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Qib 7, 7M, 8 thiab 8m muaj 8-10% npib tsib ntxiv. Qib 8 Cov khoom tsis muaj Molybdenum, tab sis qib 8m tt t

Alloy C-276 tau tiv thaiv zoo heev rau pitting thiab kev ntxhov siab corrosion tawg. Nws tseem yog ib qho ntawm ob peb cov ntaub ntawv uas tuaj yeem tiv taus cov kev mob corrosive ntawm ntub dej chlorine, hypochlorite thiab chlorine dioxide.

Alloy 310s, zoo li 309s, yog paub txog cov ntawv thov kub siab. Ob txoj kev ua haujlwm tau ua haujlwm tau zoo ntawm 2000dÃf, tshwj xeeb tshaj yog qhov twg oxidation tsis kam. 310 Stainless hlau yog ib tug Austenitic chromium-npib tsis muaj oxidation zoo thiab corrosion tsis kam rau cov chromium ntau rau npib tsib xee.

DIN976 PTFE Coated tsis ua N08810-AFFOLOY 800H Full Xov Xwm Nickel Ocoy loj ntsia ntsia ntsia liaj qhov rooj

Nws muaj tsawg los yog tsis muaj kev tawm tsam tshwm sim hauv chav thiab nce qhov kub thiab kub hauv cov pa roj av qhuav, xws li chlorine lossis hydrogen chloride. Ntawm qhov kub thiab txias txog 550c hauv cov xov xwm, cov alloy tau pom tias yog ib qho ntawm cov feem ntau tiv thaiv ntawm cov alloys nquag.

321 stainless hlau txiv ntoo yog siv nyob rau ntau hom ntawv thov. 321 cov khoom siv yog cov hlau ruaj khov stainless hlau. Lub caij no, Stainless Hlau Unu S32100 hex bolts yog ib pawg Austenitic alloy, tib yam li alloy 304, tab sis muaj tsawg kawg 5 zaug ntau titanium dua carbon. Cov khoom muaj 17% npib chromium, 9% npib tsib xee thiab titanium thiab ruaj khov nrog carbon, manganese, nitrogen, phosphorus, phosphorus, sulfur thiab silicon.

Alloy C276 yog npib tsib xee, chromium thiab molybdenum alloy. Hastelloy C276 yog tsim los rau kev txhim kho corrosion zoo nkauj thiab oxidation tsis kam nyob rau ntau qhov chaw ib puag ncig. Cov alloys kuj tseem pom tsis kam rau pitting thiab crevice corrosion.

310s Dub Teeb Stainless Hlau Hexagons Lub Taub Hau ATM 310S Hexagon Npog Lub Taub Hau

Lub taub hau hex taub hau yog lub taub hau nrawm dua nrog ib qho ntawm ib qho, tsim qauv nrog rau ib qho kev sib sau ua ke hu ua txiv ntoo, tig mus ua kom nruj lossis xoob qis lub ntsej muag. Alloy 316 yog molybdenum-uas muaj cov roj me me uas muaj 18% chromium, 8% npib tsib caug, thiab 2-3% molybdenum.

Monel K500 Fasteners yog nagitation tawv tawv thiab tooj liab los ua haujlwm thoob plaws ib colo. Cov fasteners tau tsim rau kev tiv thaiv corrosion zoo heev thiab muaj kev nyuaj siab thiab muaj zog. Alyoyk500 yog npib tsib xee-tooj ​​liab uas muaj hnub nyoog-hardened los ntawm kev ntxiv ntawm txhuas thiab titanium alloys.

Cov tawv tawv ntawm cov hlau me me yog RB70 \ / 85. Qhov chaw uas yuav tsum muaj zog thiab hnav tsis kam lossis rau kev siv hauv cov pa roj teeb sib xyaw los ntawm cov pa roj carbon hlau lossis cov ntaub ntawv tawv. Chromate txheej tuaj yeem muab kev tiv thaiv corrosion. Cov khoom siv hlau ua rau cov roj carbon hlau yog siv rau kev lag luam nrawm.

Incoloy alloys muaj rau cov tsev neeg tsis muaj peev xwm. Qhov no txhais tau tias cov alloy tuaj yeem siv tau ntawm qhov kub. Thaum kub siab, muaj teeb meem cuam tshuam nrog qee cov qib ntawm cov hlau stainless yog oxidation. Cov tshuaj lom neeg muaj pes tsawg leeg ntawm Incoloy 800 lub fasteners tso cai rau lawv siv thaum kub siab. Qhov ntau dua cov ntsiab lus carbon, ntau txoj hmoo lawv yuav tsum tau tawm kom muaj qhov kub siab. Yog li ntawd, cov chaw tsim khoom tsim derivative alloys ntawm unsloys, hu ua alloy 800ht, uas muaj cov tshuaj sib txawv me ntsis.

