Xov xwm muaj
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EU Steel Service Centers Shipments poob los ntawm 23% nyob rau lub Ib Hlis-Tsib Hlis
Qhov tseeb EUROMETAL cov nuj nqis ntawm kev muag khoom los ntawm European steel cov chaw pabcuam thiab cov khoom lag luam ntau tus neeg muag khoom paub meej txog cov teeb meem cuam tshuam los ntawm kev faib khoom. Raws li tsab ntawv tshaj tawm tshiab tshaj tawm los ntawm lub koom haum rau European steel thiab hlau distributors EUROMETAL, thawj tsib lub hlis ...Nyeem ntxiv -
Tuam Tshoj Txoj Kev Siv thiab Txoj Kev
General Administration of Customs tau tshaj tawm cov lus ntawm tag nrho cov nqi ntawm cov khoom lag luam ntshuam thiab xa tawm los ntawm lub teb chaws (thib cheeb tsam) hauv lub Plaub Hlis. Cov ntaub ntawv pov thawj qhia tias Nyab Laj, Malaysia thiab Russia tau tuav peb txoj haujlwm saum toj kawg nkaus hauv Tuam Tshoj kev lag luam ntim nrog cov teb chaws raws "Siv thiab Txoj Kev" rau plaub ...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 flux hauv dej, av, oxide thiab hlau filings, vuam cov khoom xyaw thiab npog thickness ...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 -
Feem ntau Welding Defects
Nyob rau hauv cov txheej txheem ntawm kev tsim cov hlau vuam, yuav muaj qhov tshwm sim ntawm cov hlau tsis xws luag yog tias txoj kev vuam tsis raug. Feem ntau cov tsis xws luag yog kub cracking, txias cracking, lamellar tearing, tsis muaj fusion thiab tsis tiav nkag, stomata thiab slag. Kub tawg. Nws yog tsim duri ...Nyeem ntxiv -
Antirust kua roj vanish
Antirust cov kua roj vanish yog cov xeb-pov thawj los tiv thaiv cov hlau nto ntawm huab cua, dej thiab lwm yam tshuaj lossis electrochemical corrosion txheej. Feem ntau muab faib ua lub cev thiab tshuaj xeb ob pawg. Cov yav tas los cia siab rau ib tug haum pigments thiab xim nrog tsim ntawm ib tug ntom zaj duab xis t ...Nyeem ntxiv
