Tungsten Carbide Overlay Plate: 85-90 HRA for Extreme Abrasion

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Extreme Wear Solution: Tungsten Carbide Overlay for Mining, Oil & Heavy Industry

Extreme Wear Solution: Tungsten Carbide Overlay for Mining, Oil & Heavy Industry

Upgrade to tungsten carbide overlay with unmatched hardness (85-90 HRA) and 3-5X longer wear life than steel. Perfect for crushers, drills, and abrasive applications in mining, oil sands, and heavy machinery.
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Advantages of Tungsten Carbide Overlay

Unmatched Wear Resistance

Engineered substrates are eight times more resistant to scratching and abrasion in high-silicon environments (such as mining conveyors) than quenched steel.

Extended Equipment Lifespan​

By ​​withstanding extreme abrasion, impact, and sliding friction​​, overlay plate minimizes material loss, reducing the frequency of plate replacements and lowering long-term operational costs for heavy machinery.

Customizable Hardness & Composition​

Available in ​​multiple grades (AR400, AR500, chrome carbide, or nickel-based alloys)​​, overlay plate can be tailored to specific applications—whether for ​​crushing, dredging, or steel mill slag handling​​—ensuring optimal performance.

Cost-Effective Wear Solution​

Compared to replacing entire worn components, ​​overlay plate’s durable cladding extends the life of base steel structures (like carbon steel substrates) by 3–5x​​, delivering significant savings in maintenance and downtime.

Hardfacing Tungsten Carbide Overlay – 85-90 HRA Hardness for Extreme Abrasion Resistance

Tungsten Carbide Overlay: The Ultimate Wear Solution for Extreme Conditions

  Tungsten carbide overlay (TCO) plates deliver unmatched hardness and wear resistance, making them ideal for industries battling severe abrasion.  With HV 1500+ hardness, TCO outperforms traditional materials in mining, cement, and steel production.  Its brittle-tough balance ensures durability under high-impact loads, reducing downtime and replacement costs.

Key Applications: Mining, Construction, and Power Generation

  In the mining industry, TCO plates protect crusher liners, buckets, and chutes from damage caused by abrasive minerals.  Construction machinery such as bulldozer blades and mixer drums can thus have their service life extended.  Power plants use TCO in coal mills and ash systems to resist abrasive wear.  The oil/gas industry also uses TCO in harsh environments for drill bits and valve components.

Future Growth: Recycling Tech and New Industries

  Advancements in laser cladding and 3D overlay welding are expanding TCO’s use in aerospace and recycling machinery.  As industries prioritize cost efficiency and sustainability, TCO’s ability to be repaired and reused will drive adoption.  Expect broader use in agriculture, dredging, and heavy manufacturing as wear-resistant demands grow.

FAQ

Why are there so many cracks?

Due to the cooling rates of dissimilar metals. Our hard facing plate for coal chute liner is manufactured by welding which results in high temperatures. During the cooling, the plate goes through a stress relieving which is a natural process and does not effect the performance of the plate. The stress relief cracks should be between 3/4" - 2" apart. The cracks can be touched up by our chrome carbide welding rod.
Hard facing plate for coal chute liner is usually attached by countersunk bolts, welding studs, perimeter welding, or plug welding. Some methods are better suited than others depending on the specific application. For more detail on each method see the installation section.
Hard facing plate for coal chute liner cannot be machined or drilled. It can however be ground. Mild steel inserts are used to create countersunk or counter bored holes. hard facing plate for coal chute liner can be cut using plasma, Grinding wheel saw, or air-arc gouging.
Our product has no limit to quantity, it can be ordered according to customer requirement.

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What Our Clients Are Saying

Mark Rodriguez
Mark Rodriguez

Our excavator buckets with AR500 overlay plate needed resurfacing only once a year—before, we replaced them every 3 months. Huge cost savings and less downtime.

Linda Patel
Linda Patel

As a steel fabricator, we love that overlay plate comes in different hardness levels (AR400 vs. AR500). We match the grade to the job, and our clients get longer-lasting wear parts.

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Why Choose Us

Why Choose Us

Hard-plate® is an high-tech enterprise specializing in metal matrix hard-face wear resistant steel plate and wear resistant material manufacture. Relying on domestic famous institute, Hard-plate® researches and develops wear resistant material and hardfacing welding machine independently, passed the ISO quality mangement system, have dozens of own technologies, got rewarded as high-tech enterprise in 2007 and gained national innovation funds in 2010. Now, Hard-plate® has become domestic famous enterprise.

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