ASTM A240 304 Daim Phiaj Txias Rolled Tsis S9400 Chev
Dav siv rau roj av, petrochemical, hwj chim, nkoj tsim khoom thiab muaj kev ua haujlwm zoo thiab zoo-zoo cov yeeb nkab fittings nrog ntau qhov sib txawv. Kev xa khoom sai. Zoo siab. Txhim khu kev qha program¡ £ Kev Sib Tw Nqe.Types: khoov, Luj Tshib, Reducer.
304 Stainless hlau yog qhov feem ntau cov hlau tsis muaj. Cov hlau muaj ob txoj kev chromium (nruab nrab ntawm 18% thiab 20%) thiab thib pua (nruab nrab ntawm 8%) [1] cov hlau uas yog cov qauv hlau tseem ceeb. Nws yog Austenitic stainless hlau.When nws los txog siv, SS304 tuaj yeem pom hauv chav ua noj hauv chav dej thiab lwm yam khoom siv xws li toaster thiab microwave ncu. SS304 kuj yog siv los ua kom cov hlab ntsha siab, lub log npog zoo li rau kev ua lub tsev kws ua liaj ua teb.
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.
Qhov kev haum no ces ua ib feem ntawm cov kab ke rau kev thauj cov dej (roj, roj, kua, yam ntxwv zoo, dhau los ntawm kev ncua ntev lossis ntev dua.
Cov ntsiab lus tseem ceeb hauv 304 yog chromium thiab npib tsib xee, uas muab nws zoo heev corrosion. Nws muaj zoo corrosion tsis kam, yog ducile thiab condile thiab condile, thiab muaj kev weldability zoo. Tus qauv Austenitic tso cai sib sib zog nqus duab yam tsis muaj nyiaj nruab nrab.
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.
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.