Chennai
+919029362692

'scale buildup cement'

Items tagged with 'scale buildup cement'

product image
Outer Half Round 90 Degree Bend Tube Shield

Ladhani Metal Corporation manufactures high-strength SS 420 Outer Half Round 90 Degree Bend Tube Shields engineered to protect the outer arc of 90-degree bends and U-bend tubes in boilers, superheaters, reheaters, and heat exchangers. Made from martensitic stainless steel grade SS 420, these shields provide excellent resistance to wear, scaling, and moderate corrosion. With high hardness and superior mechanical durability, SS 420 shields are ideal for protecting high-stress bend sections exposed to fly ash erosion, abrasive particulate flow, and elevated temperatures. The semi-cylindrical design is precisely formed to match the outer curvature of tube bends, delivering a close, secure fit that enhances thermal protection and structural integrity. These shields are widely used in industries requiring impact resistance and long-term durability in high-temperature service environments. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of SS 420 Outer Half Round 90 Degree Bend Tube Shields, offering custom-made options suited to specific plant and coil requirements. SS 420 Grade Chemical Composition – Martensitic Stainless Steel • Carbon (C): 0.15 – 0.40% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 12.0 – 14.0% • Nickel (Ni): ≤ 0.75% • Iron (Fe): Balance Applications: Suitable for use in high-temperature, erosion-prone boiler environments, waste heat recovery units, and thermal process systems requiring high hardness and strength. Uses • Protection of outer U-bends and 90-degree curves in boilers and HRSGs • Applied in waste heat sections of reformers and exhaust ducts • Shields curved tube surfaces from mechanical impact and fly ash erosion • Ideal for process units where scale and soot buildup are prevalent Features • High hardness – Provides excellent wear and erosion resistance • Thermal endurance – Performs reliably under elevated temperatures • Corrosion resistance – Withstands flue gas and mildly aggressive media • Precision-engineered – Conforms to tube geometry for optimal fit • Flexible mounting – Clamp-on, weld-on, or banding as per application • Custom sizes – Offered in multiple lengths, bend radii, and thicknesses Applications • Thermal power plants – Shields high-wear tube bends in superheater and reheater sections • Waste heat boilers – Protects curved sections in ash-rich environments • Cement and pulp industries – Resists scale and gas flow damage • Petrochemical plants – Used in high-temperature convection and process coils Conclusion The SS 420 Outer Half Round 90 Degree Bend Tube Shield by Ladhani Metal Corporation offers high-performance protection for curved tubes in demanding thermal and abrasive environments. With superior hardness, precise form, and corrosion resistance, it ensures longer service life and reduced maintenance in high-wear zones. For custom sizing, material selection, or technical specifications, contact Ladhani Metal Corporation.

Send Message
product image
U Type Inner Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are specially designed to protect boiler, superheater, and heat exchanger tubes from erosion, scaling, and thermal damage in high-temperature environments. These shields are essential in applications where tube surfaces are exposed to abrasive flue gases, slag buildup, and turbulent flow conditions. Their half-round design allows secure placement over straight or curved tube sections, offering durable protection and prolonging service life without requiring major system modifications. SS 420 U Type Inner Half Round Tube Shield The SS 420 U Type Inner Half Round Tube Shield is manufactured from martensitic stainless steel grade 420, known for its high surface hardness, excellent wear resistance, and fair corrosion resistance. This grade is ideal for applications where mechanical erosion is a concern. The inner U-type configuration is engineered to protect the internal curvature of U-bend tubes, which are commonly affected by localized turbulence, scale accumulation, and repeated thermal cycling. • Inner U Type Half Round Tube Shield – Specifically designed to guard the internal arc of U-bend tubes from erosion, slag impact, and high-temperature scaling. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of SS 420 U Type Inner Half Round Tube Shields, offering durable and cost-effective protective components for demanding industrial environments. Chemical Composition of SS 420 – Martensitic Stainless Steel • Carbon (C): 0.15 – 0.40% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 12.0 – 14.0% • Iron (Fe): Balance Applications: Ideal for systems where tubes are exposed to abrasive gases, slag, and scaling, especially where high surface hardness and moderate corrosion resistance are required. Uses • Installed on the inner arc of U-bend tubes in high-temperature boiler and superheater sections • Shields return bends in WHRBs, HRSGs, and industrial furnace coils exposed to abrasive or turbulent flow • Applied in curved tube sections of heat exchangers and reformers subject to slag and scale deposits • Used in chemical and petrochemical units handling combustion gases and steam • Effective in power and process plants where mechanical wear and erosion resistance are crucial Features • High wear resistance – Excellent surface hardness provides long-lasting protection in abrasive environments • Inner arc coverage – Shields areas prone to turbulence, scale buildup, and gas erosion • Thermal durability – Performs reliably in elevated temperature service conditions up to 650°C • Custom design – Tailored to match the exact tube bend radius and diameter for optimal protection • Simple installation – Compatible with clamp-on, weld-on, or banding methods for secure fitment • Economical solution – Combines durability and affordability for routine and critical tube protection needs Applications • thermal power plants – Protects inner surfaces of U-bends in superheaters and economizers from erosion • petrochemical processing – Shields tube bends exposed to acidic and particulate-laden gases • waste heat recovery units – Guards against scale and slag accumulation in WHRB and HRSG return bends • chemical industries – Provides erosion resistance in heat exchanger bends carrying corrosive vapors • furnaces and process heaters – Used on return coil sections exposed to direct flame or hot gases Conclusion The SS 420 U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – offers robust inner arc protection for U-bend tubes in high-wear and high-temperature applications. Its excellent hardness and mechanical resilience make it well-suited for thermal systems facing abrasive and corrosive environments. For technical assistance, customization, or quotations, please contact Ladhani Metal Corporation.

