Super wear-resistant cast steel grinding ball and preparation method thereof
A super wear-resistant and cast steel technology, applied in the field of wear-resistant materials, can solve the problems of low cost performance, high cost, non-wear resistance, etc., and achieve the effect of reducing labor intensity, improving production efficiency, and realizing clean production
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Embodiment 2
[0075] Embodiment two - embodiment six
[0076] Embodiment 2-Embodiment 6 are respectively a kind of super wear-resistant cast steel grinding balls, and their respective chemical compositions are shown in the following table.
[0077] Embodiment two—the super wear-resistant cast steel grinding ball of embodiment six is prepared according to the following method steps:
[0078] (1) Casting
[0079] After the molten metal containing the chemical composition described in claim 1 or 2 is formed by mechanized lost foam casting, it is cleaned to obtain a casting;
[0080] (2) heating, oil quenching
[0081] Put the casting obtained in the previous step into a high-temperature resistance furnace and heat it to the corresponding temperature, hold it for a corresponding time, then carry out oil quenching, cool it in the oil to below 200°C, and discharge the oil;
[0082] (3) Tempering
[0083] Put it into the tempering furnace, raise the temperature to the corresponding tempering...
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