Hlau Fasteners

Hastelloy C276 alloy muaj kev tiv thaiv zoo heev rau ntau yam txheej txheem tshuaj ib puag ncig, suav nrog cov tshuaj muaj zog oxidizing (xws li ferric chloride thiab cupric chloride), kub fouling media (organic thiab inorganic), chlorine, formic thiab acetic acid, acetic anhydride, thiab dej hiav txwv thiab ntsev. Qhov tseeb, cov Hastelloy c276 fasteners tuaj yeem siv rau hauv oxidizing cua mus txog 1900¡ãF. Tsis tas li ntawd, Hastelloy c276 hex bolts zoo li ua tau zoo heev hauv qhov chaw siab. Piv txwv li, ASTM B574 bolts ua tau zoo ntawm qhov siab ntawm 5400 kPa thaum lub sij hawm acid leaching.

Hastelloy C276 yog nickel-chromium-molybdenum wrought alloy suav hais tias yog cov khoom siv ntau yam corrosion-resistant alloy paub. Qhov no alloy yog resistant rau grain ciam deposits nyob rau hauv lub weld tshav kub cuam tshuam cheeb tsam, ua rau nws haum rau feem ntau chemical txheej txheem daim ntawv thov nyob rau hauv raws li-welded mob. Lub caij no, Hastelloy C276 fasteners raug suav tias yog cov khoom siv ntau yam thiab muaj zog siab, nrhiav lawv qhov tsim nyog hauv ntau daim ntawv thov kev lag luam. Cov no yog npib tsib xee-molybdenum-chromium forged alloy fasteners uas ua tau zoo hauv ntau qhov chaw hnyav. Lub xub ntiag ntawm molybdenum thiab chromium cov ntsiab lus ua rau npib tsib xee alloy steel ntau resistant rau crevice thiab pitting corrosion. Hastelloy c276 bolts yog qhov zoo tshaj plaws bolts hauv cov alloy series. Cov no yog cov tshuaj tiv thaiv corrosion, uas yog ib qho tseem ceeb rau kev lag luam uas Hastelloy zoo tshaj plaws.

Alloy A286 yog nag lossis daus hardening combining siab zog thiab zoo corrosion kuj, austenitic stainless hlau tsim rau kub txog li 1300¡ãF (704¡ãC) qhov twg siab tensile zog, zoo heev creep zog yuav tsum tau thiab zoo corrosion kuj. Incoloy Alloy A286 yog cov hlau-nickel-chromium raws li cov khoom siv austenitic hlau nrog ntxiv ntawm molybdenum thiab titanium. Cres A286 alloy paub txog nws lub zog zoo thiab oxidation tsis kam, tshwj xeeb tshaj yog thaum kub txog 1300¡ãF (700¡ãC).

Txwv tsis pub cov pa roj carbon thiab columbium stabilization tso cai rau kev siv welded fabrication nyob rau hauv corrosive ib puag ncig, feem ntau tsis muaj kev kho cua sov tom qab vuam. Alloy 20 nrog 33% npib tsib xee yog xyaum tiv thaiv chloride kev nyuaj siab corrosion cracking. Alloy 20 fasteners muaj kev cuam tshuam toughness resistant rau chloride kev nyuaj siab corrosion cracking, pitting thiab crevice corrosion.

Hnub nyoog-hardenable Inconel 718 Heavy Duty Hex Bolts tuaj yeem tsim tau yooj yim, txawm tias mus rau hauv qhov nyuaj. Inconel UNS N07718 bolts kuj tseem pom muaj nyob rau hauv cov roj turbine hniav, cov ntsaws ruaj ruaj thiab combustors, nrog rau cov turbocharger rotors thiab cov ntsaws ruaj ruaj, hluav taws xob submersible zoo twj tso kua mis lub cev muaj zog shafts, kub ceev fasteners, tshuaj ua thiab siab hlab ntsha, thiab lwm yam siv rau cov alloy no zoo li nyob rau hauv gas turogenic tank. Dav hlau cav, twj tso kua mis lub cev thiab qhov chaw, foob pob ua ntxaij cav thiab thrust reversers, nuclear roj caij gaskets, kub extrusion cuab yeej.