Send Message
product image
U Type Inner Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precision-engineered components designed to protect boiler tubes, superheaters, and heat exchanger coils from erosion, scaling, high-temperature oxidation, and mechanical wear. These shields are widely used in thermal power plants, petrochemical systems, and process industries where tubes are exposed to harsh operating conditions such as high-velocity flue gases, slag, and thermal cycling. Their semi-cylindrical shape allows for easy installation over both straight and curved tube surfaces without system disassembly. SS 410 U Type Inner Half Round Tube Shield The SS 410 U Type Inner Half Round Tube Shield is manufactured from martensitic stainless steel grade 410, which offers good corrosion resistance, excellent wear resistance, and moderate high-temperature strength. The inner U-type design is specifically configured to cover the internal arc of U-bend tubes, an area especially prone to erosion caused by turbulence, thermal gradients, and high-velocity gas impingement. SS 410 provides a hard, durable barrier against mechanical and thermal stress in industrial heat transfer equipment. • Inner U Type Half Round Tube Shield – Protects the internal bend of U-bend tubes from erosion, slag buildup, and high-temperature wear. Ladhani Metal Corporation is a dependable manufacturer, supplier, and exporter of SS 410 U Type Inner Half Round Tube Shields, offering cost-effective and durable protection solutions for critical tube components in high-temperature service environments. Chemical Composition of SS 410 – Martensitic Stainless Steel • Carbon (C): 0.08 – 0.15% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 11.5 – 13.5% • Nickel (Ni): ≤ 0.75% • Iron (Fe): Balance Applications: Best suited for moderate to high-temperature environments where abrasion resistance, mechanical strength, and oxidation resistance are important. Uses • Inner arc shielding of U-bend tubes in power plant boilers and superheaters exposed to flue gas turbulence • Protection of return bends in WHRBs and HRSGs where scaling and erosion are common • Applied in curved tube sections in steam reformers, furnaces, and heat exchangers • Ideal for use in chemical, cement, and metallurgical plants with abrasive flue gas and slag exposure • Suitable for systems requiring enhanced wear resistance under cyclic thermal loading Features • Good high-temperature oxidation resistance – Performs well in oxidizing atmospheres up to 650°C • Inner bend protection – Focused coverage for the area most affected by turbulent gas flow and erosion • Wear resistance – Offers excellent surface hardness and mechanical strength for long-term use • Secure fit – Custom-manufactured to match the tube’s radius and diameter for effective shielding • Quick installation – Can be fixed using clamp-on, banding, or welding techniques depending on system requirements • Cost-effective performance – Provides a durable and affordable solution for erosion and heat protection Applications • thermal power plants – Shields inner U-bends in boiler and superheater sections from erosion and slag impact • waste heat recovery systems – Used in WHRBs and HRSGs to protect internal tube arcs from scale and corrosion • petrochemical facilities – Installed in curved tube coils and return bends exposed to acidic and abrasive gas streams • industrial furnaces and reformers – Suitable for inner arc coverage in high-temperature gas flow zones • cement and chemical plants – Defends against mechanical wear and heat stress in return tube bends Conclusion The SS 410 U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a durable and cost-efficient solution for shielding the inner arc of U-bend tubes in thermally and mechanically demanding environments. Its martensitic structure and wear-resistant properties make it a reliable choice for protecting tube surfaces from erosion, scaling, and heat-induced damage in power and process applications. For custom orders, technical support, or quotations, please contact Ladhani Metal Corporation.

