ASTM A192 Cov Lus Qhia Tshwj Xeeb:Standard Specification rau Seamless Carbon Steel Boiler Tubes rau High-Pressure Service.
Qhov kev qhia tshwj xeeb no suav nrog qhov tsawg kawg ntawm phab ntsa thickness, seamless carbon steel boiler, thiab superheater raj rau kev pabcuam siab.
Navigation Khawm
ASTM A192 Loj Ntau Yam
Sab nraud Dia: 12.7-177.8mm1/2-7 ib.]
Yam tsawg kawg nkaus phab ntsa thickness: 2.2-25.4mm [0.085-1in.]
Tubing muaj lwm qhov ntev yuav raug muab tso rau, yog tias cov raj no ua tau raws li tag nrho lwm cov kev cai ntawm qhov kev qhia no.
Kev tsim khoom
Tubes yuav tsum seamless thiab kub los yog txias ua hauj lwm raws li teev ua.
ASTM A192 yog ob txoj kev tsim khoom tseem ceeb rau seamless steel yeeb nkab: txias rub thiab kub dov.
Kev kho cua sov
Thaum tshav kub kub kho ntawm 1200℉ [650 ℃] lossis siab dua tom qab qhov kawg ntawm qhov nqus dej txias.
Dimensional Tolerances
Cov ntaub ntawv muab yuav tsum ua raws li cov cai ntawm ASTM A450.
| Dimensional kam rau ua | ||
| Sau npe | xaiv | thaj tsam |
| Pawg | DN≤38.1mm [NPS 11/2] | + 12% |
| DN 38.1 hli [NPS 11/2] | +13% | |
| Txoj kab uas hla | DN≤38.1mm [NPS 11/2] | + 20% |
| DN 38.1 hli [NPS 11/2] | + 22% | |
| Ntev | DN 50.8 hli [NPS 2] | + 5 hli [NPS 3/16] |
| DN≥50.8mm [NPS 2] | + 3 hli [NPS 1/8] | |
| Ncaj thiab tiav | Cov hlab tiav yuav tsum ncaj ncaj thiab muaj qhov kawg tsis muaj burrs. | |
| Kev Kho Mob | Ib qho kev tsis sib xws lossis qhov tsis sib xws uas pom hauv lub raj yuav raug tshem tawm los ntawm kev sib tsoo, yog tias lub ntsej muag du yog khaws cia, thiab cov phab ntsa thickness tsis txo qis dua qhov tso cai los ntawm qhov no lossis cov khoom specification. | |
ASTM A192 Pipe Weight Tshuab xam zauv
Lub cev hnyav yog:
M = (DT) × T × C
Myog qhov loj ntawm ib chav tsev ntev;
Dyog qhov teev sab nraud txoj kab uas hla, qhia hauv millimeters (inch);
T yog lub thickness ntawm phab ntsa, qhia nyob rau hauv millimeters (inch);
Cyog 0.0246615 rau kev suav hauv SI units thiab 10.69 rau kev suav hauv USC units.
Yog tias koj xav paub ntau ntxiv txog cov hlaulub cev nyhavthiabcev teem, nyem qhov no!
ASTM A192 Kev Xeem
Kev sim siv cov qauv
| Kuaj | Txuj |
| Chemical Cheebtsam | ASTM A450 Tshooj 6 |
| Mechanical Tests | ASTM A450 Tshooj 7 |
| Kev ntsuam xyuas | ASTM A450 Tshooj 19 |
| Flaring xeem | ASTM A450 Tshooj 21 |
| Hardness Test | ASTM A450 Tshooj 23 |
| Hydraulic siab xeem | ASTM A450 Tshooj 24 |
| Kev kuaj tsis raug | ASTM A450, Ntu 26 |
Cov qauv no muaj cov cai tshwj xeeb rau cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab: lwm yam kev sim xa mus rau ASTM A450.
