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However, not many high Cr balls are used in primary grinding because the improvement obtained in wear resistance relative to steel, typically 25 – 30%, is not enough to offset Its higher cost. In primary ball milling, wear speed is largely independent of ball diameter and mill volume. (The same is true for secondary, tertiary, and regrind,

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In short, the hardness of the ball mill is not the harder the better, should be taken into account a variety of factors in order to ensure productivity, so as to maximize production efficiency. INDUSTRIAL NEWS. Cast Grinding Balls Standard (7) Castings (36) Grinding media balls (61) Heat Treatment Process (27) Metal Mold (2) Mines (7) Producing grinding ball process (21)

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High Hardness Steel Ball Mill Grinding Media . 1.Feature: 1) In general, grinding steel ball has high hardness: surface hardness to 55-68 HRC, volume hardness of 50-63 HRC . 2) impact toughness high: impact toughness more than 12 J / cm2. 3) broken rate is low: the actual broken rate is not higher than 1%.

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Cast Grinding Steel Balls - 911Metallurgist

However, not many high Cr balls are used in primary grinding because the improvement obtained in wear resistance relative to steel, typically 25 – 30%, is not enough to offset Its higher cost. In primary ball milling, wear speed is largely independent of ball diameter and mill volume. (The same is true for secondary, tertiary, and regrind,

The hardness of grinding media ball - how to choose balls,

In short, the hardness of the ball mill is not the harder the better, should be taken into account a variety of factors in order to ensure productivity, so as to maximize production efficiency. INDUSTRIAL NEWS. Cast Grinding Balls Standard (7) Castings (36) Grinding media balls (61) Heat Treatment Process (27) Metal Mold (2) Mines (7) Producing grinding ball process (21)

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