Hastelloy C276 alloy yog nickel-molybdenum-chromium wrought alloy uas suav hais tias yog "multifunctional corrosion-resistant alloy". Hastelloy C276 alloy muaj corrosion kuj zoo heev rau ob qho tib si oxidizing thiab txo cov xov xwm thiab zoo heev tsis kam mus rau hauv zos corrosion nres. Cov khoom tseem muaj cobalt, tungsten, hlau, silicon, manganese, carbon thiab vanadium nyob rau hauv nws muaj pes tsawg leeg. Vim qhov kev sib xyaw tshwj xeeb no, C276 Hastelloy bolts tseem tiv taus pitting thiab crevice corrosion.

Incoloy 800, 800H thiab 800HT bolts yog npib tsib xee-hlau-chromium alloys nrog lub zog zoo thiab ua haujlwm zoo heev rau oxidation thiab carburization ntawm qhov kub thiab txias. Incoloy 800H fasteners thiab Incoloy 800HT fastener alloys feem ntau yog siab nickel thiab chromium. Meanwhile, Inconel 800H\/800HT? (UNS N08810 & N08811 \/ W.Nr. 1.4958 & 1.4959) yog ib qho kev daws teeb meem-zog hlau-nickel-chromium alloy feem ntau muaj raws li cov ntaub ntawv pov thawj dual alloy uas ua tau raws li cov txheej txheem ntawm ob qho tib si alloys.

Monel K500 fasteners yog txias ua haujlwm ua ntej nag lossis daus hardening. Lub zog ntawm cov fasteners yog ruaj khov rau 1200 degrees Fahrenheit. Ntawm no, ntawm qhov ntsuas kub no, nws dhau los ua ductile, ncav toughness nyob ib ncig ntawm 400 degrees Fahrenheit. Ntau zog thiab hardness tom qab nag lossis daus hardening piv rau 400. Vim nws qhov zoo heev, Monel K500 ASTM fasteners yog siv nyob rau hauv ntau yam kev lag luam.

Inconel 718 hex bolts yog nag lossis daus hardened bolts ua los ntawm cov hlau uas muaj npib tsib xee ua lub hauv paus, chromium thiab molybdenum, nrog ntxiv ntawm txhuas, titanium thiab cobalt. Cov alloy no ua ke nrog kev tiv thaiv corrosion thiab siab zog nrog zoo weldability, nrog rau kev tiv thaiv tom qab vuam tawg. Inconel 718 muaj qhov zoo tshaj plaws creep rupture lub zog ntawm qhov kub thiab txias. Inconel 718 fasteners tau siv nyob rau hauv cov roj turbines, foob pob ua ntxaij cav, spacecraft, nuclear reactors, twj thiab cuab yeej.

Monel 400 yog ib qho alloy ntawm npib tsib xee thiab tooj liab, uas txhais tau hais tias cov khoom no nthuav tawm cov khoom zoo li cov nickel thiab tooj liab-raws li alloys. Monel 400 yog ntau yam thiab tuaj yeem siv rau ob qho tib si acid thiab alkali tsis kam. Kev siv dej hiav txwv muaj ntau. Ib qho txawv yog Alloy 405 (UNS N04405). Nws muaj me ntsis sulfur, uas txhim kho machinability.

Qhov tseem ceeb, Monel 500 yog lub hnub nyoog-hardened version ntawm Monel 400. Qhov no txhais tau tias Monel 500 yog ib qho nyuaj thiab tiv taus corrosion dua Monel 400. Cov khoom siv no tuaj yeem siv rau hauv cov ntawv siv roj qaub. Monel K500 Studs tswj kev tiv thaiv corrosion txawm nyob rau hauv siab tshaj tawm seawater. Yog li ntawd, cov ntawv thov no yog nyob rau hauv seawater thiab marine engineering daim ntawv thov nrog rau hauv kev siv nkoj tsim.

