Cov hlau tshwj xeeb txawv ntawm cov hlau tsoos. Nws yog tsim los ntawm alloys. Nws feem ntau muaj kev tiv thaiv zoo oxidation, corrosion kuj, kub tsis kam thiab lwm yam khoom, thiab tuaj yeem siv rau hauv qhov chaw hnyav heev. Feem ntau siv rau hauv kev lag luam tshwj xeeb. Raws li kev ua tau zoo, lawv feem ntau muaj xws li hnav-resistant steel, high-strength steel, corrosion-resistant steel, huab cua-resistant steel, thiab lwm yam. Tsis tas li ntawd, nws kuj yuav muab faib raws li alloy muaj pes tsawg leeg, xws li tungsten steel, manganese steel, tungsten-chromium steel, npib tsib xee-chromium steel, thiab lwm yam. Qhov tseem ceeb tshaj plaws ntawm lawv yog cov hnav-resistant steel thiab corrosion-resistant steel, uas yog siv dav tshaj plaws.
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