Tungsten steel (tungsten carbide) muaj cov khoom zoo heev xws li siab hardness, hnav tsis kam, zoo zog thiab toughness, kub tsis kam thiab corrosion kuj, tshwj xeeb tshaj yog nws siab hardness thiab hnav tsis kam, txawm nyob rau ntawm qhov kub ntawm 500 ℃. Nws tseem nyob hauv paus tsis hloov, ib ...
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