Send Message
product image
U Type Outer Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are specially engineered to protect boiler, superheater, and heat exchanger tubes from surface wear, high-temperature scaling, flue gas erosion, and slag buildup. These shields are widely used in thermal power plants, waste heat recovery systems, and high-temperature industrial processes. Designed in a half-round profile, they ensure secure and easy installation over curved or straight tubes, extending tube service life and reducing maintenance interruptions. Cr23Ni13 U Type Outer Half Round Tube Shield The Cr23Ni13 U Type Outer Half Round Tube Shield is manufactured from a high-alloy austenitic stainless steel containing approximately 23% chromium and 13% nickel. This alloy provides superior resistance to oxidation, high-temperature corrosion, and thermal fatigue. The outer U-type shield is designed to protect the external curvature of U-bend tubes, which are often exposed to the harshest operating conditions—such as direct flame impingement, slag attack, and aggressive flue gas streams. • Outer U Type Half Round Tube Shield – Offers targeted protection for the outer arc of U-bend tubes, shielding against intense heat, slag erosion, and high-velocity gas flow. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of Cr23Ni13 U Type Outer Half Round Tube Shields, offering durable, high-performance solutions for critical thermal and chemical environments. Chemical Composition of Cr23Ni13 – High-Alloy Austenitic Stainless Steel • Carbon (C): ≤ 0.08% • Manganese (Mn): ≤ 1.50% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.50% • Chromium (Cr): 22.0 – 24.0% • Nickel (Ni): 12.0 – 14.0% • Iron (Fe): Balance Applications: Ideal for high-temperature, oxidizing, and corrosive environments requiring strong thermal stability, scale resistance, and long-term tube protection. Uses • Shielding U-bend outer arcs in superheaters and reheaters exposed to direct flame and thermal cycling • Protection of return bends in waste heat recovery boilers (WHRBs) and heat recovery steam generators (HRSGs) • Coverage for high-temperature bends in petrochemical process heaters and cracking units • Applied in radiant coils and furnace tubes operating under oxidizing and high-velocity gas environments • Suitable for metallurgical, cement, and gas processing industries with extreme thermal conditions Features • Excellent oxidation and corrosion resistance – High chromium and nickel content ensures scale resistance in aggressive atmospheres • High thermal stability – Performs reliably at temperatures exceeding 1100°C, with resistance to thermal fatigue and distortion • Outer bend protection – Specifically guards the most vulnerable surface of the U-bend against slag and flame exposure • Custom fitment – Manufactured to match precise tube diameters and bend radii for tight, stable installation • Easy to install – Mountable with clamps, tack welds, or stainless bands without system disassembly • Long service life – Reduces frequency of tube replacement, enhancing system reliability and uptime Applications • thermal power plants – Used on outer arcs of U-bend tubes in boilers and superheaters to protect against slag and oxidation • petrochemical plants – Shields return bends in high-temperature heaters exposed to process gas erosion and carburization • waste heat recovery – Protects bends in WHRBs and HRSGs subjected to hot gas streams and temperature fluctuations • industrial furnaces – Installed in radiant sections and high-temperature piping in incinerators and process furnaces • cement and metallurgy industries – Applied to bends exposed to flame, dust, and thermal cycling under extreme heat Conclusion The Cr23Ni13 U Type Outer Half Round Tube Shield by Ladhani Metal Corporation—manufacturer, supplier, and exporter—is a robust, heat-resistant solution for protecting the outer curvature of U-bend tubes in aggressive thermal environments. With high oxidation resistance, thermal stability, and long-term structural durability, this shield is ideal for demanding applications in power, chemical, and industrial sectors where performance and reliability are critical. For technical consultation, custom orders, or quotations, please contact Ladhani Metal Corporation.

