Q550D yog lub zog tawm los ntawm 550mpa qib steel. Nws yog lub zog siab dua qis alloy steel, Q550D steel phaj yog qhov tsis tshua muaj vuam tawg rhiab heev siab zog steel phaj.
Q550D steel phaj qib qhia:
"Q" steel yield zog ntawm "yield" lo lus thawj tsab ntawv ntawm hanyu pinyin;
"550": steel yield zog ntawm 500, unit MPa;
"D": qhia tias qhov zoo ntawm steel phaj qib D (qib muab faib ua C, D, E).
Q550D steel phaj siv cov qauv: kev ua raws li GB / T 16270-2009 GB / T1591-2008 cov qauv.
Lub xeev xa khoom ntawm Q550D steel phaj: steel phaj yog xa hauv lub xeev tempered, thiab lub xeev tus me nyuam tuaj yeem raug teev raws li kev xav tau.
Q550D steel phaj thickness kev taw qhia kev ua tau zoo: Z15, Z25, Z35.
Q550D steel phaj flaw nrhiav kom tau: ib qho kev sojntsuam, ob qhov kev sojntsuam, peb sojntsuam.
Q550D steel phaj Z kev taw qhia yog dab tsi?
Z rau hlau, tseem hu ua "lamellar tearing resistant steel (lamellar tearing resistant steel)", uas yog, feem ntau hu ua Z kev xeem ntawv hlau.
Suav lub npe Z rau steel txawv teb chaws lub npe lamellar tearing resistant steel) alias lamellar tearing resistant steel; Z mus rau qhov kev xeem steel kev qhuab qhia kev faib cov ntaub ntawv tshawb fawb thaj chaw xws li kev tsim kho engineering.
Q550D steel phaj yog tsuas yog siv rau kev tsim cov kev xav tau siab rau weldability ntawm hydroelectric fais fab chaw nres tsheb siab steel yeeb nkab, siv tshuab, tsheb ciav hlau, txuas hniav, high-rise thiab loj-span vaj tse, Q550D siv nyob rau hauv kev tsim cov nroj tsuag, kev tsim kho. thiab txhua yam kev tsim kho tshuab, xws li mining thiab txhua yam kev tsim kho engineering nrog drilling rigs, hluav taws xob shovels, hluav taws xob log tsheb thauj khoom, tsheb mining, excavators, loaders, bulldozers, txhua yam cranes, hydraulic txhawb rau thee mines thiab lwm yam Mechanical khoom siv thiab lwm yam khoom siv.
