ASME B16.9 SA 182 GR F304 F316 BRFF FLANGES
304 \ / 304L tsis yog kev sib nqus nyob rau hauv anealed mob thiab tsis tuaj yeem ua rau kev kho cua sov. Hardness thiab tensile lub zog_ tuaj yeem nce los ntawm kev ua haujlwm txias, uas yuav ua rau muaj cov khoom sib nqus me ntsis. Dual uas muaj ntawv pov thawj 304 \ / 304L ua raws li 304 thiab 304L cov ntaub ntawv tshwj xeeb thiab muaj kev sib pauv tau zoo thiab muaj kev nyab xeeb rau kev siv hauv txhua daim ntawv thov.
Cov yeeb nkab stainless hlau yog siv rau cov kev siv txheem thiab cov ntawv xa khoom uas xav tau cov khoom uas stainless hlau muab cov zog tsis kam. Cov yeeb nkab muaj nyob rau hauv ntau thiab tsawg 1 \ / 2 "los ntawm 36" hauv sab nraud ntawm lub taub thiab cov sij hawm 05s los ntawm 80s thiab loj dua rau phab ntsa tuab. Nws muaj raws li welded thiab seamless. Stainless yeeb muaj npub grey, zeb tiav.
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.
Stainless hlau yuav tsum muaj tsawg kawg 10.5 feem pua chromium. Nyob ntawm cov qhab nia, nws yuav muaj ntau dua cov khoom siv chromium ntau dua li molybdenum, noy, tooj liab, nitrogen, phosphorous lossis selenium.
Stainless hlau 304 muaj cov tshuaj tiv thaiv corrosion zoo heev nyob rau hauv ntau ib puag ncig ib puag ncig thiab nyob rau hauv kev sib cuag nrog ntau cov tub ceev xwm corrosive. Pitting thiab crevice corrosion tuaj yeem tshwm sim hauv chloride ib puag ncig. Kev ntxhov siab corrosion tawg tuaj yeem tshwm sim ntawm qhov kub thiab txias hauv 60¡Ãc.
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.