Chemical Cheebtsam
| Chemical Cheebtsam | |
| C(Carbon) | 0.06-0.18 dr hab |
| Mn(Manganese) | 0.27-0.63 Nws |
| P(Phosphorus) | ≤ 0.035 |
| S(Sulfur) | ≤ 0.035 |
| Si(Silicon) | ≤ 0.25 |
| Nws tsis raug tso cai los muab cov qib alloy uas qhia meej txog qhov sib ntxiv ntawm cov khoom uas tsis yog cov teev saum toj no. | |
Tensile Properties
| Tensile Requirements | |||
| Sau npe | kev faib tawm | tus nqi | |
| Tensile zog, min | ksi ua | 47 | |
| MPa | 325 | ||
| Yield zog, min | ksi ua | 26 | |
| MPa | 180 | ||
| Elongation hauv 50mm (2 hauv), min | % | 35 | |
Cov ntsiab lus tseem ceeb ntawm Kev Ntsuas
Nws yuav tsum raug cim kom meej:
manufacturers lub npe lossis hom
tus lej specification,qib
lub npe thiab tus lej xaj ntawm tus neeg yuav khoom
kub los yog txias ua.
Nco tseg: Cov cim yuav tsum tsis suav nrog hnub xyoo ntawm qhov kev qhia tshwj xeeb no.
Rau tubes tsawg dua 11/4nyob rau hauv. [31.8 mm] nyob rau hauv txoj kab uas hla thiab hlab nyob rau hauv 3 ft [1 m] nyob rau hauv ntev, cov ntaub ntawv yuav tsum tau muab cim rau ntawm ib tug tag ruaj ntseg txuas rau lub nras los yog lub thawv uas cov hlab raug xa mus.
Kev ua haujlwm ntxiv
Thaum muas thiab siv ASTM A192 yeeb nkab, qhov kawg siv ib puag ncig thiab cov neeg siv tshwj xeeb yuav tsum tau ua ntxiv:
Xim los yog Txheej
Cov xim tsis muaj xeb lossis lwm cov txheej tiv thaiv tuaj yeem siv rau saum npoo.Cov coatings no muab qee qhov kev tiv thaiv corrosion, tshwj xeeb tshaj yog tias lub boiler raj raug dej noo.
Anti-corrosion kev kho mob
Ntxiv nrog rau kev pleev xim, lwm yam kev kho mob los tiv thaiv corrosion xws li galvanizing, aluminizing, los yog txheej nrog lwm cov ntaub ntawv los tiv thaiv corrosion kuj yuav siv tau los pab ua kom lub kav ntev ntawm lub raj hauv qhov chaw hnyav.
Kev kho cua sov
Txawm hais tias ASTM A192 qhia meej txog kev tsim khoom thiab kev sim cov yeeb nkab, hauv qee qhov kev siv cov kev kho cua sov ntxiv (xws li, normalizing, annealing) yuav tsum tau ua kom tiav cov khoom siv tshwj xeeb lossis txhim kho microstructure ntawm cov yeeb nkab.
Internal thiab External Surface Finishes
Sab hauv thiab sab nrauv ntawm cov raj boiler yuav tsum tau ua hauv av, polished, los yog ntxuav kom zoo dua cov dej ntws los yog kev huv.
Xaus machining
Nyob ntawm seb qhov yuav tsum tau ua rau kev teeb tsa thiab kev sib txuas, qhov kawg ntawm cov hlab boiler yuav tsum tau threaded, chamfered, los yog lwm yam machined los pab txhawb installation.
Kev tshuaj xyuas ntxiv
Txhawm rau kom ntseeg tau tias cov raj ua tau raws li ASTM A192 thiab cov neeg siv khoom tshwj xeeb, kev tshuaj xyuas ntxiv yuav raug ua.Piv txwv li, kuaj ultrasonic, kuaj X-ray, thiab lwm yam.
Daim ntawv thov tshwj xeeb
Tshwj xeeb hauv seamless carbon steel boiler thiab superheater raj.Cov raj no feem ntau yog siv rau cov kev pabcuam siab xws li high-pressure boilers, ultra-high-pressure boilers, thiab cov cuab yeej ua haujlwm nyob rau hauv high-temperature thiab high-pressure ib puag ncig.
