High Chrome Grinding Ball

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Size of casting iron ball:

Small size: Ø10mm--Ø40mm;

Medium size: Ø50mm--Ø90mm;

Big size: Ø100mm--Ø150mm.

Series of balls according to the chrome percentage:

High chrome casting ball: More than Cr:10%;

Medium chrome casting ball: Cr:3%-9%;

:Cr:1%-3%.

Features of

(1) High hardness: surface hardness of is to HRC 58-65. The tolerance of the core hardness and surface hardness is not over 2HRC;

(2) Good Impact Toughness: impact toughness of chrome balls is more than 4J/cm²;

(3) Low Broken Rate: the actual broken rate is not higher than 1%;

(4) Good Wear-resistant: the wearing rate of high cast iron ball is 30-50g/ton in cement industry, 350-430g in gold mines and even lower in some iron mines.

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