Cov txheej txheem txheem sib txawv muaj ntau yam kev siv sib txawv, thiab qhov hnyav ntawm cov yeeb nkab tsis zoo ib yam.
Niaj hnub no peb yuav tham txog EN tus qauv system ntawm EN10220.
Kev Txheeb Xyuas Txog Tus Qauv EN 10220
EN 10220yog tus qauv European rau qhov ntev thiab kev kam rau siab ntawm cov kav hlau seamless thiab welded.
Tus qauv EN 10220 muaj ntau yam kev siv thiab feem ntau yog siv rau hauv kev lag luam roj, roj av, tshuaj lom neeg, kev tsim kho, thiab kev kho dej.
Tus qauv suav nrog lub cheeb sab nraud (OD) thiab phab ntsa tuab (WT) ntawm cov kav hlau, muab cov lus qhia meej thiab cov lus qhia sib xws rau kev tsim qauv engineering thiab kev tsim khoom kom ntseeg tau tias muaj kev sib xws thiab kev hloov pauv ntawm cov khoom yeeb nkab tsim los ntawm cov chaw tsim khoom sib txawv.
Cov Txheej Txheem Xam Qhov Hnyav
Txoj kev xam qhov hnyav ib 'meter' ib chav ntev yog muab rau hauv EN 10220.
M=(DT) × Txo0.0246615
Myog qhov hnyav ib chav ntev hauv kg / m,
Dyog qhov ntsuas sab nraud uas tau teev tseg hauv mm,
Tyog qhov tuab ntawm phab ntsa uas tau teev tseg hauv mm.
Qhov no yog raws li qhov ceev ntawm 7.85 kg / dm3.(kg/dm3yog chav ntsuas ntawm qhov ceev, cubic decimeters.)
Cov nqi xam kuj tseem siv tau rau cov raj uas muaj cov nqi sib txawv ntawm qhov ceev, tab sis tom qab ntawd yuav tsum tau muab sib npaug los ntawm ib qho ntawm
1.015 rau cov hlau tsis xeb austenitic (Qhov no yog raws li qhov ceev ntawm 7.97 kg / dm3).
0.985 rau cov hlau tsis xeb ferritic thiab martensitic (Qhov no yog raws li qhov ceev ntawm 7.73 kg / dm3).
Kev suav lej tuaj yeem ua tau raws li cov nqi sib txawv ntawm cov qhov ceev rau txhua pawg ntawm cov hlau tsis xeb uas tau muab tso rau hauv EN 10088-1.
Kev faib tawm ntawm EN 10220 Series
EN 10220raws li qib ntawm kev ua kom cov kav dej thiab lawv cov khoom siv. Muaj peb series.
koob 1: cov kab uas hla sab nraud uas txhua yam khoom siv uas xav tau rau kev tsim cov kav dej tau raug teeb tsa tus qauv;
koob 2: sab nraud uas tsis yog txhua yam khoom siv tau ua tus qauv;
series 3: sab nraud diameters uas muaj ob peb yam khoom siv txheem.
Cov duab qhia txog qhov hnyav ntawm cov yeeb nkab rau EN 10220 Series 1
Cov yeeb nkab OD ntawm cov koob no ua raws li cov qauv thoob ntiaj teb lossis kev lag luam raws nraim, thiab kev ua lag luam muaj cov khoom siv sib txuas ua ke xws li flanges, couplings, thiab elbows.
Qhov kev ua kom tiav no ua rau cov txheej txheem tsim thiab kev teeb tsa yooj yim dua thiab txo qhov xav tau cov khoom tsis yog tus qauv thiab cov nqi kho kom haum.
Cov duab qhia txog qhov hnyav ntawm cov yeeb nkab rau EN 10220 Series 2
Qhov OD ntawm hom kav dej no yog tus qauv, tab sis tsis yog txhua yam khoom siv tau raug tus qauv. Qee cov khoom siv tus qauv, xws li flanges lossis elbows, tuaj yeem tau txais, thaum lwm qhov yuav tsum tau hloov kho, ntxiv rau tus nqi thiab qhov nyuaj ntawm qhov project.
Cov duab qhia txog qhov hnyav ntawm cov yeeb nkab rau EN 10220 Series 3
Qhov no feem ntau yog qhov teeb meem nrog cov yeeb nkab loj heev lossis tsis zoo li qub uas xav tau ntau cov khoom siv thiab cov khoom sib xyaw ua ke, ua rau tus nqi ntawm kev tsim qauv thiab kev siv qhov project nce siab, nrog rau ua rau lub sijhawm yuav khoom thiab kev tsim khoom ntev dua.
Cov Duab Qhia Txog Qhov Hnyav ntawm Cov Yeeb Nkab rau Phab Ntsa Thicknesses 70 -100 mm
Rau cov kav dej tuab nrog phab ntsa tuab ntawm 70 hli txog 100 hli, cov kev cai tau teev tseg hauv EN 10220, Rooj 2.
Cov khoom siv rau cov kav dej phab ntsa hnyav nrog qhov ntev raws li Rooj 2 yuav tsis muaj txawm tias cov koob hauv Rooj 1 uas tau muab faib rau sab nraud.
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: en 10220, daim ntawv qhia qhov hnyav ntawm cov yeeb nkab, Series 1, cov neeg muag khoom, cov chaw tsim khoom, cov chaw tsim khoom, cov neeg muag khoom, cov tuam txhab, lag luam wholesale, yuav, nqe, hais lus, ntau, muag, nqi.
Lub sijhawm tshaj tawm: Lub Peb Hlis-04-2024