AISI 304 ASTM A276 S30400 1.4301 Tus Hlau Stainless Hlau Round Bar
Stainless hlau 304 thiab 304L tseem hu ua cov hlau stainless 1.4301 thiab 1.307, feem. Hom 304 yog feem ntau ntau yam thiab ntau yam steel hlau. Nws tseem qee zaum raug xa mus rau ntawm nws lub npe qub, 18 \ / 8, uas yog muab tau los ntawm hom 304 lub npe nrov ntawm 18% thiab 8% npib tsib xee.
SAE 304 stainless hlau yog qhov feem ntau steel hlau. Cov hlau muaj ob txoj kev chromium (nruab nrab ntawm 18% thiab 20%) thiab thib pua (nruab nrab ntawm 8%) [1] cov hlau uas yog cov qauv hlau tseem ceeb. Nws yog ib tus neeg siv tshuaj hlau tsis huv. Nws tsis tshua muaj hluav taws xob thiab cuam tshuam cov khoom siv hluav taws xob ntau dua li cov hlau. Nws sib nqus, tab sis tsis sib nqus dua li hlau. Nws muaj ntau dua corrosion tsis kam ntau dua li cov hlau tsis tu ncua thiab siv dav siv vim yog qhov yooj yim nyob rau hauv ntau yam duab. [1]