Dab tsi yog cov tseem ceeb sib txawv ntawm Q355N thiab siab dua-}} Cov hlau qib xws li Q450NH?
Yuav Q235NH Corten Steel yuav nquag tawg thaum khoov duav lossis stamped?
Dab tsi yog qee qhov yooj yim thiab yooj yim - rau -} khiav tawm ntawm kev xeb ntawm cov huab cua hlau?
Puas yog nws yuav tsum tau muab kev tiv thaiv sab hauv thaum ua cov thawv paj nrog Q355NH?
Dab tsi yog kwv yees tuab ntawm cov txheej xeb tom qab huab cua hluav taws xob ruaj khov? Nws puas yuav ntog?
Yuav siv cov Q355NH tshem tawm qhov xav tau ntawm kev them txij li tom qab tom ntej?
Yuav ua li cas tswj tau qhov sib txawv ntawm cov xeb ntawm cov hlau ua hluav taws xob kom tsis txhob muaj cov duab ntxoov ntxoo tsis sib xws?
ASTM A312 yog tus qauv rau seamless thiab welded ustenitic stainless hlau yeeb nkab hlau, tsim rau high} kub thiab feem ntau corrosive ib puag ncig.
321 stainless hlau pickled annaled seamless yeeb
TPP316L Stainless Hlau Seamless Petrochemical Yeeb