ASME SA192/SA-192M: 2021 Carbon Steel Seamless Tubes rau High-Pressure Boilers yog ib qho tseem ceeb ntawm cov khoom lag luam tshwj xeeb tsim rau cov boilers siab. Cov hauv qab no yog ib qho kev ntsuam xyuas ntxaws:
Txheej txheem cej luam
Lub npe: ASME SA192/SA-192M: 2021 Carbon Steel Seamless Tubes rau High-Pressure Boilers.
Standard: Ua raws li SA-192 / SA-192M tus qauv tsim los ntawm American Society of Mechanical Engineers (ASME). 2021 version yuav muaj cov cai tshiab thiab cov cai rau cov khoom siv no.
Tshuaj muaj pes tsawg leeg
Cov tshuaj muaj pes tsawg leeg ntawm ASME SA192 / SA-192M seamless steel hlab yog nruj me ntsis tswj xyuas kom nws cov khoom zoo heev thiab corrosion kuj. Nws feem ntau suav nrog cov hauv qab no:
Carbon (C): Cov ntsiab lus ntawm 0.06% thiab 0.18%. Cov ntsiab lus qis carbon no pab txhim kho lub toughness thiab weldability ntawm steel raj.
Silicon (Si): Cov ntsiab lus tsis tshaj 0.25%. Silicon feem ntau ua haujlwm ua deoxidizer hauv cov hlau, txhim kho nws lub zog thiab hardness, thiab tseem ua rau nws cov corrosion kuj.
Manganese (Mn): Cov ntsiab lus ntawm 0.27% thiab 0.63%. Manganese txhim khu lub zog thiab hardness ntawm steel, refines grain loj, thiab txhim kho cov hnav tsis kam thiab qaug zog tsis kam ntawm steel kav.
Phosphorus (P) thiab Sulfur (S): Cov ntsiab lus ntawm ob lub ntsiab lus impurity yog nruj me ntsis txwv rau qis dua 0.035% kom tsis txhob muaj qhov tsis xws luag xws li pob txha tawg los ntawm impurities ntau dhau.
Mechanical Properties
Tensile zog: Tsis pub tsawg tshaj 325 MPa. Lub zog tensile siab ua rau nws tuaj yeem tiv taus lub zog tensile axial tsim thaum lub sijhawm ua haujlwm siab - cov cuab yeej siv siab, kom ntseeg tau tias cov raj xa dej yuav tsis tawg hauv qhov siab.
Tawm Zog: Tsis pub tsawg tshaj 180 MPa. Yield zog txiav txim siab deformation yam ntxwv ntawm cov yeeb nkab steel nyob rau hauv kev ua hauj lwm siab, xyuas kom meej tias cov hlau yeeb nkab tsuas yog undergoes me ntsis yas deformation nyob rau hauv siab siab, tswj ib tug ruaj khov qauv.
Elongation: Tsis pub tsawg dua 35%. Zoo elongation muab cov yeeb nkab steel zoo heev toughness, tso cai rau nws tsis muaj zog los ntawm deformation thaum muaj kev cuam tshuam xws li kev hloov pauv siab thiab dej rauj, tiv thaiv nkig puas.
Hardness: Hardness tsis tshaj 77 HRB. Qhov tsim nyog hardness ntau tso cai rau cov yeeb nkab steel kom muaj lub zog txaus thiab kev ua haujlwm zoo, ua kom yooj yim rau kev ua haujlwm tom ntej xws li khoov thiab flaring.
Kev tsim khoom
ASME SA192/SA-192M seamless steel kav tuaj yeem tsim siv cov txheej txheem ua haujlwm kub lossis txias. Kub- cov kav hlau ua haujlwm tsis tas yuav tsum tau kho cua sov, thaum cov kav hlau ua haujlwm txias yuav tsum tau kho cua sov ntawm 1200℃F (kwv yees li 650 degree) lossis siab dua tom qab ua haujlwm txias txias kom tshem tawm cov kev ntxhov siab hauv kev ua haujlwm txias, txhim kho cov yeeb nkab steel microstructure thiab cov khoom siv kho tshuab, thiab txhim kho nws lub zog thiab qaug zog.
Specifications thiab Dimensions
Sab Nrauv Ntev: Feem ntau 1/2 nti rau 7 ntiv tes (piv txwv li, 12.7 mm txog 177.8 mm), tab sis lwm qhov ntau thiab tsawg kuj muaj, yog tias lawv ua tau raws li lwm cov kev cai ntawm tus qauv no.
Phab ntsa Thickness Range: Yam tsawg kawg ntawm phab ntsa thickness yog 0.085 nti rau 1.000 nti (ie, 2.2 mm txog 25.4 mm), suav nrog cov nqi ciam teb.
Length Requirements: Muaj nyob rau hauv ib qho random ntev, ob chav random ntev, lossis raws li cov neeg siv khoom xav tau; Qhov siab tshaj plaws yog feem ntau 27 m.
Cov cheeb tsam thov
ASME SA192/SA-192M seamless steel kav feem ntau yog siv rau hauv siab - cov cuab yeej siv siab xws li siab- siab boilers thiab superheaters los thauj siab - kub, siab - siab chav lossis dej kub. Lawv ua lub luag haujlwm tseem ceeb hauv cov tshuab hluav taws xob siab hauv kev lag luam xws li fais fab thiab petrochemicals, thiab yog ib qho ntawm cov khoom tseem ceeb kom ntseeg tau lub zog hloov pauv thiab kev sib kis tau zoo hauv cov kev lag luam 'cov txheej txheem tsim khoom.
Kev soj ntsuam zoo
Txhawm rau kom ntseeg tau tias qhov zoo ntawm ASME SA192 / SA-192M seamless steel kav, yuav tsum tau kuaj xyuas cov hauv qab no:
Flattening Test: Cov qauv raug coj los ntawm txhua pawg ntawm cov kav hlau rau kev sib tw flattening los xyuas kom meej cov yeeb nkab deformation muaj peev xwm thiab tiv thaiv kom tawg nyob rau hauv axial siab.
Hydraulic Pressure Test: Txhua cov yeeb nkab steel yuav tsum raug kuaj xyuas hydraulic los xyuas nws qhov kev sib khi ua haujlwm thiab kev ua haujlwm siab. Xwb, tsis yog - kev ntsuas kev puas tsuaj tuaj yeem siv los hloov qhov ntsuas hydraulic, raws li tus neeg yuav khoom xav tau.
Hauv cov ntsiab lus, ASME SA192 / SA-192M: 2021 carbon steel seamless steel kav rau siab- siab boilers, nrog lawv cov khoom zoo tshaj plaws, kev tswj cov tshuaj muaj pes tsawg leeg, thiab cov txheej txheem tsim khoom nruj thiab kev soj ntsuam zoo, tau dhau los ua cov khoom siv tseem ceeb hauv cov khoom siv siab{5} xws li kub siab.