Monel K500 fasteners muaj kev ntseeg siab xws li lub zog, hardness thiab tawg toughness, uas tau ua tiav los ntawm kev sib ntxiv ntawm txhuas thiab titanium nrog rau npib tsib xee thiab tooj liab alloys. Nws cov ntsiab lus tseem ceeb zoo ib yam li ALLOY400, tab sis cov alloys tau ntxiv los tso cai rau lub hnub nyoog hardening nyob rau hauv kev tswj qhov kub thiab txias.

926 yog austenitic stainless hlau alloy nrog cov tshuaj muaj pes tsawg leeg zoo ib yam li alloy 904L nrog 0.2% nitrogen thiab 6.5% molybdenum. Cov ntsiab lus ntawm molybdenum thiab nitrogen ua kom muaj zog tiv thaiv pitting thiab crevice hauv halide media. Nyob rau tib lub sijhawm, npib tsib xee thiab nitrogen tsis tsuas yog ua kom lub zog metallographic, tab sis kuj txo qhov kev sib cais ntawm intergranular thermal tendency. Alloy 926 yog ib qho super austenitic molybdenum stainless hlau nrog zoo heev tsis kam mus rau ntau yam corrosive ib puag ncig. Lawv yog siv nyob rau hauv ntau yam kev siv lub luag hauj lwm hnyav nrog rau cov tshuaj cia thiab ua, aerospace thiab zaub mov ua.

Hastelloy C276 Bolts thiab Ceev tuaj yeem siv rau hauv qhov hnyav thiab hnyav ib puag ncig xws li acid, alkaline, brackish thiab dej ntsev ib puag ncig. Hastelloy c276 hex bolts yog siv nyob rau hauv acetic thiab organic acid ntau lawm cov nroj tsuag. Cov khoom muaj cov kua qaub zoo heev rau cov oxidants muaj zog. Hastelloy C276 fasteners yog fasteners ua los ntawm cov hlau uas muaj npib tsib xee ua lub hauv paus, uas muaj chromium thiab molybdenum, nrog rau kev sib ntxiv ntawm tungsten.

Nws muaj qhov kub ntawm qhov kub ntawm 2400 degrees Fahrenheit mus rau 2460 degrees Fahrenheit. Feem ntau Monel K500 qib yog lub txim taws resistant alloy. Qhov no ua tsis-magnetic hauv qab -200 degrees Fahrenheit. Hais txog kev ua haujlwm txias, cov qauv sib nqus tuaj yeem ua tiav. Monel npib tsib xee-tooj ​​liab muaj pes tsawg leeg ntawm Monel 500 yog cov tiv taus corrosion, ua rau nws zoo tagnrho rau ntau hom kev lag luam uas xav tau kev tiv thaiv ib puag ncig huab cua, xws li dej ntsev thiab acidic acid.

Incoloy A-286 stud bolt yog Fe-25Ni-15Cr puag superalloy txhawb nqa los ntawm molybdenum, titanium, aluminium, vanadium thiab kab boron. Nws muaj lub zog muaj zog thiab ua haujlwm ntev, lub zog nkag hauv qab 650 ¡æ, zoo ua plasticity thiab txaus siab vuam kev ua tau zoo. Incoloy A286 yog Fe-25Ni-15Cr raws li superalloy ntxiv nrog ntxiv ntawm molybdenum, titanium, txhuas, vanadium thiab cov lej ntawm boron. Nws muaj zog yield zog, durability thiab creep zog, zoo workability thiab zoo weldability ntawm 650¡æ.

Muaj ntau qhov sib txawv raws li cov qauv sib txawv ntawm ASTM B574 UNS N10276 Fasteners. Hastelloy C276 alloy yog yooj yim heev los tsim thiab tsis xav tau kev kho cua sov tom qab vuam. Hastelloy C276 alloy excels hauv ntau daim ntawv thov kev lag luam (piv txwv li kev ua tshuaj lom neeg).

