Xov xwm
-
Qhov sib txawv ntawm uoe thiab jcoe yeeb nkab
Qhov sib txawv ntawm uoe thiab jcoe yeeb nkab Loj-caliber, kev xa khoom siab, kev thauj mus los ntev thiab ntau hom kev thauj khoom nruab nrab yog lub cim tseem ceeb ntawm kev lag luam kev lag luam thev naus laus zis, tab sis kuj yog cov qauv dav dav ntawm txoj kev lag luam pipeline.Nrog txoj kev loj hlob ntawm ...Nyeem ntxiv -
API 5L Gr IB
API 5L Gr.B grade designations los ntawm API Spec 5L Specification rau Kab Yeeb.Standard Line Pipe muaj qib A thiab B. Cov qib muaj zog muaj cov npe X ua raws li qhov tsawg kawg nkaus yield zog ntawm cov yeeb nkab steel, ntsuas hauv kilopounds ib square inch (abbreviated ksi), ...Nyeem ntxiv -
Suav welded steel yeeb nkab
Peb tshwj xeeb hauv kev tsim khoom ntawm Welded Steel Pipes & Tubes.Peb muab khoom tuaj yeem ncav cuag tus txheej txheem thoob ntiaj teb xws li: ASTM, JIS, DIN, EN, API, BS, Peb lub tuam txhab kev tsim khoom yog ua raws li TS EN ISO 9001: 2000, API5 L, ISO 14001: 2004 thiab ISO9001, SGS Integra ...Nyeem ntxiv -
Ua thiab ntsuas ntawm cov yeeb nkab weld porosity
Weld yeeb nkab weld porosity cuam tshuam tsis tsuas yog cov kav dej ntom ntom, uas ua rau cov kav dej xau thiab xeb yuav raug cuam tshuam los txo qhov vuam lub zog thiab toughness.Cov yam ntxwv weld porosity yog: cov dej ntws hauv dej, av, oxide thiab hlau filings, vuam cov khoom xyaw thiab npog thickness ...Nyeem ntxiv -
Coated yeeb nkab kev thauj mus los
Lub ntsiab lus tseem ceeb ntawm cov yeeb nkab coated thaum lub sij hawm thauj mus los 1) Thaum siv cov hooks tshwj xeeb, lub kaum sab xis hlau thiab cov hlua ntawm tsis pub tsawg tshaj 300, txhawm rau kom tsis txhob muaj kev puas tsuaj ntau dhau rau lub lateral rub spout.2) tiv thaiv corrosion yeeb nkab loading yuav tsum tau raws li: loading qhov siab tsis ntau tshaj ob txheej.b Corrosion yeeb nkab yog ...Nyeem ntxiv -
Notes on China's current "2019nCov"
Rau peb cov neeg siv khoom: Tam sim no, tsoomfwv Suav tau siv cov kev ntsuas muaj zog tshaj plaws, thiab txhua yam yog tswj hwm.Lub neej yog ib txwm nyob rau ntau qhov chaw ntawm Tuam Tshoj los txog tam sim no, tsuas yog ob peb lub nroog zoo li Wuhan cuam tshuam.Kuv ntseeg tias txhua yam yuav rov zoo li qub sai sai no.Ua tsaug!Nyeem ntxiv