Cov hauv qab no yog cov ntawv thov ntawm ASTM A192 steel yeeb nkab hauv kev xyaum:
High-pressure boilers
ASTM A192 seamless raj yog tshwj xeeb tshaj yog tsim rau kev tsim superheater raj, dej kub boiler raj, chav conduits, loj flue raj, thiab lwm yam.Feem ntau siv rau hauv cov chaw nres tsheb fais fab, cov chaw tsim khoom thiab cov mines thiab cov cuab yeej siv tshuaj, siv los tsim cov khoom kub thiab kub siab.
Ultra-siab siab boilers
ASTM A192 raj yog dav siv nyob rau hauv ultra-high-pressure (feem ntau hu ua boilers nrog ua hauj lwm siab tshaj 9.8 MPa) daim ntaub ntawv.Cov boilers no feem ntau yog siv rau hauv cov chaw nres tsheb loj.
Superheaters thiab reheaters
Cov no yog cov khoom tseem ceeb ntawm lub boiler thiab yog siv los ua kom qhov kub thiab txias ntawm chav, uas ua rau kom cov thermal efficiency ntawm tag nrho cov system.
Kub exchangers
Txawm hais tias ASTM A192 feem ntau yog siv rau cov raj boiler, nws tseem tuaj yeem siv rau hauv cov khoom siv hluav taws xob uas yuav tsum tau ua kom muaj cua sov zoo, tshwj xeeb tshaj yog nyob rau hauv high-temperature, high-pressure puag ncig.
Thermal Roj Boilers
Nyob rau hauv hom boiler no, thermal zog yog pauv los ntawm cov cua sov thermal roj, feem ntau siv nyob rau hauv cov tshuaj, zaub mov ua, thiab textile industries.astm a192 tubing yog qhov tsim nyog rau qhov kub thiab txias, siab siab nyob rau hauv cov ntawv thov no.
Cov qauv tsim nyog
ASTM A192 Cov Lus Qhia Tshwj Xeeb: Rau seamless carbon steel boiler raj rau high-pressure boilers.
ASTM A179 Cov khoom lag luam: Seamless txias-drawn me me steel tshav kub exchanger thiab condenser raj rau cov uas tsis muaj kub.
ASTM A 210 Cov Lus Qhia: Seamless nruab nrab carbon steel boiler thiab superheater raj.
ASTM A 213: Seamless ferritic thiab austenitic alloy steel boiler, superheater, thiab tshav kub exchanger raj.
ASTM A106 1: Seamless carbon steel raj rau kev pabcuam kub.
ASTM A335 Cov Lus Qhia Tshwj Xeeb: Seamless ferritic thiab austenitic alloy steel hlab thiab cov kav dej rau kev pabcuam kub, xws li chaw nres tsheb fais fab.
ASTM A516 Cov Lus Qhia Tshwj Xeeb: Carbon steel phaj khoom haum rau nruab nrab thiab qis-kub siab cov hlab ntsha.
ASTM A 285 Cov khoom siv: Carbon steel phaj haum rau cov hlab ntsha qis mus rau nruab nrab-siab.
ASTM A387 Cov khoom lag luam: Alloy steel phaj siv hauv kev tsim cov welded boilers thiab cov hlab ntsha siab, tshwj xeeb tshaj yog qhov yuav tsum tau ua kom muaj cua sov zoo.
ASTM A53: Seamless thiab welded dub thiab kub-dip galvanized steel hlab rau dav dav thiab txhua yam qauv.
Ua ke, cov qauv no suav nrog cov khoom siv, qhov ntev ntev, cov khoom siv kho tshuab, thiab cov khoom siv tshuaj lom neeg uas yuav tsum tau siv rau hauv cov boilers, cov hlab ntsha siab, cov khoom siv hluav taws xob, thiab lwm yam., ntawm ntau qhov kub, siab, thiab kev pabcuam.
Peb cov khoom muaj feem xyuam
Botop Steel yog Tuam Tshoj Professional Welded Carbon Steel Pipes Chaw tsim tshuaj paus & cov chaw muag khoom tshaj 16 Xyoo nrog 8000+ Tons Seamless Linepipe hauv Tshuag Txhua Lub Hlis.Yog tias koj xav paub ntau ntxiv txog peb cov khoom siv yeeb nkab steel, koj tuaj yeem tiv tauj peb los muab cov khoom zoo thiab cov kev pabcuam rau koj!
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Post lub sij hawm: Apr-01-2024