corrosion, Qhov no yuav yog txoj cai alloy rau koj cov phiaj xwm kev ceev, bolts, spacers thiab studs.

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).

ASTM A276 309 uns s30900 stainless hlau pas nrig yog qhov siab-kub thiab corrosion-resistant cov ntaub ntawv siv dav hauv kev xav tau ib puag ncig. Lawv tau crafted los ntawm ib qho chromium-nickel alloy thiab yog tshwj xeeb paub rau lawv cov oxidation zoo heev thiab muaj zog ntawm cov kub.

Ca thiab xauv cov chaw ntxhua khaub ncaws tuaj yeem txiav lossis tawm ntawm daim ntawv rau cov neeg siv khoom tshwj xeeb. Txij li 2205 sib xyaw ua ke lub zog, zoo heev corrosion thiab kev nyuaj siab corrosion, Qhov no yuav yog txoj cai alloy rau koj cov phiaj xwm kev ceev, bolts, spacers thiab studs.

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.

Style 18-8 Thiab Style 316 Stainless Hlau Bolts muaj nyob rau hauv feem ntau ntawm peb cov lus nug. Hom 18-8 yog tus qauv qib, thaum 316 yog ib hom nyiaj uas tau hu ua marine qib steel. Nws yog lub npe hu rau nws cov kev ua haujlwm nyob rau hauv cov xwm txheej hnyav uas ua rau xeb lossis xeb.

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.

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.

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.

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.

Alloy G30 N06030 2.4603 Hastelloy G30 Tag Nrho Xov Hawj Txiv Ntoo Hex Txiv Ntseej
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).
Monel 400 YEEB RAU COV FRESE rau EYEARLASSES

Inconel reductants yog qhov txawv ntawm npib tsib xee, Molybdenum thiab chromium cov ntsiab lus nrog Niobium cov ntsiab lus. Nws muab cov kev tiv thaiv corrosion zoo tshaj plaws hauv chloride-muaj ib puag ncig.

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.

Peb muab cov kev ua tiav ntawm 2205 duplex steel footeners xws li bolts, neeg rau, ntxuav, txuas cov pas nrig thiab ob leeg steel screws. Peb kuj muaj super duplex fasteners nyob rau ntau thiab tsawg, cov duab, nta thiab tuab raws li cov neeg siv khoom.

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.

Duplex 2507 1.4410 1.4410 S32750 Washer DIN125 - Zhengzhou Huitong Pipeline Equipment Co., Ltd.

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.

Ntxiv dag zog ntawm Super Alloy Hastelloy B2 Yeeb Nkab Khoov yog ua los ntawm cov kev daws teeb meem, ua haujlwm hnyav, thiab nag lossis daus.
Hastelloy B2 Yeeb Nkab 2.4819 Alloy C 276 B 276 B 276 B 276 B 276 B 276 B 276 B 276 B 276 B 276 B 276 B 276 B 276 B 27
Cov kav dej ntawm seamless configurations tau muaj peev xwm ntau dua cov muaj peev xwm thiab lub zog tshaj lwm qib.
AL6XX N08367 Stainless Hlau Phaj Flange Stainless Hlau Al6XN Weld Neck Flanges Tus Tswv Muag

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.

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.

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.
Ntaus "yeeb nkab seamless
Lub raj seamless
Welded Yeeb Nkab
Welded Tube
Cov neeg siv khoom tshuaj xyuas
Stainless hlau yeeb nkab & raj
2. Tsawg siab kua, dej, roj, roj, kab yeeb nkab
Nickel Alloy Fasteners
Din ºDin931 hex ntsia liaj qhov rooj nrog ib nrab xov

Qhov tshwj xeeb rau ISO chav kawm 4.8 tus qauv npog qib 4.8 cov fasteners zoo li bolts \ / screws \ / stips. Hom kev kawm nrawm nrawm 4.8 ntsia liaj qhov rooj tuaj yeem yog siv cov xov npib thiab zoo pitch xov kev tsim. Cov Chav Kawm 4.8 Cov Hluav Taws Hlau Carbon Steel Bolt tau tsim los ntawm cov roj av qis lossis nruab nrab 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.

Incoloy 800ht RTJ Flanges Incoloy 800 \ / 800Ht flanges yog muab rau npib tsib xee-roj av alloys uas npaj lub zog tsis kam thiab lub zog ntawm cov chaw hnyav. Cov flanges pom kev nthuav tawm cov superior tiv thaiv mus rau chloride kev ntxhov siab corrosion thiab crevice corrosion. Ntau dua, nws kuj qhia tau zoo tshaj plaws hauv kev xeb, kev nyuaj siab tawg thiab creepy). Lub vuam ntawm cov flanges no yog ua tiav siv ntau hom kev kawm xws li Mig, Tig thiab ntau dua.

