60mm Forged Grinding Ball for Iron Ore Mine
60mm forged grinding ball for iron ore mine, your best choice for iron ore mine mineral processing.
Introduction
60mm forged grinding ball for iron ore mine, your best choice for iron ore mine mineral processing.
Details
Steel Rod Type: B3, Chemical Comments | |||||
C | Si | Mn | P | S | Cr |
0.61-0.65 | 1.73-1.80 | 0.73-0.80 | ≤0.020 | ≤0.015 | 0.80-0.88 |
Ni | Cu | Mo | Alt | V | |
≤0.25 | ≤0.20 | / | / | / | |
60-90mm Forged Grinding Ball For Iron Ore Mine | |||||
Ball Size | Surface Hardness | Core Hardness | Volume Hardness | Impact Toughness | |
60mm | 61-63 HRC | 59-61 HRC | 59-62 HRC | ≥14 J/CM2 | |
70mm | 61-63 HRC | 59-61 HRC | 59-62 HRC | ≥16 J/CM2 | |
80mm | 61-63 HRC | 59-61 HRC | 59-62 HRC | ≥18 J/CM2 | |
90mm | 61-63 HRC | 59-61 HRC | 59-62 HRC | ≥20 J/CM2 | |
Difference between hot rolled grinding balls and casted balls:
A)Difference in steel ball consumption
In 2016-2017, A certain mining company has, according to the hot rolled grinding balls of DongBang company and use of casted balls by a certain factory, drawn up a list of comparision in use and consumption as follows:
| Type of Steel Ball | Super-high | High | Medium | Low | Dongbang |
Wear | ＞500 | ＞850 | ＞1000 | ＞1200 | ＜500 |
Steel Ball | ＞1500 | ＞2550 | ＞3000 | ＞3500 | ＜1200 |
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