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As a leading manufacturer with over a decade of expertise, Jiangsu Wodon Wear Resistant New Material Co., Ltd. is proud to present our Power Plant Boiler Ash Handling Wear Resistant Chromium Carbide Overlay Pipe. Designed specifically for the demanding conditions of ash handling systems in thermal power plants, this pipe delivers exceptional durability against abrasive high-temperature ash, slag, and fly ash. Our pipes are engineered to extend service life by 3–5 times compared to conventional carbon steel pipes, reducing downtime and maintenance costs. With an annual export value of US$10–50 million and a global footprint spanning North America, Europe, Asia, and beyond, we are your trusted partner for reliable, high-performance wear-resistant solutions.
Key Features & Technical Specifications
Ultra-hard chromium carbide overlay: Hardness of HRC 56–62 provides superior resistance to sliding abrasion, erosion, and impact.
High-temperature tolerance: Operates continuously up to 550°C, ideal for hot ash and slag conveying.
Seamless base pipe options: Available in carbon steel (ASTM A106, A53) or alloy steel (ASTM A335), with customizable wall thickness.
Multiple connection types: Flanged, butt-welded, or grooved ends for easy integration into existing systems.
Customizable dimensions: Diameters from DN50 to DN1200, lengths up to 12 meters, and overlay thickness from 3mm to 12mm.
Consistent quality: Manufactured by automated welding processes with strict quality control, ensuring uniform hardness and thickness.
| Parameter | Value | Notes |
|---|---|---|
| Overlay Hardness | HRC 56–62 | Measured per ASTM E18 |
| Max Operating Temperature | 550°C | Higher on request |
| Overlay Thickness | 3–12 mm | Customizable |
| Base Pipe Wall Thickness | 6–30 mm | Depends on diameter |
| Diameter Range | DN50–DN1200 | Other sizes available |
| Length | 1–12 m | Custom lengths upon request |
Advantages for Your Ash Handling System
Reduced maintenance frequency: The wear-resistant overlay minimizes internal abrasion, allowing operation for months without replacement.
Lower total cost of ownership: Although initial investment is slightly higher than mild steel pipes, the extended lifespan and reduced downtime deliver significant savings over the long term.
Energy efficiency: Smooth internal surface reduces friction, lowering the power consumption of conveying fans and pumps.
Seamless integration: Available with standard flanges or welding bevels, our pipes can be directly substituted into existing ash handling networks.
Wide application range: Suitable for bottom ash, fly ash, slag, and even limestone slurry in power plants, cement plants, and mining operations.
Why Choose Jiangsu Wodon?
Since our establishment in 2014, we have grown into a globally recognized manufacturer with annual export revenue exceeding US$10 million. Our products are shipped from three major ports (Lianyungang, Tianjin, Shanghai) to over 20 countries across North America, South America, Europe, Asia, Africa, and Oceania. We maintain strict quality control at every stage, from raw material sourcing to final welding inspection. Our team has extensive experience customizing pipes for specific power plant requirements, including those with high-temperature zones or extreme ash loads. We are not just a supplier – we are a long-term partner committed to delivering wear-resistant solutions that keep your operations running smoothly.
Ready to upgrade your ash handling system? Contact us today for a quote or technical consultation. We provide free samples for testing, detailed drawings, and fast lead times (typically 15–30 days). Let us help you reduce your maintenance burden and improve plant reliability.
Frequently Asked Questions
Q: What is the typical lifespan of this chromium carbide overlay pipe in a power plant boiler ash handling system?
A: Lifespan depends on ash velocity, temperature, and composition. In typical bottom ash handling lines (conveying velocity 20-30 m/s, temperature 200-400°C), our pipes have shown a service life of 2-4 years, compared to 6-12 months for standard carbon steel pipes. We provide a wear guarantee based on your specific operating conditions.Q: Can you provide custom sizes and flanges?
A: Absolutely. We offer custom diameters (DN50-DN1200), wall thicknesses, and lengths up to 12 meters. Flanges can be supplied with any standard (ANSI, DIN, JIS) or custom drilling patterns. Please send your drawing or specification for a tailored solution.Q: How is the overlay applied, and what is the quality control?
A: The chromium carbide overlay is applied using automated flux-cored arc welding (FCAW) or plasma transferred arc (PTA) processes. Each pipe undergoes hardness testing (Rockwell), ultrasonic thickness measurement, and visual inspection. A certificate of quality is provided with every shipment.Q: Is your pipe suitable for high-temperature fly ash conveying (above 500°C)?
A: Yes, our standard overlay can withstand continuous temperatures up to 550°C. For higher temperatures (up to 700°C), we can use a special alloy overlay or a ceramic-lined option. Please advise your exact temperature range.Q: What is the minimum order quantity (MOQ) and lead time?
A: MOQ is typically 1 ton (about 10 meters of DN200 pipe). For standard sizes, lead time is 15-20 working days. Large orders or custom sizes may require 25-30 days. We accept small trial orders for qualification.Q: Do you have any certifications or test reports?
A: Our factory operates under ISO 9001 quality management system (certification available upon request). We also provide material test reports (MTR) and third-party inspection reports (e.g., SGS, BV) as needed. We do not claim any non-verified certifications.Q: Can you provide technical support for installation?
A: Yes, we offer free technical guidance via email, phone, or video call. For large projects, on-site installation supervision can be arranged at additional cost. Detailed welding procedures and installation manuals are also available.Q: How does your pipe compare to ceramic-lined pipes or basalt-lined pipes?
A: Chromium carbide overlay offers a good balance of wear resistance, impact toughness, and cost. It is more impact-resistant than ceramic linings and more temperature-resistant than basalt linings. For extremely abrasive or high-temperature applications, we can also recommend a hybrid solution.
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