Qib 1.4529 yog cov hlau tsis muaj hlau tsis zoo ntawm cov qauv austenitic thiab tuaj yeem faib ua cov nickel alloy (los ntawm US cov qauv). Muab nyob rau hauv ib tug supersaturated mob, nws exhibits tsis kam mus rau intergranular corrosion, pitting thiab kev nyuaj siab corrosion, ntsev, seawater, chlorides, sulfuric acid, phosphoric acid, thiab lwm yam heev concentrated kua thiab gaseous corrosive tshuaj. Nyob rau tib lub sijhawm, npib tsib xee thiab nitrogen tuaj yeem tsis tsuas yog txhim kho kev ruaj ntseg, tab sis kuj txo qhov nyiam ntawm kev sib cais ntawm crystallization thermal txheej txheem los yog vuam txheej txheem zoo dua li cov ntsiab lus nitrogen ntawm nickel alloy. 926 muaj qee qhov kev tiv thaiv corrosion rau chloride ions vim nws cov yam ntxwv corrosion hauv zos thiab 25% nickel alloy cov ntsiab lus.

Alloy 600 fasteners yog ib qho tseem ceeb ntawm kev tsim khoom niaj hnub thiab siv ntau yam khoom lag luam thiab kev lag luam, los ntawm cov dav hlau mus rau cov cuab yeej vaj. Inconel 600 yog qib nrov uas muaj npib tsib xee, chromium thiab lwm yam khoom rau kev tiv thaiv corrosion zoo heev. Lub ductility ntawm no alloy nce thaum kub nce. Peb Inconel 600 fasteners yog cov kev daws teeb meem zoo tshaj plaws rau cov ntawv thov uas xav tau qhov kub thiab txias ntau dua, cov khoom siv zoo heev thiab cov khoom siv hluav taws xob zoo heev. Nickel cov ntsiab lus muab kev tiv thaiv nyob rau hauv ntau yam organic thiab inorganic media.

Alloy 20 yog cov hlau-raws li austenitic alloy nrog zoo heev corrosion kuj mus rau ntau yam ntawm cov xov xwm sib txawv, muaj pov thawj nyob rau hauv ntau daim ntawv thov xws li flue gas desulfurization, tshuaj ua, khoom noj khoom haus thiab cia, thiab kev siv tshuaj rau npe ob peb piv txwv. Peb UNS N08020 Alloy 20 Studs yog qhov ruaj khov thiab ua haujlwm zoo hauv thaj chaw muaj kua qaub xws li kev ua tshuaj lom neeg thiab cov chaw tsim khoom sulfuric acid.

Inconel 625 yog austenitic nickel-based superalloy. Cov qib siab ntawm molybdenum thiab niobium ntxiv dag zog rau chrome-nickel matrix ntawm alloy 625 screws. Inconel 625 Bolts yog fasteners ua los ntawm nickel-based alloy uas muaj chromium thiab molybdenum, nrog ntxiv ntawm txhuas thiab titanium.

Monel K500 fasteners yog nag lossis daus hardenable npib tsib xee thiab tooj liab raws li alloy fasteners. Cov fasteners no tau tsim los rau kev tiv thaiv corrosion zoo heev thiab muaj siab hardness thiab lub zog. ALLOYK500 yog nickel-tooj ​​liab alloy uas muaj hnub nyoog-hardened los ntawm kev sib ntxiv ntawm txhuas thiab titanium alloys.

INCONEL 625 yog ib lub siab nickel superalloy feem ntau siv hauv cov roj thiab roj, petrochemical, aerospace thiab roj turbine industries. Ntxiv nrog rau kev ua haujlwm siab rau pitting thiab crevice corrosion, nws muaj lub zog zoo heev. Inconel 625 fasteners kuj muaj qhov kub ntawm 1290 txog 1350 degrees Celsius. Qhov no ua rau lawv ua haujlwm ntawm qhov kub thiab txias. Kev kub siab ua haujlwm, kev tiv thaiv corrosion thiab lub zog siab ua rau UNS N06625 Class 2 fasteners muaj txiaj ntsig zoo hauv cov khoom siv hluav taws xob, tshuaj lom neeg, kev kho mob thiab khoom noj khoom haus kev lag luam.

