Steel yeeb nkab fittings

SS 316H forged Tee yog ib qho kev sib txuas luv nrog cov transverse kev txuas ntawm txoj cai ces kaum rau cov yeeb nkab. Feem ntau siv los txuas cov kav dej ntau rau ib qho yeeb nkab nrog ob qho hluav taws xob. Feem ntau, lawv muaj kev nkag. Lub SS 316 forged hla yog siv los ua ke los yog faib cov kav dej ntawm cov kav dej sib txuas ntawm cov pob qij txha thiab cais cov ntws los ntawm txhua cov yeeb nkab.

Ib qho tseem ceeb ntawm Incoloy uncoloy uncoloy uncoloy uncoloy tsis yog tias ua rau pom cov khoom siv kub huab cua zoo, tab sis kuj ua tau zoo ntawm cov chaw kub txog 1000¡Ãf.

Siab ustenitic welds yog ntau dua feem ntau yuav tawg thaum lub sij hawm vuam. Vim li no, hom 316 thiab hom 316L "txuam" cov cuab yeej siv me me tau tsim los kho nrog me me ntawm ferrite nyob rau hauv lub microstructure kom txo tau cov kev sib cav sib ceg.

Annealing yog txheej txheem kev kho cua sov feem ntau yog siv los ua kom nce siab thiab txo cov tawv tawv ntawm cov khoom. Qhov kev hloov pauv ntawm hardness thiab duction yog qhov tshwm sim ntawm kev txo qis ntawm cov kev tsis sib haum xeeb hauv cov qauv siv lead ua ntawm cov khoom siv anealed. Annealing feem ntau tau ua tom qab cov khoom tau dhau los ua ib qho kev ua haujlwm tawv lossis txias los tiv thaiv nws lub ntsej muag tsis ua haujlwm lossis ua kom yooj yim dua los daws tom qab.

Qib 825 Incoloy alloy siv los ua taub qab welded yeeb nkab fittings tau muaj siab corrosion tsis kam. Nws muaj cov ntsiab lus siab tsib xee, txaus kom tiv thaiv chloride ion muaj kev ntxhov siab corrosion, thiab ib qho qauv ruaj khov.

Kev Kho Cua Sov Rau Cov Hlau Stainless thiab Hlau Alloys
Tsis zoo li lwm hom hlau xws li 304 thiab 306, lub 316L Stainless hlau Alloy tuaj yeem siv ntau yam kev siv rau qhov twg siab corrosion yuav tsum muaj. Piv txwv li, cov kws tshaj lij hauv cov tshuaj thiab cov tshuaj lag luam siv nws ua rau kev phais cov cuab yeej thiab kev cog phom.

Kev daws kev kho kom sov thiab annealing yog cov txheej txheem ntau rau kev kho cua sov ntawm cov hlau uas tsis muaj hlau. Hauv kuv tsab xov xwm kawg, Kuv tau saib cov txheej txheem kho cua sov rau cov hlau ferrous zoo li hlau. Niaj hnub no koj yuav kawm txog cov txheej txheem kho cua sov, suav nrog kev kho kom sov thiab annealing. Koj tseem yuav kawm txog kev ua nag ua tawv tawv, Nitrividing, ua haujlwm txias, Decarburization.

Stainless hlau 316 yog Molybdenum Austenitic alloy uas muaj kev tiv taus corrosive thiab chloride ib puag ncig. Feem ntau, cov qib no ntawm cov hlau stainless yog siv rau hauv kev ua pa tawm, kev sib pauv hluav taws xob, dav hlau tshuab thiab ntau lwm yam kev siv.

Txhawm rau ua kom cov qauv thiab muaj pes tsawg leeg ntawm stainless hlau casting cov khoom sib txuam, vim tias qhov tshwj xeeb tshaj yog rau cov roj raw, vim tias qhov ntsuas txias yog tsis zoo ib yam, ua rau tsis muaj micstructived. Nrog kub siab, cov hauj lwm atomic ua kom muaj zog thiab cov theem |ò dissolves, thiab nws cov tshuaj lom neeg cov tshuaj lom neeg yuav tsis zoo. Ib qho kev hnav khaub ncaws ib leeg-theem yog tau tom qab txias sai sai.