Inconel 725 Bolts yog ib qho alloy ntawm npib tsib xee, cobalt thiab niobium uas yog corrosion resistant, hardenable thiab tsis muaj zog heev. Lub zog ntawm cov alloy no tau nce los ntawm kev kho cua sov rau kev ua kom siab thiab du.

Ht yeeb nkab yog tus thawj coj hauv kev lag luam tsis muaj txiaj ntsig, muab cov khoom siv roj carbon steels, thiab cov hlau txuas tawm ntawm txhua qhov ntau thiab tsawg, suav nrog txhua qib. Cov khoom lag luam dav dav tag nrho cov qauv thiab cov kev xav tau ntawm kev lag luam, muab cov khoom lag luam zoo uas koj tuaj yeem siv nrog kev ntseeg siab

Sab hauv yog ib txwm ncig; Qhov no yog vim tias qhov no yog qhov twg ntsia ntsia qia haum, thiab cov ntsia liaj qhov loj ib txwm cylindrical nyob rau hauv cov duab yog li nws tuaj yeem tig yooj yim thiab haum rau hauv cov xov. Ob tug neeg koom tes (i.e., Neeg ceev thiab bolts) tau tuav ua ke los ntawm kev sib txhuam ntawm lawv cov xov, & compression ntawm ib feem los koom ua ke. Cov txiv ntoo tuaj nrog cais cov tshuab ntsuas lub tshuab uas txwv tsis pub siv lub tshuab ntawm loosening vim qhov kev co los yog qhov uas lawv koom nrog. Lawv feem ntau yog ntawm ib ncig ntawm ntu-seem.

Cov txiv ntoo no yog 100% 18-8 (304) cov qauv ntawm cov neeg muaj feem ntau tshaj plaws, yog li lawv tau ntev dua li lwm cov txiv ntoo nyob rau hauv kev ua lag luam hnub no.

Qee qhov zoo ntawm kev siv Super Duplex fasteners suav nrog lub zog ntawm lub zog, muaj zog heev zog thiab zoo heev corrosion tsis kam.

Alloy 600 muaj qhov kub thiab txias ua haujlwm nyob rau hauv anealed mob. Kev ua haujlwm kub yuav tsum tau ua saum toj no 1600¡ÃF (871¡ÃC) kom ntseeg tau tias tsim nyog dua, thaum txias ua haujlwm yuav tsum ua qis dua 1200¡Ãf (649¡Ãc).

Ib tug txiv ntoo yog ib lub xov threastener uas tuaj yeem siv nrog lub ntsia liaj qhov rooj kom ruaj ntseg ib qho chaw, khoom, thiab cov khoom siv rau ntau yam kev siv. Monel 500 alloy muab cov txiaj ntsig luv luv thiab cov sij hawm ntev thaum siv ua cov khoom siv rau kev ua rau txiv ntoo. Monel Nickel tooj liab K500 tus txiv ntoo muab lub zog thiab corrosion tsis kam ntawm ob qho chaw acidic thiab alkaline ib puag ncig. Monel Nickel tooj liab K500 tus txiv ntoo kuj tseem paub rau lawv cov txiaj ntsig kev ua kom zoo thiab xeb hauv cov dej ntsev thiab hydrofluoric acid.

Cov pa roj carbon hlau tau txhais tias cov hlau nrog cov ntsiab lus carbon tsis zoo tshaj 2.1% los ntawm qhov hnyav. Carbon steel bolts ua nyuaj thiab nce hauv lub zog tom qab kev kho cua sov li cov pa roj carbon ntau ntxiv. Txawm li cas los xij, qhov ductility ntawm cov hlau txo.

Al6XX cov khoom siv tau paub rau nws cov amazing corrosion tsis kam. Nws yog dav siv vim nws lub zog siab, Weldability zoo, zoo formability thiab zoo corrosion tsis kam. Cov tswv tau tsim kom muaj qhov raug xa rov qab vim nws muab cov nqi ruaj khov thiab txhim khu kev qha. Cov alotots Al6XN Washer tau txais cov khoom siv uas tsim tau rau cov ntaub ntawv tshwj xeeb hauv tebchaws thiab thoob ntiaj teb. Vim nws cov kev ua tau zoo, corrosion tsis kam thiab ua tau zoo tshaj plaws, peb kuj tuaj yeem kho qhov xav tau ntawm peb cov neeg siv khoom.

Alloy 20 cov phiaj xwm bolts yog sab nraud xov tsis muaj taub hau, siv nrog 2 tus txiv ntoo ntawm ob tog, hloov ib txwm "ntsia liaj qhov rooj & Txiv ntseej" los ua ke. Kev kho tsheb tau siv cov khoom siv Flange. Ua raws li lawv cov qauv tsim thiab cov qauv xov, muaj ntau hom kev sib txawv ntawm cov hauv paus hauv qab no.

