Seamless Yeeb ASTM A213

1.1 Qhov kev qhia no yog siv cov xim ntses fib fab thiab steel hlau, kub kub, thiab cua kub sib txawv, xaiv cov Qib T5, TP304, thiab lwm yam. 1.2 Cov qib kawm muaj qhov txawv ntawm cov neeg kawm ntawv zoo sib xws. Cov kev cai sib txawv no yuav ua rau muaj zog dua hauv siab zog dua li ...

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1.1 Cov kev qhia no npog seamless ferritic thiab austenitic steel boiler, superheater, thiab tshav kub kub hluav taws xob, tsim cov qib T5, TP304, thiab lwm yam.

1.2 Cov qib kawm muaj qhov txawv ntawm cov neeg kawm ntawv zoo sib xws. Cov kev cai sib txawv no yuav tsum muaj siab zog tshaj qhov ua tau zoo tshaj qhov ua tau zoo hauv cov qib kawm uas tsis tas yuav tsum muaj.

1.3 Kev ntsuas qhov loj thiab feem ntau yog muab los rau qhov kev qhia no yog 1/8 ntim hauv [inch] rau hauv [inch] [5 hli] sab nraud [0] thiab 0.015 mus rau 0.500 hauv [0.4 mus rau 12.7 hli], suav nrog, hauv qhov tsawg kawg yog phab ntsa thickness los sis, yog tias teev hauv qhov kev txiav txim, nruab nrab phab ntsa thickness. Tubing muaj lwm yam diameters yuav muab coj los ua, muab cov hlua khi ua raws li tag nrho lwm yam uas hais hauv ntu no.

1.4 Cov lus teev tseg hauv SI units los yog cov ntiv tes xaum (inch-pound units) yuav tsum raug cais raws li tus qauv. Nyob rau hauv cov ntawv nyeem, cov chav nyob SI pom muaj nyob rau hauv txoj kab. Cov kev teev nyob rau hauv txhua lub system yuav tsis muaj cov nqi sib npaug sib npaug; Yog li ntawd, txhua lub cev yuav tsum yog siv ntawm nws tus kheej. Combining qhov tseem ceeb ntawm ob lub tshuab yuav ua rau tsis-muaj kev ncaj ncees nrog tus txheej txheem. Cov kauj ruam uas ntiv tes hnyav yuav tsum siv tshwj tsis yog tias "M" ntawm qhov kev qhia no yog teev nyob rau hauv qhov kev txiav txim. COV NTSIAB 1 Cov Xiam Hloov Tshuaj,% A, rau Low Alloy Steel A Siab tshaj, tshwj tsis yog muaj lossis tsawg tshaj plaws. Qhov twg ellipses (...) tshwm nyob rau hauv lub rooj no, tsis muaj qhov yuav tsum tau, thiab kev soj ntsuam rau lub caij yuav tsum tsis raug txiav txim los yog qhia. B Nws yog cai tau txiav txim kom T2 thiab T12 nrog ib tug leej faj cov ntsiab lus ntawm 0.045 max. Saib 16.3. C Xwb, nyob ntawm qhov sib txawv ntawm qhov sib txawv no, cov khoom siv yuav tsum muaj qhov nyuaj yam tsawg kawg nkaus ntawm 275 HV nyob rau hauv qhov sib xyaw sib tw, txhais tias tom qab austenitizing thiab txias rau qhov chaw sov tab sis ua ntej tempering. Kev ntsuas tawv yuav tsum tau ua kom tiav thaum nruab nrab ntawm qhov khoom siv. Kev ntsuas tus ntsuas yuav tsum yog ob qhov qauv ntawm cov khoom siv los ntawm kev kho cua kub ntau thiab qhov kev xeem ntawv nyuaj yuav tsum tau muab tshaj tawm rau ntawm daim ntawv xeem. Tom qab kuaj tas, daim ntawv xeem yuav tsum tsis pub dawb los ntawm cov kab nrib pleb los yog tawg.

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