Kev daws Annealing (tseem xa mus rau cov kev daws teeb meem) yog ib qho txheej txheem kev kho cua sov uas muaj ntau cov tsev neeg ntawm cov hlau. Stainless hlau, aluminium alloys, npib tsib xee-based superalloys, titanium alloys, thiab qee cov topper-allys tag nrho cov yuav xav tau kev daws teeb meem.

Qhov kev daws teeb meem kev daws teeb meem kev kho mob yuav tsum muaj ua ntej hnub nyoog ua kom tawv nqaij tawv. Ib theem microstructure tau tsim thaum lub sij hawm daws annealing yog yuav tsum ua ntej hnub nyoog ua tsaug rau thaum lub sijhawm ua kom tawv tawv yuav muaj nyob hauv cov khoom kawg. Qhov muaj pes tsawg leeg, qhov loj me, thiab ntau npaum li cas cov neeg ua ntej ua ntej siv thaum laus yuav txiav txim cov khoom kawg, thiab lub zog ntxiv tom qab kev laus. Nws yog qhov tseem ceeb uas tus qauv tau muab kho kom zoo ua ntej kev laus txhawm rau kom tau raws li txhua qhov yuav tsum tau ua.

Txhawm rau rov qab ua kom muaj qhov tsis muaj mob corrosion tsis kam ntawm cov hlau stainless hlau. Lub corrosion tsis kam ntawm cov hlau stainless tsawg dua tom qab kev nqis peev casting. Lub corrosion tsis kam ntawm stainless hlau castings zoo rov qab rau qhov zoo tshaj plaws lub xeev tom qab kev kho ntshav.

ASTM A403 W317L yog Molybdenum Cov kabmob, Cov ntsiab lus tsis tshua muaj cov roj av "L" Aubli Ausenitic Stainless hlau uas muab kev txhim kho corrosion ntau tshaj 304L thiab 316L thiab 316L stainless hlau. ASTM A403 w317 yeeb nkab fittings tuaj yeem hloov kho ntawm stainless hlau 317l yeeb nkab fittings.

316L stainless hlau yog ib qho kev sib txuam ntawm kev ua haujlwm feem ntau hu ua "Marine qib stainless hlau" vim tias nws siv nyob rau hauv ze li 90% ntawm cov ntawv thov marine - suav nrog kev lim dej. Ntxiv rau cov hlau xws li hlau thiab npib tsib xee, 316L muaj 16-18% chromium thiab 2-3% molybdenum. Cov ntsiab no yog qhov tseem ceeb vim tias lawv txhim kho lub corrosion ntawm corrosion; Chromium sib cuam tshuam nrog oxygen nyob rau hauv dej hiav txwv los ua txheej tiv thaiv oxide, thaum molybdenum txhim kho cov hlau ua kom pitting corrosion. Ib qho ntxiv, 316L muaj cov ntsiab lus roj carbon qis (li no siv "l" hauv nws lub npe), uas muab nws kev tiv thaiv zoo dua rau kev xeb.

Qib 1.440 lossis 316L yog ib tug Austenitic Stainless Hlau AISI 316 nrog heev zoo corrosion distance vim nws cov ntsiab lus chromium thiab molybdenum cov ntsiab lus thiab cov ntsiab lus muaj roj carbon. Nws lub zog hauv lub xeev tawv yog li ntawm 600 mpa rau cov kab uas loj loj, tab sis rau cov ntu me me, lub zog tuaj yeem nce los ntawm kev ua haujlwm txias.

Ntawm ntau cov ntawv thov, cov khoom lag luam suav nrog cov cuab yeej rau kev siv tshuab, tshuaj lom neeg, kev saib xyuas, khoom noj thiab dej haus.

316L yuav siv tau

Annealing ntawm 1050 thiab 1080¡Ãx¡-tau ua tom qab forging, ua raws li los ntawm restore corrosion tsis kam, tab sis tsis muaj kev kho cua sov kom tawv 316L.

Rau cov kev siv kub kub, lub siab carbon variant 316h stainless hlau thiab stabilized qib 316ti stainless hlau yuav tsum tau siv.

Tus qauv Austenitic ntawm 316 stainless hlau muab cov tawv muaj zog zoo txawm tias tsis kub.

Stainless Qib 316TI muaj qhov me me ntawm titanium. Cov ntsiab lus titanium feem ntau tsuas yog nyob ib ncig 0.5%. Titanium atoms ruaj khov tus qauv ntawm 316 ntawm qhov kub ntawm ntau tshaj ntawm 800¡Ãc.