316 cov yeeb nkab hlau tuaj yeem txuas lub neej ntawm cov khoom siv lossis cov cuab yeej siv tawv nqaij thiab cov kab mob ua kom huv, tshwj xeeb tshaj yog thaum raug rau cov ntsev. Txawm li cas los xij, rau cov ntawv thov feem ntau, Hoob 304 yuav ua haujlwm zoo xwb.

Tsawg lossis tsis muaj xeb tshwm sim hauv cov roj av qhuav xws li chlorine lossis hydrogen chloride ntawm chav sov thiab kub. Ntawm qhov kub txog li 550c hauv cov xov xwm no, cov alloy tau ua pov thawj los ua ib qho ntawm feem ntau corrosion resistant ib alloys ntau.

304 yog cov qib siv ntau tshaj plaws ntawm txhua qhov hlau uas tsis muaj hlau hauv ntiaj teb. Nws muaj chromium thiab npib tsib xee nyob rau hauv cov muaj pes tsawg leeg thiab ua yeeb yam ib degree ntawm corrosion tsis kam thiab lub zog.

ASTM B165 (tib yam li ASM-165) Tooj-Tooj-tooj ​​liab Monel 400 (tsis yog khaub ncaws txias-ua haujlwm ua haujlwm.

ASME SA182 ss 317 Flanges Siab Siab Molybdenum Cov ntsiab lus tau txhim kho qhov ua tau zoo dua. Nws yog qhov corrosion feem ntau tiv thaiv 300 series alloys thiab muaj cov khoom siv tensile ntau tshaj thiab nkag tau rau ntawm cov chaw 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.

S32750 S32760 SUPLLEX Stuple Stainless Hlau Pipes Nrog Cov Pitting Zoo Tshaj
Ntaus "yeeb nkab seamless
Lub raj seamless
Welded Yeeb Nkab
Welded Tube
Cov neeg siv khoom tshuaj xyuas
Stainless hlau yeeb nkab & raj
2. Tsawg siab kua, dej, roj, roj, kab yeeb nkab
Nickel Alloy Fasteners
Din ºDin931 hex ntsia liaj qhov rooj nrog ib nrab xov

2205 ntxhua khaub ncaws, DIN125 Wasters
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.

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.

Al-6xn Alloy tau txheeb xyuas los ntawm cov kev koom ua ke ntawm cov kab ke (tsis yog) kev tsim qauv ntawm N08367.

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.
Ntaus "yeeb nkab seamless
Lub raj seamless
Welded Yeeb Nkab
Welded Tube
Cov neeg siv khoom tshuaj xyuas
Stainless hlau yeeb nkab & raj
Qhov loj me "Od: 1 \ / 2" "~ 48" "
Nickel Alloy Fasteners
Din ºDin931 hex ntsia liaj qhov rooj nrog ib nrab xov

Vim tias nws tau yooj yim ntxuav thiab tsau tshuaj, cov yeeb nkab steel yog tseem tseem xav tau rau cov ntawv thov, dej haus, thiab ntaub ntawv thov tshuaj.

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: Raws li qhov koj xav tau. "
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.

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

Ob lub cim tsis muaj stainless hlau feem ntau yog 304 thiab 316. Txhim kho qhov sib txawv ntawm cov neeg corrosion, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig nrog ntau qhov ntsev lossis tshuaj chloride kis.

Stainless hlau txuas muaj matte dub ua tiav. Ntau corrosion resistant tshaj 18-8 thiab 17-7? Muaj zog thiab ntau corrosion resistant tshaj 316 stainless hlau, bumax 109 stainless hlau tshuab yog qhov kev xaiv zoo tshaj plaws rau cov nroj tsuag marine thiab cov nroj tsuag ua haujlwm.

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.

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.

317 orifice Phaj Dam 24154 2502 316 Stainless Hlau Treaded Flange Dinow

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.

Cov cuab yeej ob lub qauv muaj 22% chromium, 4.5% molybdenum, 3% molybdenum, sitrogen, phosphorus, kuab tshuaj thiab leej faj. Duplex 2205 Screws thiab lwm lub freakeners muaj tsawg kawg yog 97ksi thiab tsawg kawg tensile muaj zog txog li 131ksi. Duplex 2205 hex bolts yog ze li ob zaug kom muaj zog raws li Austenitic qib steel bolts. Lawv muaj cov khoom siv neeg kho dua tshiab, yog li 1.4462 alloy 2205 studs thiab lwm yam ntawm cov sib txawv xws li ASME sa 182, 240, 479.

Lub alloy 800h raj muaj cov yam ntxwv zoo raws li pom hauv cov hlau-raws li cov hlau ua haujlwm thiab lawv nyiam ua haujlwm-harden thaum lub tshuab ua haujlwm.