High-chromium alloy wear resistant lining plate for impact crusher and preparation method thereof
An impact crusher, high chromium alloy technology, applied in the field of wear-resistant materials, can solve the problems of uneven particle size, decreased production efficiency, short service life, etc., achieve good strength, improve strength and wear resistance, and service life long effect
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Embodiment 1
[0017] A high-chromium alloy wear-resistant liner for an impact crusher, the liner contains the following alloying elements in mass percentages: C 2.3%, Mn 1.4%, Si 0.7%, Cr 14%, Ni 0.9%, B 0.22% , Mo 0.38%, Cu 0.32%, Re 0.12%, Rh 0.09%, the balance is Fe and unavoidable impurities, and the lining plate also contains ZrC powder accounting for 3% of the total mass of high chromium cast iron.
[0018] A method for preparing a high chromium alloy wear-resistant liner for an impact crusher, comprising the following steps:
[0019] 1) Smelting: Add steel scrap, pig iron, ferronickel, ferromolybdenum, and scrap copper into the intermediate frequency electric furnace, heat and melt, and the melting temperature is 1570-1600°C. After the molten steel is completely melted, add roasted red ferrochrome to it and borax, and finally add ferromanganese, ferrosilicon, and ferrohodium to adjust the composition of each element in molten steel;
[0020] 2) Casting: Pour the smelted molten steel...
Embodiment 2
[0023] A high-chromium alloy wear-resistant liner for an impact crusher, the liner contains the following alloying elements in mass percentages: C 2.2%, Mn 1.3%, Si 0.6%, Cr 15%, Ni 0.8%, B 0.20% , Mo 0.36%, Cu 0.3%, Re 0.13%, Rh 0.07%, the balance is Fe and unavoidable impurities, and the lining plate also contains ZrC powder accounting for 2.5% of the total mass of high chromium cast iron.
[0024] A method for preparing a high chromium alloy wear-resistant liner for an impact crusher, comprising the following steps:
[0025] 1) Smelting: Add steel scrap, pig iron, ferronickel, ferromolybdenum, and scrap copper into the intermediate frequency electric furnace, heat and melt, and the melting temperature is 1570-1600°C. After the molten steel is completely melted, add roasted red ferrochrome to it and borax, and finally add ferromanganese, ferrosilicon, and ferrohodium to adjust the composition of each element in molten steel;
[0026] 2) Casting: Pour the smelted molten stee...
Embodiment 3
[0029] A high-chromium alloy wear-resistant liner for an impact crusher, the liner contains the following alloying elements in mass percentages: C 2.1%, Mn 1.5%, Si 0.5%, Cr 15%, Ni 0.7%, B 0.23% , Mo 0.35%, Cu 0.35%, Re 0.09%, Rh 0.10%, the balance is Fe and unavoidable impurities, and the lining plate also contains ZrC powder accounting for 2.5% of the total mass of high chromium cast iron.
[0030] A method for preparing a high chromium alloy wear-resistant liner for an impact crusher, comprising the following steps:
[0031] 1) Smelting: Add steel scrap, pig iron, ferronickel, ferromolybdenum, and scrap copper into the intermediate frequency electric furnace, heat and melt, and the melting temperature is 1570-1600°C. After the molten steel is completely melted, add roasted red ferrochrome to it and borax, and finally add ferromanganese, ferrosilicon, and ferrohodium to adjust the composition of each element in molten steel;
[0032] 2) Casting: Pour the smelted molten ste...
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