Thaum 300 series stainless cov hlau yog nrov heev, lawv tsis yog thoob ntiaj teb tsim nyog rau tag nrho cov txheej txheem cov txheej txheem kev siv piping daim ntawv thov. Piv txwv li, txawm hais tias lawv yog corrosion resistant, 300 series formulations tsis ua tau zoo nyob rau hauv muaj ntawm chlorides. Hauv cov xwm txheej no, cov hlau nrog ntau dua cov ntsiab lus ntau dua li molybdenum, chromium thiab npib tsib xee yog nyiam.

Hom 316 yog ntau tiv taus rau cov sulfuric acid daws teeb meem tshaj lwm yam chromium-tsib xee. Hom 316 tiv taus cov kua qaub ntev txog 5% ntawm qhov kub thiab txias txog 120¡ÃF (49¡ÃF). Cov hom no tau tiv thaiv zoo heev rau cov kev cuam tshuam ntau dua ntawm qhov kub hauv qab 100¡u F (38¡Ã C).

Feem ntau, hom 316 qib yuav raug suav tias muaj kev sib luag zoo nyob rau hauv ib puag ncig ib puag ncig. Ib qho kev zam tseem ceeb yog intergranular corrosion nyob rau hauv lub tshav kub-cuam tshuam rau welds nyob rau hauv cov chaw muaj kev sib txuam txaus. Hauv cov xov xwm zoo li no, hom 316L yog qhov tsim nyog rau kev siv vuam dua hom 316 vim tias cov ntsiab lus muaj roj carbon ntau ntxiv rau hauv kev txhim kho corrosion.

Type 316 alloy is considered suitable for some marine environment applications, such as ship rails and hardware, and the exterior walls of buildings near the ocean that are exposed to salt spray. Hom 316 Stainless hlau qhia tsis muaj pov thawj ntawm kev corrosion hauv 100-teev, 5% kev sim.

Kev txhawb nqa lossis ntev nthuav dav ntawm hom 316L rau 800-1500ÃF (427-816¡Ãc) yuav muaj kev phom sij. Ib qho ntxiv, kev nyuaj siab kev daws teeb meem nruab nrab ntawm 100-1500ÃF (593-816¡Ãc) tej zaum yuav ua rau hom me me embrittlitty.

Austenitic stainless hlau yog raug rau kev ntxhov siab corrosion cracking (SCC) hauv cov av halc. Txawm hais tias hom 316 alloys muaj kev tiv taus scc ntau dua 18cr-8 ni alloys vim lawv molybdenum cov ntsiab lus, lawv tseem muaj kev pheej hmoo. Cov mob uas tsim scc no yog: (1) Lub xub ntiag ntawm cov hales (feem ntau cormal

Annealing yog lub tshav kub kho txheej txheem uas cov ulters microstructure ntawm cov khoom siv los hloov nws cov cuab yeej siv hluav taws xob. Feem ntau, hauv cov hlau, annealing yog siv los txo tus hardness, nce ductility thiab pab tshem tawm sab hauv kev ntxhov siab.

Annealing yog txheej txheem tshwj xeeb ntawm kev kho cua sov uas cov ulters cov khoom ntawm cov hlau. Thaum muaj ntau hom kev kho cua sov, annealing yog nrov vim tias nws nce dasability thiab txo tawv tawv.

Incoloy 825 alloy yog npib npib tsib xee-chromium alloy uas sib koom tes molybdenum, tooj thiab titanium rau kev tiv thaiv zoo rau cov chaw corrosive. Incoloy 825 yog kev txhim kho corrosion heev. Nws muaj cov ntsiab lus tsib xee loj, txaus kom tiv thaiv chloride ion kev ntxhov siab corrosion tawg, thiab muaj kev teeb tsa ruaj khov.

Kev daws teeb meem kub316 stainless hlau ntswj xov fittings NPT 316S31 Coupling
Duplex Steel Daim Hlau & Cov Ntawv Qhia & Coils

Kev kho cov tshuaj yog qhov kev kho cua sov feem ntau cov txheej txheem cua sov tom qab Stainless Hlau casting txheej txheem. The carbide phase is completely or substantially dissolved after the austenitic stainless steel is heated to about 1100 ¡ãC .