ASTM A210 hlau raj yog ib lub raj hlau tsis muaj qhov nruab nrab uas siv ua cov raj boiler thiab superheater rau qhov kub thiab txias thiab qhov chaw siab, xws li hauv cov chaw fais fab thiab cov boilers kev lag luam.
Cov Khawm Navigation
Qhov Loj Ntau Yam ntawm ASTM A210
Cov Khoom Siv Raw
ASTM A210 Qib
ASTM A210 Cov Txheej Txheem Tsim Khoom Hlau Seamless
Kev Kho Mob Kub
Cov Cheebtsam Tshuaj
Cov Khoom Siv Kho Tshuab
Kev Ntsuas Qhov Nyuaj
Lwm Yam Kev Sim
Kev Ua Tiav Nto
Kev Tsim Cov Haujlwm
ASTM A210 Cim
Cov ntawv thov ntawm ASTM A210
Peb Cov Khoom Muaj Feem Xyuam
Qhov Loj Ntau Yam ntawm ASTM A210
Txoj kab uas hla sab nraud: 1/2nyob rau hauv (12.7mm) ≤ OD ≤5in (127mm)
Phab ntsa tuab: 0.035 nti (0.9 hli) ≤ WT ≤0.500 nti (12.7 hli)
Cov kav dej uas muaj lwm qhov ntev yuav raug muab, yog tias cov kav dej no ua raws li txhua yam kev cai ntawm cov lus qhia no.
Cov Khoom Siv Raw
Kev Xyaum Ua Hlau--Cov hlau yuav raug tua.
Cov hlau tua tuag yog hais txog kev ntxiv qee yam ntawm cov deoxidizers xws li silicon, txhuas, thiab manganese thaum lub sijhawm yaj ntawm cov hlau.
Cov tshuaj ntxiv no tuaj yeem cuam tshuam nrog cov pa oxygen hauv cov hlau kom tsim cov oxides khov kho, yog li txo cov pa oxygen hauv cov hlau thiab tiv thaiv kev tsim cov oxidizing inclusions.
ASTM A210 Qib
ASTM A210 muaj ob qib:Qib A-1 thiab Qib C.
ASTM A210 Cov Txheej Txheem Tsim Khoom Hlau Seamless
Cov kav hlau yuav tsum ua los ntawm cov txheej txheem seamless thiab yuav tsum yogkub tiav lawm or ua tiav txiasraws li tau teev tseg.
Feem ntau, cov kav hlau uas muaj txoj kab uas hla ntau dua 30 millimeters yog cov kav kub thiab cov uas muaj txoj kab uas hla tsawg dua lossis sib npaug li 30 millimeters yog cov kav txias. Txoj kev sib txawv no tsis yog qhov tseeb tab sis tuaj yeem siv ua txoj hauv kev ceev thiab yooj yim los txiav txim siab txoj kev ua cov kav hlau tsis muaj qhov.
Kev Kho Mob Kub
Tsis tas yuav kho cua sov rau cov raj kub tiav lawm.
Cov raj xa dej txias yuav tsum tau muab qhov anneal subcritical, ib qho anneal tag nrho, lossis kev kho cua sov normalizing tom qab qhov txheej txheem txias kawg.
Cov Cheebtsam Tshuaj
| Khoom | Qib A-1 | Qib C |
| C (Carbon), siab tshaj plawsA | 0.27 | 0.35 |
| Mn (Manganese) | 0.93 siab tshaj | 0.29-1.06 |
| P (Phosphorus), siab tshaj plaws | 0.035 | 0.035 |
| S (Sulfur), siab tshaj plaws | 0.035 | 0.035 |
| Si (Silicon), feeb | 0.1 | 0.1 |
| A Rau txhua qhov kev txo qis ntawm 0.01% qis dua qhov siab tshaj plaws ntawm cov pa roj carbon, kev nce ntawm 0.06% ntawm manganese saum toj no qhov siab tshaj plaws yuav raug tso cai txog li ntawm 1.35%. | ||
Cov kev cai ntawm cov tshuaj lom neeg no ua kom ntseeg tau tias cov raj muaj lub zog txaus thiab tiv taus kub.
Cov Khoom Siv Kho Tshuab
Cov kev cai ntawm cov khoom siv kho tshuab tsis siv rau cov raj me dua1/ 8hauv [3.2 hli] hauv txoj kab uas hla sab hauv lossis 0.015 hauv. [0.4 hli] hauv tuab.
| Daim Ntawv Teev Npe | Uint | Qib A-1 | Qib C | |
| Lub zog tensile, min | ksi | 60 | 70 | |
| MPa | 415 | 485 | ||
| Lub zog tawm los, min | ksi | 37 | 40 | |
| MPa | 255 | 275 | ||
| Kev ntev in50 hli (2 nti), feeb | Rau kev sim cov kab ntev, yuav tsum txiav tawm rau txhua 1/32-in. [0.8-mm] txo qis hauv phab ntsa tuab hauv qab 5/16 in. [8 mm] los ntawm qhov ntev tsawg kawg nkaus ntawm cov feem pua hauv qab no. | % | 1.5A | 1.5A |
| Thaum siv tus qauv puag ncig 2-nti lossis 50-mm gage ntev lossis me dua proportional nrog qhov ntev gage sib npaug rau 4D (plaub npaug ntawm txoj kab uas hla) | 22 | 20 | ||
| ASaib Rooj 4 rau cov nqi tsawg kawg nkaus uas tau suav. | ||||
Rooj 4 muab cov nqi elongation tsawg kawg nkaus uas tau xam rau txhua qhov1/32nyob rau hauv. [0.8 hli] txo qis hauv phab ntsa tuab.
