Under high temperature conditions, steel with oxidation resistance, sufficient high temperature strength and good heat resistance is called heat resistant alloy steel. Heat resistant alloy steels can be divided into two types according to their properties: oxidation resistant steels and hot strength steels. Oxidation resistant steel is also referred to as non peeling steel. Hot strength steel is a kind of steel with good oxidation resistance at high temperature and high temperature.
Heat resistant alloy steels can be divided into austenitic heat-resistant steels, martensitic heat-resistant steels, ferritic heat-resistant steels and Pearlite Heat-resistant Steels according to their normalizing structures. Hot strength steel is often used to make boiler, steam turbine, power machinery, industrial furnace, aviation, petrochemical and other industrial sectors working under high temperature parts.
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