Qhov sib ntxiv ntawm ob lub ntsiab lus no rau Alloy 625 bolts tshem tawm qhov xav tau rau kev kho nag lossis daus vim tias Inconel 625 txiv ntseej muaj cov nyhuv hardening. Inconel 625 fasteners muab lub zog muaj zog thiab kub tsis kam.

Cov tshuaj muaj pes tsawg leeg ntawm Monel K500 ASTM yog kwv yees li 65% npib tsib xee, 30% tooj liab thiab 3% txhuas. Monel 500 nthuav tawm zoo heev corrosion kuj nrog ntxiv zog corrosion qaug zog thiab yaig kuj. Monel K500 fasteners yog tsis sib nqus ntawm qhov kub thiab txias. Cov khoom muaj tib yam corrosion kuj zoo li Monel Class 400.

Hastelloy C22 fasteners yog cov hom phiaj dav dav tsim los ntawm chromium, npib tsib xee, molybdenum thiab tungsten alloys. Cov qauv no yog tsim los ua kom muaj zog tiv thaiv pitting, kev nyuaj siab corrosion cracking (SSC) thiab crevice corrosion cracking. Alloy C-22 muaj kev tiv thaiv zoo rau ntau yam txheej txheem tshuaj ib puag ncig, suav nrog cov tshuaj muaj zog oxidizing xws li ferric thiab cupric chlorides, chlorine, cov tshuaj kub fouling (organic thiab inorganic), formic thiab acetic acid, acetic anhydride, thiab seawater thiab Brine tov. C-22 alloy tiv thaiv kev tsim ntawm grain ciam teb precipitates nyob rau hauv weld tshav kub cuam tshuam cheeb tsam thiab yog li tsim nyog rau feem ntau cov txheej txheem tshuaj siv nyob rau hauv raws li-welded tej yam kev mob.

Alloy 20 yog tsim los tiv thaiv sulfuric acid. Nws cov nickel, chromium, molybdenum thiab tooj liab cov ntsiab lus tag nrho muab kev tiv thaiv corrosion zoo heev. Alloy 20 fasteners yog austenitic stainless hlau fasteners ua los ntawm cov hlau tsis muaj cov ntsiab lus ntawm chromium, npib tsib xee, molybdenum, thiab nitrogen.

Inconel Alloy 800 Bolts muaj kev tiv thaiv zoo rau kev txo qis, aqueous thiab oxidizing ib puag ncig. Lawv yog siv heev nyob rau hauv kub txog li 1100 degrees. Inconel Alloy 800 bolts yog qhov tseem ceeb vim nws tuaj yeem ua tau raws li yuav luag txhua yam ntawm lawv cov kev xav tau. Nws tsim yog ua los ntawm ntau yam haujlwm, xws li cua sov lossis txias. Feem ntau hais lus, qhov kev ua haujlwm quenching thiab tempering yog tsim los ntawm kev ua haujlwm, thiab kev ua haujlwm annealing kuj tau ua rau cov fasteners.

Incoloy 800 Bolts thiab Incoloy 800HT Bolts tuaj yeem ua tau yooj yim welded thiab machined los ntawm cov txheej txheem khw fabrication. Txawm li cas los xij, vim muaj lub zog siab ntawm cov alloys, lawv xav tau cov khoom siv hluav taws xob ntau dua li cov qauv austenitic stainless hlau. Lub caij no, Incoloy 800 fasteners yog hlau, npib tsib xee thiab chrome alloy fasteners. Nws muaj kev tiv thaiv zoo heev rau oxidation thiab carburization ntawm qhov kub thiab txias. Lawv nyob ruaj khov heev ntawm qhov kub thiab txias thiab khaws lawv cov qauv austenitic.