317 stainless hlau, tseem hu ua S31700 thiab qib 317, muaj 20 feem pua ​​Chromium thiab ib co pes tsawg xyoo, nrog 20 feem pua, uas yog leej faj, silicon, thiab hlau. ASTM A276 317 Cov ntaub ntawv nws tuaj yeem tau hais meej tias cov rebar yog ib qho ntawm cov qauv kev tsim khoom lossis kev lag luam uas nyob ntawm tshuab.

Hastelloy B3 cov lus qhia tau tsim rau txhua daim ntawv thov uas yav dhau los yuav tsum tau siv Hastelloy B2 alloy. Vim yog lub zog ua kom khov kho qhov hluav taws xob ntawm hastelloy b3 square bolts, cov teeb meem cuam tshuam nrog kev tsim tshuaj hastellloy b2 feem yog txo.

Inconel 725 paub tias tsis yog N07725 as txiv ntoo, yog cov tshuaj tivthaiv, yog cov tshuaj tivthaiv thiab muaj hnub nyoog nyuaj rau lub zog heev. Nws yog siv nyob rau hauv ib puag ncig ntawm cov neeg muaj kev xeb hnyav. Hnub nyoog Hardened Alloy 725 Txiv Ntseej yog ob zaug kom muaj zog li annealed alloy 625 Hex txiv ntoo yog qhov kev xaiv zoo heev rau cov khoom lag luam petrochemical thiab cov txheej txheem kev lag luam. Lawv kuj yog siv nyob rau hauv cov ntawv thov marine uas muaj lub zog tiv thaiv corrosion, pitting dej hiav txwv yog qhov yuav tsum tau ua.

HT cov yeeb nkab tsim thiab faib cov carbon steel fackenerers suav nrog u-bolts, studs, bolts bolts thiab ntau dua. Cov hlau roj carbon steel yog ib qho khoom siv rau cov fasteners vim nws lub zog zoo tensile thiab muaj peev xwm tiv lub zog. Nws teb zoo rau kev kho cua sov nrog kev ua haujlwm tsawg kawg ua haujlwm thiab brittleness.

Cov khoom siv muaj tsawg kawg yog los lub zog muaj zog ntawm 205 MPa thiab qhov tsawg kawg tensile lub zog ntawm 515 MPA. Cov kev ntseeg no ua rau lub zog kom haum rau qhov kub thiab cov kev siv siab zoo ib yam nkaus. SS 316 Txiv Ntseej ntsia ntsia ntsia liaj qhov rai npe sib txawv sib txawv ntawm cov chaw muag khoom, cov khoom lag luam ceev thiab xa khoom. Ib qho ntawm cov laj thawj rau lub tshuab zoo dua thiab cov khoom siv lub cev ntawm hom 316 stainless hlau fackeners yog cov muaj pes tsawg leeg ntawm cov alloy. Lub alloy ntawm 316 stainless hlau screws yog yeej muaj li ntawm peb tus tseem ceeb tshaj plaws - chromium, npib tsib xee thiab molybdenum.

Lub microstructure thiab muaj pes tsawg leeg ntawm lub ob 2205 alloy muab corrosion tsis zoo rau hom 316 lossis 317 nyob rau hauv ntau cov chaw ib puag ncig yog ntau tshaj ob npaug ntawm cov pa roj tsis huv.

Ib tug txiv ntoo yog ib yam me me hlau nrog lub qhov nyob hauv nruab nrab uas muaj lub qhov. Cov qhov nkhaus qhov no yog lub npe hu ua xov. Cov txiv ntoo yog siv los ua cov khoom siv nrawm nrawm. Nws yog ib qho tseem ceeb kom nco ntsoov tias evens txawm siv los ua cov khoom siv nrawm nrawm, lawv tsis tuaj yeem siv tsis muaj bolts. Yuav kom nkag siab txog qhov no, peb yuav tsum nkag siab cov duab ntawm walnuts. Sab nraud ntawm nws lub cev tuaj yeem ua tau zoo li txoj kev, tab sis nws yog feem ntau hexagonal cap lossis ncig ua ke.

ASTM A320 qib l7 yog cov khoom siv cov ntaub ntawv tshwj xeeb rau bolts, studs, neeg rau, thiab lwm lub freakeners tsim rau cov kev siv hluav taws kub kub. ASTM A320 L7 Cov qib tau muab faib ua 4 chav kawm ua tiav, A, B, C, thiab D, cov kev ntxhov siab sib txawv. Chav kawm 660 lub fasteners yog siv los kub balers, cov hlab ntsha siab, cov yeeb nkab flanges thiab li qub rau kev kub kub.