ASTM A312 TORP36 seamless muaj steel yeeb uns s31600 smls steel yeeb nkab
Alloy 317l (tsis yog S31703) yog cov pa roj carbon corrosion pheej yig acustenitic chromium npib tsib xee molybdenum stainless hlau. Qib siab ntawm cov ntsiab lus no kom paub meej tias cov alloy muaj chloride pitting thiab corrosion tsis zoo rau kev coj ua 304 \ / 316 \ 316 xyoo. Cov alloy muab kev nce ntau ntxiv rau 316L hauv kev txhim kho kev txhim kho ib puag ncig uas muaj cov sulphur-muaj cov xov xwm, chlorides thiab lwm yam.
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.
Stainless hlau 304 \ / 304l flanges tuaj yeem tsim tawm raws li ASME B16.5 lossis ASME B16.5 lossis ASME B16.47 nrog nomall composition ntawm 18cr-8NI. Cov ntawv Å ° l¡ ± ◆ txwv tsis pub cov pa roj carbon version ntawm 304 stainless hlau. Cov flanges yuav tau los ntawm kev zam txim, cov phiaj xwm, lossis cov phiaj xwm npog ntau yam thiab cov chav kawm ASME B16.5 thiab ASME B16.47 (Ob series ib thiab series b). Stainless hlau 304 \ / 304l flanges ntawm ASME B16.5 muaj nyob hauv chav kawm 150, 300, 600, 900, 2500; uas ntawm asme B16.47 Series A muaj nyob rau hauv cov chav kawm 150, 300, 400, 600, 900; Tias ntawm ASME B16.47 Series B muaj nyob hauv cov chav kawm 75, 150, 300, 400, 600, 900.
Txhawm rau kom xa cov raj xa dej, nws yog ib qho tsim nyog los tshem cov hose ncaj hauv cov raj xa dej. Thaum siv ntau lub raj xa dej, ntau yam kav dej yuav tsum tau siv. Thaum twg cov raj xa dej siv, lub luj tshib yuav tsum tau siv los hloov qhov loj ntawm cov raj xa dej. Thaum bifurcating, peb-txoj kev xaim cov flange kev sib txuas siv thaum lub raj xa hluav taws xob thiab kev sib txuas txias thiab kev sib tw txias thiab kev sib koom ua ke txias. , Hauv kev sib txuas ntawm ntau cov twj paj nruag, kuj tseem muaj cov txuas txuas thiab ntsaws ntawm cov twj paj nruag theem.
Al6XN yog superaustenitic steel hlau nrog kev ua tau zoo rau chloride pitting, crevice corrosion thiab kev nyuaj siab corrosion tawg. Al6XN yog 6 Moly alloy uas tau tsim rau thiab siv hauv kev sib cav sib ceg siab. Nws muaj cov npib tsib xee (24%), Molybdenum (6.3%), nitriumen thiab chromium cov ntsiab lus tawg, thiab tshwj xeeb corrosion tiv thaiv. Al6XN yog feem ntau siv rau nws cov kev txhim kho pitting thiab crevice corrosion tsis kam hauv chlorides. Nws yog ib qho tsim nyog thiab weldable stainless hlau.