Grinding Media GENERAL DESCRIPTION
CITICIC has the capacity to deliver premium quality forged grinding balls of all sizes ranging from 22 mm to 165 mm (7/8” to 6½” aprox.) and in two grinding balls product lines: LK SAG, for SAG mills, and LK Grind, for ball mills.
Why choose CITICIC Grinding Media :
• Quality Management System certified ISO 9001:2008.
• We use the highest quality bar stock available, made with "clean steel" technology.
• Rigidly managed forging process ensuring spherical ball shape.
• High end heat treatment technology, based on CITICIC Elecmetal’s years of metallurgical experience guaranteeing long wear life
• Logistics is a key part of CITICIC Elecmetal grinding media offer: We currently have 8 distribution centers close to our customer base and are in process of adding more.
1 SAG Mill grinding balls
GENERAL DESCRIPTION
CITICIC provides grinding balls 100 - 165 mm (4" - 6.5" aprox.), specially designed for SAG mills.
CHEMISTRY
| Limits | C | Mn | P
(max.) | S
(max.) | Si | Ni
(resid.) | Cr | Mo | Cu
(resid.) | Al |
|---|
| Upper Limit | 0.90 | 1.02 | 0.022 | 0.022 | 0.40 | 0.10 | 1.05 | 0.15 | 0.15 | 0.05 |
|---|
| Lower Limit | 0.70 | 0.80 | - | - | 0.20 |
| 0.70 | 0.03 | - | 0.02 |
|---|
HARDNESS (HRC)
| Series | Surface
(min. - max.) | Volumetric
(min. - max.) | Center
(min.) | Applications |
|---|
| HH Series | 61 | 64 | 58 | 62 | 50 | Mills with minimal ball to liner impact |
|---|
| S Series | 58 | 62 | 56 | 60 | 50 | Normal milling operation |
|---|
| T Series | 56 | 60 | 55 | 60 | 50 | Mills with higher chance of ball to liner impact |
|---|
HRC: Hardness Rockwell
HH: High Hardness
S: Standard
T: Tough
2 Ball mills grinding balls
GENERAL DESCRIPTION
CITICIC provides grinding balls 22 - 100 mm (0.88" - 4" aprox.), specially designed for ball mills.
CHEMISTRY
| Limits | C | Mn | P
(max.) | S
(max.) | Si | Ni
(resid.) | Cr | Mo
(resid.) | Cu
(resid.) | Al |
|---|
| Upper Limit | 1.00 | 1.00 | 0.025 | 0.025 | 0.30 | 0.10 | 0.50 | 0.01 | 0.15 | 0.05 |
|---|
| Lower Limit | 0.80 | 0.80 | - | - | 0.20 | - | 0.40 | - | - | 0.02 |
|---|
HARDNESS (HRC)
| Series | Surface
(min. - max.) | Volumetric
(min. - max.) | Center
(min.) | Applications |
|---|
| ME Ultra Grind® | 60 | 64 | 60 | 64 | 60 | Ball mills |
|---|
Grinding Ball Apps
GENERAL DESCRIPTION
This media guide is being provided by CITICIC to help you make the most effective use of grinding media in your mills. It includes the following sections.
SAG mills grinding balls
• Determination of your SAG mill’s power draw characteristics.
• SAG Mill Steel Charge Estimation tool provides an estimate of the percent steel in the charge of your SAG mill based on the power draw and the total charge volume.
• Ball impact energy chart to determine the impact energy of balls as a function of mill diameters.
• Glossary of the terminology and symbols used in this section.
Ball mills grinding balls
• Determination of the recommended size of grinding ball to add to your mill.
• Determination of your mill power draw characteristics, which are closely tied to the nature of the ball charge present in the mill.
• Determination of various characteristics of the ball charge in your mill which are important in terms of its grinding and wear performance.
• A glossary of the terminology and symbols used in this section.
Rod mills grinding balls
• Determination of the recommended rod size to add to your mill.
• Determination of your mill power draw characteristics.
• A glossary of the terminology and symbols used in this section.
Unit converter
• A collection of easy to use unit conversion tools.