Qhov twg phab ntsa tuab nyob nruab nrab ntawm ob tus nqi qhia saum toj no, tus nqi elongation tsawg kawg nkaus yuav tsum txiav txim siab los ntawm cov qauv hauv qab no:
Cov chav ntsuas Imperial (hauv): E = 48t + 15.00
SI chav (hli): E = 1.87t + 15.00
qhov twg:
E = kev ntev hauv 2 nti lossis 50 hli, %,
t = qhov tuab tiag tiag ntawm cov qauv.
Kev Ntsuas Qhov Nyuaj
Kev ntsuam xyuas Brinell lossis Rockwell hardness yuav tsum ua rau cov qauv los ntawm ob lub raj los ntawm txhua qhov ntau.
ASTM A210 Qib A-1: 79-143 HBW
ASTM A210 Qib C: 89-179 HBW
HBW yog hais txog kev ntsuas ntawm Brinell Hardness, qhov twg "W" sawv cev rau kev siv lub pob carbide ua lub indenter.
Lwm Yam Kev Sim
Kev Ntsuas Kom Sib Nqus
Kev Ntsuas Kub
Kev Ntsuas Hluav Taws Xob Hydrostatic lossis Nondestructive
Kev Ua Tiav Nto
Nws tuaj yeem raug pickled lossis blasted, lossis ob qho tib si, thiab qhov no yog qhov teeb meem ntawm kev pom zoo, thiab kev xaiv yog raws li kev pom zoo ntawm tus neeg siv thiab tus neeg tsim khoom.
Pickling feem ntau yog siv los tshem tawm cov txheej oxidized thiab lwm yam khoom paug ntawm qhov chaw ntawm cov kav hlau.
Kev tua tshuaj yog siv los ntxuav qhov chaw thiab txhim kho nws lub zog lo.
Cov kev kho mob no tsis yog tsuas yog cuam tshuam rau qhov zoo ntawm cov yeeb nkab xwb tab sis kuj tseem yuav cuam tshuam rau nws cov khoom siv kawg.
Kev Tsim Cov Haujlwm
Thaum muab tso rau hauv lub boiler, cov raj yuav tsum sawv ntsug nthuav dav thiab beading yam tsis muaj qhov tawg lossis qhov tsis zoo. Thaum tswj hwm kom zoo, cov raj superheater yuav tsum sawv ntsug txhua qhov kev forging, vuam, thiab khoov uas tsim nyog rau kev siv yam tsis muaj kev tsim cov qhov tsis zoo.
ASTM A210 Cim
Cov hauv qab no yuav tsum tau cim kom meej meej:
Lub npe lossis lub logo ntawm tus neeg tsim khoom.
Cov lus qhia txog yeeb nkab (qhov loj me, phab ntsa tuab, thiab lwm yam).
Qib yeeb nkab.
Hom kev tsim cov yeeb nkab hlau: kub tiav lawm lossis txias tiav lawm.
Cov ntawv thov ntawm ASTM A210
Siv rau hauv kev tsim cov boilers me me mus rau nruab nrab uas muaj qhov siab me me, xws li cov boilers sawv ntsug, cov boilers zaum, thiab lwm yam boilers siv rau kev ua kom sov hauv kev lag luam lossis tsev nyob.
Cov Superheaters yog ib feem ntawm lub boiler siv los tsa qhov kub ntawm cov pa dej kom siab dua nws qhov kub npau, thiab ASTM A210 cov raj yog qhov tsim nyog rau kev tsim cov khoom kub no.
Peb Cov Khoom Muaj Feem Xyuam
Peb yog cov chaw tsim khoom thiab cov chaw muag khoom ntawm cov yeeb nkab carbon steel zoo los ntawm Tuam Tshoj, thiab peb kuj yog cov chaw muag khoom ntawm cov yeeb nkab steel seamless, muab ntau yam kev daws teeb meem rau koj!
cov cim npe: astm 210, boiler, seamless, kub-tiav, txias-tiav, superheater, cov neeg muag khoom, cov chaw tsim khoom, cov chaw tsim khoom, cov neeg khaws khoom, cov tuam txhab, lag luam wholesale, yuav, nqe, hais lus, ntau, rau kev muag khoom, tus nqi.
Lub sijhawm tshaj tawm: Plaub Hlis-24-2024