Dab tsi yog S355JR plus N
S355JR ntxiv rau N yog tus qauv uas txhais cov kev xav tau rau cov qauv zoo li qub S355JR. Cov txheej txheem European sib raug rau S355JR yog EN10255. Lub "ntxiv" nyob rau hauv lub npe qhia tias nws yog normalized thiab tempered, uas txhim kho nws cov khoom siv kho tshuab.
Cov txheej txheem zoo thiab kev ua haujlwm:
Yam tsawg kawg yield zog:355 N/mm²
Impact zog:ntawm qhov kub ntawm -20 degree
Qhov zoo:
LEFIN STEELtsim steels raws li "S355JR plus N" nrog cov zoo:
1. Siab zog: S355JR ntxiv rau N muaj lub zog tensile siab ntawm 470-630MPa, uas txhais tau hais tias nws muaj peev xwm nqa cov khoom hnyav thiab tuaj yeem tiv taus kev ntxhov siab thiab hnyav.
2. Ductility: S355JR ntxiv rau N yog cov ductile heev, uas txhais tau hais tias nws tuaj yeem ua tau yooj yim zoo li, khoov, thiab welded yam tsis poob nws lub zog.
3. Corrosion-resistant: S355JR ntxiv rau N kuj yog corrosion resistant, ua rau nws yog ib qho kev xaiv tsim nyog rau daim ntaub ntawv uas nws raug rau ya raws thiab corrosive ib puag ncig.
4. Ntev ntev: Vim nws lub zog muaj zog thiab ua haujlwm ntev, S355JR ntxiv rau N tuaj yeem siv sijhawm ntev yam tsis tas yuav tsum tau saib xyuas ntau zaus lossis hloov pauv.
5. Ntau yam: S355JR plus N tuaj yeem siv rau ntau yam kev siv xws li kev tsim kho, engineering, thiab kev tsim khoom, ua rau nws muaj ntau yam khoom siv.
Daim ntawv thov:
1. Kev tsim kho: S355JR plus N feem ntau siv hauv kev tsim kho kev lag luam rau nws lub zog siab thiab ua haujlwm ntev. Nws tuaj yeem siv rau hauv ntau yam kev tsim kho, xws li txuas hniav, vaj tse, thiab cov qauv sab nrauv.
2. Kev tsim khoom: S355JR plus N tuaj yeem siv rau hauv kev tsim cov tshuab hnyav, cov cuab yeej siv, thiab tsheb thauj mus los. Nws lub zog siab thiab toughness ua rau nws yog cov khoom siv zoo tshaj plaws rau cov ntawv thov no.
3. Kev lag luam roj thiab roj: S355JR plus N kuj tseem siv rau hauv kev lag luam roj thiab roj rau nws lub zog siab thiab ua haujlwm rau corrosion. Nws tuaj yeem siv rau cov kav dej, cov hlab ntsha siab, thiab lwm yam khoom siv hauv kev rho tawm thiab kev thauj mus los ntawm cov roj thiab roj.
4. Lub zog tauj dua tshiab: S355JR plus N feem ntau yog siv nyob rau hauv lub zog tauj dua tshiab rau kev tsim cov cua turbines, hnub ci vaj huam sib luag, thiab lwm yam khoom siv hluav taws xob tauj dua tshiab. Nws lub zog siab thiab kav ntev ua rau nws zoo tagnrho rau cov ntawv thov no.
Cov hlau ua los ntawm S355JR ntxiv rau N:
Qee cov hlau uas tsim los ntawm S355JR ntxiv rau N suav nrog cov kav dej loj (LSAW tub), choj kab teeb, offshore structures, thiab industrial lug.
Zuag qhia tag nrho, S355JR ntxiv rau N yog tus qauv zoo uas hais txog qhov tseem ceeb ntawm kev ua tau zoo thiab kev ntseeg siab hauv cov qauv hlau. Nws xyuas kom meej tias cov hlau muaj kev nyab xeeb, ruaj khov, thiab haum rau lub hom phiaj, ua rau nws yog ib qho tseem ceeb hauv ntau qhov kev lag luam thiab kev siv.
