BelarusianS31803 fittingsLub hauv pausDupleX Steel FlangesLub hauv pausTsim cov qauv ASME B36.10 ASME B36.20

Tsim cov qauv ASME B36.10 ASME B36.20

S31803 yog cov qauv sau ua ke (tsis ua haujlwm) rau thawj lub duplex stainless hlau stainless. Cov txheej txheem tsis zoo tau tsim los ntawm cov pab pawg ua lag luam hauv xyoo 1970 los txo kev tsis meej pem thaum tib almoy tau hu ua ntau yam sib txawv, thiab hloov ua lwm yam. Txhua tus hlau yog sawv cev los ntawm ib tsab ntawv ua raws li tsib tus lej, qhov twg tsab ntawv sawv cev ntawm cov hlau series, i.E. s rau stainless hlau.

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Lub unr unic s31803 (ASTM F51) Cov lus qhia tshwj xeeb tau ua rau muaj ntau dua Superseded los ntawm Unvent S32205 (1.4462, ASTM F60). Qhov no qhia txog lawv txoj kev xav kom ua kom tiav ntawm cov khoom siv alloy, ua tsaug rau kev txhim kho AOD cov txheej txheem ntawm kev tswj hwm. Ib qho ntxiv, nws tso cai rau cuam tshuam rau cov nitrogen ntxiv qib ntxiv dua li yog tam sim no yog nyob tom qab keeb kwm. Yog li ntawd, qhov siab tshaj plaws ua tiav cov qib hloov kho kom ua kom ntau cov ntsiab lus ntawm chromium (CR), Molybdenum (mo) thiab nitrogen (n).

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Peb tus TI Qib 2 Flange, Carbon Steel A694 F60 F65 (TTM ARB, ASTM A182 S32750 Stad Bolt yog qhov tshiab hauv thev naus laus zis thiab tsim nyog hauv cov qauv. Lawv muag tau zoo nyob hauv tsev thiab txawv tebchaws thiab tau txais tos los ntawm cov neeg siv feem ntau. Los ntawm kev ua haujlwm zoo, peb vam tias yuav ua rau muaj kev loj hlob ua kom muaj kev loj hlob ntawm kev tswj hwm ib puag ncig thiab qhov tseem ceeb ntawm cov muaj zog tib neeg cov peev txheej. Tam sim no, peb tab tom siv zog ntxiv rau hauv qhov tshiab ib txwm, cia siab tsim kho tus qauv tshiab ntawm lub tuam txhab kev txhim kho hauv kev coj tshiab. Thaum nkag siab cov ntsiab lus tseem ceeb ntawm kev siv tshuab, lub tuam txhab them ntau dua los muab cov khoom lag luam thiab cov kev pabcuam zoo dua. Cov cuab yeej siv tau zoo heev, cov txuj ci kws tshaj lij, cov kev pab ntau lawm, kev lees paub zoo thiab raws sijhawm tau peb cov neeg siv khoom.

Qhov kev daws teeb meem kev kho kom sov ntawm 304 \ / 304l stainless hlau yeeb nkab steel yog 1080-1100Læ, dej txias lossis cua txias. Qhov nruab nrab annealing kub ntawm kev ua haujlwm txias yog 850-970 ¡Ã Ã c, thiab dej txias tom qab lub sijhawm. Tus qauv hlau yog Austenite tom qab kev kho ntshav tom qab kev kho mob, thiab qee zaum muaj ib qho me me ntawm ferrite.

International Stainless Hlau Txawv Txawv Txoj Cai Lub Tebchaws Asmeskas Hlau thiab Hlau Lub Koom Haum Siv Peb Tus lej los cim ntau cov qauv ntawm cov kab mob stainless. Ntawm lawv: ¢ atausustenitic stainless hlau yog cim nrog 200 thiab 300 series cov lej. For example, some of the more common austenitic stainless steels are marked with 302, 304, 316 and 310, ¢ÚFerritic and martensitic stainless steels are used The number of the 400 series is represented. ¢ferritic stainless hlau yog cim nrog 430 thiab 446, cov xim tawv tawv me me), muaj nag lossis 4%

Txhua yam ntawm peb cov hlau hlau stainless yog tsim los ntawm qib 304 stainless hlau, tso cai rau kev lees paub thiab muaj kev lees paub los ntawm cov mills uas peb tau ua haujlwm nrog rau ntau xyoo dhau los. Tshuaj lom neeg thiab cov ntawv pov thawj kho tshuab muaj nyob rau ntawm kev thov.
S32750 (2507) yog lub duplex stainless hlau uas sib xyaw ntau cov khoom ntawm ferritic thiab ustenitic steels. Vim nws cov ntsiab lus chromium siab thiab molybdenum cov ntsiab lus, nws ua pov thawj zoo heev rau pitting, corrosion thiab kev ua kom huv. Ob-theem microstructure kom paub meej tias cov hlau muaj lub siab tiv thaiv kom ntxhov siab corrosion thiab muaj zog dua. Tsis tas li ntawd, nws tseem muaj cov yam ntxwv ntawm muaj zog tiv taus chloride pitting, siab thermal conductivity thiab tsis muaj cua sov kev nthuav dav.

Raws li ib qho ntawm cov thawj coj ua lag luam hauv Suav teb, peb sov siab txais tos koj mus yuav peb 309 stainless hlau phaj ntawv kauj. Peb lub Hoobkas kuj lees txais cov kev txiav txim siab customized. Thov tsis pub muaj kev txaus siab rau peb tus nqi sib tw thiab kev pabcuam zoo.

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