Chromium Carbide Overlay Plates (CCO Plates)
Premium Wear Plate Solutions by Leomet Alloys
Our Brands: BOROTUFFâ„¢ | CHROMOTUFFâ„¢
Product Overview
BOROTUFFâ„¢ and CHROMOTUFFâ„¢ are advanced composite wear plates developed
using German technology by Leomet Alloys. These Chromium Carbide Overlay (CCO)
Plates are engineered for superior performance in environments experiencing high
abrasion, erosion, and moderate impact.
They are ideal for industrial sectors such as cement, mining, power, steel, recycling, and
more — wherever abrasion resistance, durability, and reliability are required.
Chemical Composition
| Element |
BOROTUFFâ„¢ (%) |
CHROMOTUFFâ„¢ (%) |
| Carbon (C) |
3.5 – 6.0 |
3.5 – 6.0 |
| Silicon (Si) |
0.5 – 1.0 |
0.5 – 2.0 |
| Manganese (Mn) |
0.5 – 2.0 |
0.5 – 2.0 |
| Chromium (Cr) |
22 – 28 |
22 – 30 |
| Boron (B) |
0.5 – 1.5 |
— |
| Iron (Fe) |
Balance |
Balance |
Hardness Ratings
| Overlay Thickness |
BOROTUFFâ„¢ (HRC) |
CHROMOTUFFâ„¢ (HRC) |
| 4.0 mm |
57 – 61 |
57 – 60 |
| 8.0 mm |
58 – 62 |
59 – 63 |
Microstructure Analysis
| Phase Type |
BOROTUFFâ„¢ (%) |
CHROMOTUFFâ„¢ (%) |
| Primary Chromium Carbides |
35 – 40 |
40 – 44 |
| Eutectic Carbides |
20 – 28 |
22 – 26 |
| Martensite |
14 – 20 |
10 – 14 |
| Austenite |
12 – 16 |
20 – 25 |
Both plates exhibit a highly wear-resistant microstructure combining carbides in an
austenitic/martensitic matrix.
Standard Thickness & Sizes
| Common Configurations |
Available Sizes (mm) |
| 3+3, 6+4, 8+4, 8+5, 10+5, 16+4, 10+10 |
1300 x 3000 / 1420 x 3000 |
Custom thicknesses, multilayer overlays, and special cuts available on request.
Fabrication Guidelines
-
Cutting: Plasma, laser, or air arc gouging
-
Welding: Weld from the base side using standard low hydrogen electrodes
-
Bending: Limited bending possible depending on thickness
-
Mounting: Plug welds, bolting, or clamping depending on application
Wear Resistance Scale
| Factor |
BOROTUFFâ„¢ |
CHROMOTUFFâ„¢ |
| Abrasion |
★★★★★★★★★☆ |
★★★★★★★★★☆ |
| Erosion |
★★★★★★★☆☆☆ |
★★★★★★★☆☆☆ |
| Impact |
★★★★★★☆☆☆ |
★★★★★★☆☆☆ |
| Corrosion |
★★★★★★☆☆☆☆ |
★★★★★★☆☆☆☆ |
| Temperature |
★★★★★☆☆☆☆☆ |
★★★★★☆☆☆☆☆ |
Application Areas
| BOROTUFFâ„¢ |
CHROMOTUFFâ„¢ |
| Fan Blades & Casings |
Discharge Chutes & Hoppers |
| Guide Vanes & Louver Rings |
Mixer Blades |
| Classifier Blades |
Classifier Blades |
| Mill Liners |
Screw Conveyors |
| Nozzle Ring Assemblies |
Fan Blades |
Why Choose BOROTUFFâ„¢ & CHROMOTUFFâ„¢ by Leomet Alloys?
-
Manufactured using advanced German overlay welding technology
-
Proven performance in critical wear zones
-
Extended service life & cost-efficiency
-
Strong technical support and fast delivery from stockyards in Mumbai & UAE
-
Trusted brand with over 1200 MT ready stock
