DupleX Steel Flanges
Thaum cov ntsiab lus chromium ntawm alloy yog qis dua tsawg kawg yog 12%, piv txwv li hauv Aerospace kev lag luam, lo lus "corrosion resistant steel" yog siv. Stainless tus hlau los hauv cov qib sib txawv thiab cov npoo ua tiav, nyob ntawm seb nws siv qhov twg.
904L stainless hlau phaj yog ib tug super ustenitic stainless hlau uas muab me ntsis rau siab corrosion tsis kam nyob rau ntau thaj chaw. Kev sib xyaw ntawm cov chromium thiab cov ntsiab lus npib tsib xee, nrog rau kev sib ntxiv ntawm Molybdenum thiab tooj liab, muab cov tshuaj tiv thaiv corrosion zoo tshaj plaws. Nrog npib tsib xee 25% thiab molybdenum 4.5%, Astm B625 tsis tawm ntawm cov chloride kev ntxhov siab, pitting thiab dav dav rau 316L thiab 317l.