I. Txheej txheem cej luam ntawm cov khoom
GB/T9948-2013Cov yeeb nkab hlau tsis muaj seamless yog cov yeeb nkab hlau zoo seamless uas siv tshwj xeeb rau cov txheej txheem tawg roj av, thiab siv dav hauv cov khoom siv tseem ceeb xws li cov raj cua sov, cov hloov pauv cua sov thiab cov yeeb nkab siab hauv cov chaw ua roj. Cov qauv no tswj hwm cov khoom siv, cov txheej txheem tsim khoom thiab cov kev ua tau zoo ntawm cov yeeb nkab hlau kom ntseeg tau tias lawv ua haujlwm ruaj khov hauv qhov chaw muaj kev xeb siab, kub siab thiab siab.
2. Cov ntaub ntawv thiab kev ua tau zoo
1. Cov ntaub ntawv tseem ceeb
GB/T9948-2013Cov kav hlau tsis muaj seamless yog ua los ntawm ntau yam khoom siv hlau zoo, suav nrog:
Cov hlau ua los ntawm cov pa roj carbon:20G, 20MnG, 25MnG
Cov hlau sib xyaw ua ke:15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB
Hlau tsis xeb thiab hlau tiv taus kub: 1Cr18Ni9, 1Cr18Ni11Nb
2. Kev ua tau zoo tseem ceeb
Kev tiv taus kub siab: Haum rau cov txheej txheem kub siab xws li roj av tawg (txog li 600 ° C lossis ntau dua).
Kev tiv taus siab: Cov ntaub ntawv muaj zog ua kom muaj kev nyab xeeb ntawm cov kav dej hauv qab qhov chaw siab.
Kev tiv thaiv xeb: Cov khoom siv hlau tshwj xeeb tiv taus cov xov xwm xeb xws li hydrogen sulfide thiab carbon dioxide.
Kev ntseeg siab siab: Kev tswj xyuas zoo nruj xyuas kom meej tias cov khoom siv kho tshuab thiab cov tshuaj lom neeg ntawm cov kav hlau ua tau raws li tus qauv GB / T9948.
3. Cov txheej txheem tsim khoom
GB/T9948-2013 cov kav hlau tsis muaj seamless yog tsim los ntawm kev dov kub thiab kos duab txias (dov):
Cov txheej txheem dov kub: lub raj kheej kheej kheej → cua sov → perforation → dov → sizing → txias → ncaj → kev tshuaj xyuas zoo → cia.
Cov txheej txheem kos duab txias (dov): perforation → pickling → kos duab txias → kho cua sov → ncaj → kuaj pom qhov tsis zoo → cim → khaws cia.
Ob qho txheej txheem ua kom muaj qhov tseeb siab, qhov chaw du thiab cov khoom siv kho tshuab zoo heev ntawm cov kav hlau.
4. Cov teb thov
GB/T9948 roj av tawg yeeb nkab siv dav hauv:
Kev lag luam petrochemical: chav tawg, hydrogenation reactor, catalytic reforming khoom siv
Kev lag luam roj refining: cov raj cua sov kub siab, cov khoom sib pauv cua sov, cov kav dej siab
Kev thauj mus los ntawm cov roj av: cov kav dej xa roj uas tiv taus xeb, siab siab
Kev tsim khoom boiler: chaw nres tsheb fais fab boilers, cov kav dej boiler kev lag luam
5. Kev cia siab ua lag luam
Nrog rau kev loj hlob sai ntawm kev lag luam petrochemical hauv tebchaws thiab kev loj hlob ntawm kev thov thoob ntiaj teb, kev muag khoom ntawm GB / T9948 seamless steel yeeb nkab txuas ntxiv mus. Nws qhov kev tiv taus kub siab thiab kev tiv taus corrosion ua rau nws yog cov khoom siv yeeb nkab nyiam hauv kev tawg roj av thiab kev ua kom huv.
6. Cov kev ceev faj rau kev yuav khoom thiab siv
Kev xaiv cov khoom siv nruj: Xaiv cov khoom siv GB / T9948 tsim nyog (xws li 12CrMoG, 15CrMoG, thiab lwm yam) raws li cov xwm txheej ua haujlwm (kub, siab, corrosiveness).
Daim ntawv pov thawj zoo: Xyuas kom tseeb tias cov yeeb nkab hlau ua tau raws li tus qauv GB / T9948-2013 thiab muab daim ntawv tshaj tawm tshuaj xyuas sab nraud.
Kev Teeb tsa thiab kev saib xyuas: Tsis txhob muaj kev puas tsuaj rau lub cev thaum lub sijhawm thauj mus los thiab kev teeb tsa, thiab tsis tu ncua xyuas cov kav dej xeb thiab cov xwm txheej siab.
GB/T9948-2013 cov yeeb nkab tawg roj av tau dhau los ua qhov kev xaiv zoo tshaj plaws rau petrochemical, refining, natural gas thiab lwm yam lag luam vim nws qhov zoo ntawm kev tiv taus kub siab, kev tiv taus siab thiab kev tiv taus corrosion. Kev xaiv cov khoom siv tsim nyog (xws li 12CrMoG, 15CrMoG, thiab lwm yam) thiab ua raws li cov qauv nruj me ntsis tuaj yeem ua kom muaj kev nyab xeeb thiab ruaj khov ntawm cov yeeb nkab.
Cov Lus Tseem Ceeb:#Cov yeeb nkab tawg roj av, #GB/T9948, #GB/T9948-2013 seamless yeeb nkab hlau, #Petroleum tawg yeeb nkab hlau, #12CrMoG, #15CrMoG, #Cov yeeb nkab hlau kub thiab siab, #Cov yeeb nkab roj av
Lub sijhawm tshaj tawm: Lub Rau Hli-09-2025
