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The Ultimate Guide to Chromium Carbide Overlay (CCO) Plates: Wear Solutions for Pakistan’s Industries

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Introduction

In high-impact industrial environments, standard mild steel isn’t enough. Whether you are operating a cement kiln in Punjab or a mining site in Balochistan, equipment downtime due to abrasive wear is a profit killer. At Welding Solution, we introduce our premium range of Chromium Carbide Overlay (CCO) Plates—engineered to provide the ultimate defense against extreme abrasion.


Technical Excellence: What Makes Our CCO Plate Different?

The performance of a wear plate isn’t just about thickness; it’s about the microstructure. Our plates feature a high-density concentration of primary chromium carbides, ensuring your machinery lasts up to 10x longer than standard hardened steel.

Key Specifications Table

FeatureTechnical Data
Hardness Range60 – 63 HRC (Rockwell Hardness)
Chemical Composition~4.5% Carbon (C) / 32% Chromium (Cr)
Base Plate OptionsS235JR, Stainless Steel, or CrMo Alloys
Max Operating TempUp to 600°C
Standard Sizes (Custom sizes available)1500×3000 mm, 2000×4000 mm

Fabrication & Precision Services

Unlike through-hardened plates which can be brittle, our bimetallic plates offer a tough, weldable substrate with a diamond-hard surface. This allows for complex fabrication without compromising the integrity of the material.

  • Precision Plasma Profiling: We provide clean, accurate cuts for complex geometries.
  • Custom Bending & Rolling: Create pipes, cones, and liners for chutes and hoppers.
  • Mounting Options: Countersunk holes, threaded inserts, and plug-welding capabilities.

Pro Tip: Because the base plate of our CCO range is weldable steel (like St 37-2), you can easily attach flanges and brackets using standard welding techniques—saving you time on-site.


Applications Across Pakistan’s Key Industries

  • Cement Industry: Chute liners, fan blades, and separator bodies.
  • Power Generation: Coal handling systems and ash ducting.
  • Mining & Quarrying: Crusher liners, bucket lips, and screen plates.
  • Sugar Mills: Cane knives, shredder parts, and conveyor liners.

Frequently Asked Questions (FAQs)

1. Why choose CCO Plate over AR400 or AR500 steel?

AR400 is through-hardened steel, which is great for impact but fails quickly under high-sliding abrasion. Chromium Carbide Overlay plates provide a much higher surface hardness (63 HRC), offering superior longevity in sliding-wear applications.

2. Can Chromium Carbide plates be welded?

Yes. You weld the base plate (the mild steel side) using standard E7018 or similar electrodes. For joining the overlay side, a hardfacing electrode is recommended to maintain wear continuity.

3. Does Welding Solution provide quality certification?

Absolutely. Every plate delivered by Welding Solution comes with a Quality Test Certificate (QTC) verifying the hardness and chemical composition.


Ready to Protect Your Assets?

Don’t let abrasion halt your production. Get a technical consultation and a competitive quote from Pakistan’s leading welding experts.

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