Send Message
product image
U Type Outer Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are engineered to protect boiler and heat exchanger tubes from surface erosion, slag deposition, scaling, and mechanical damage in high-temperature operating conditions. These shields are widely used in power plants, thermal processing units, and industrial boilers where tube surfaces face direct exposure to flue gases and abrasive particles. The half-round structure allows for easy installation over curved or straight sections, providing long-term tube protection and reducing unplanned maintenance. 1Cr13 U Type Outer Half Round Tube Shield The 1Cr13 U Type Outer Half Round Tube Shield is manufactured from 1Cr13, a martensitic stainless steel with good hardness, moderate corrosion resistance, and excellent resistance to high-temperature oxidation. This outer U-type configuration is designed to shield the outer arc of U-bend tubes where erosion, scaling, and heat-induced wear are most intense. With its balance of strength and heat resistance, 1Cr13 is suitable for service in moderately corrosive environments involving flue gas exposure and mechanical impact. • Outer U Type Half Round Tube Shield – Covers the outer curve of U-bend tubes, providing a protective barrier against gas erosion, flame impingement, and slag buildup. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of 1Cr13 U Type Outer Half Round Tube Shields, offering reliable protection for industrial systems operating under high thermal and abrasive conditions. Chemical Composition of 1Cr13 – Martensitic Stainless Steel • Carbon (C): ≤ 0.15% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 12.0 – 14.0% • Iron (Fe): Balance Applications: Suitable for applications with moderate corrosion exposure and high thermal and mechanical stress, including utility boilers, heat exchangers, and furnace systems. Uses • Protection of U-bend outer arcs in superheaters and reheaters in power and utility boilers • Shielding external tube curves in economizers, waste heat recovery units, and HRSGs • Coverage for return bends in industrial exhaust systems and flue gas ducts • Ideal for process heaters, furnace tubes, and high-temperature steam lines exposed to soot, slag, and scale • Suitable for systems requiring mechanical protection and moderate corrosion resistance Features • Good mechanical strength – Martensitic structure provides resistance to wear, abrasion, and high-velocity gas flow • Moderate corrosion resistance – Chromium content offers basic protection in mildly corrosive or oxidizing environments • Thermal stability – Maintains structural integrity in high-temperature zones with consistent exposure to flue gases • Outer arc protection – Specifically designed to guard the most exposed surface of U-bend tubes • Custom fit – Manufactured to match specific tube diameters and bend radii for precise, secure installation • Easy to install – Fastened using clamps, stainless bands, or tack welds without disrupting system operation • Economical and durable – Offers a cost-effective solution for extending tube service life under moderate conditions Applications • power plants – Used on U-bend outer arcs in superheaters and economizers to resist scaling and erosion • chemical and refining industries – Shields outer tube curves in process heaters exposed to heat and mechanical wear • waste heat recovery systems – Protects U-bend surfaces from slag and particulate impact in WHRBs and HRSGs • general industrial boilers – Provides protection in high-heat flue gas paths with minimal chloride exposure • metallurgy and cement processing – Applied in return bends in heating systems exposed to high-temperature dust and gas streams Conclusion The 1Cr13 U Type Outer Half Round Tube Shield by Ladhani Metal Corporation—manufacturer, supplier, and exporter—is a robust and cost-effective solution for shielding U-bend tube outer surfaces in boilers, heat exchangers, and industrial furnace systems. With reliable mechanical strength, moderate corrosion resistance, and high-temperature performance, this shield is ideal for systems requiring durable protection in abrasive and thermally demanding conditions. For technical consultation, custom orders, or quotations, please contact Ladhani Metal Corporation.

Send Message
product image
U Type Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precision-engineered components used to protect boiler and heat exchanger tubes from erosion, scaling, and high-temperature corrosion. These shields are widely applied in industrial systems exposed to thermal cycling, aggressive gases, and particulate flow. Their half-round shape allows for simple and secure installation over straight or curved tube surfaces, extending tube life and reducing maintenance needs. 1Cr25Ni20Si2 U Type Half Round Tube Shield The 1Cr25Ni20Si2 U Type Half Round Tube Shield is specifically designed for use in extreme high-temperature environments where oxidation, carburization, and thermal fatigue are major concerns. Fabricated from 1Cr25Ni20Si2, a high-chromium, high-nickel austenitic heat-resistant alloy with added silicon, this shield provides superior resistance to scaling, thermal deformation, and chemical attack. It is ideal for protecting U-bend sections in superheaters, reformers, and waste heat recovery systems operating under aggressive thermal and gas flow conditions. • Outer U Type Half Round Tube Shield – Defends the outer curvature of U-bends from flame impingement, slag buildup, and high-temperature oxidation. • Inner U Type Half Round Tube Shield – Shields the inner arc from turbulence-driven erosion, localized thermal stress, and scaling in cyclic heating zones. Ladhani Metal Corporation offers 1Cr25Ni20Si2 U Type Half Round Tube Shields for industries that demand long-term durability, high-temperature performance, and chemical resistance in critical tube bend applications. Chemical Composition of 1Cr25Ni20Si2 – High-Temperature Austenitic Stainless Steel • Carbon (C): ≤ 0.20% • Manganese (Mn): ≤ 1.50% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): 1.00 – 2.50% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Best suited for high-temperature, oxidizing, and carburizing environments such as petrochemical reformers, thermal reactors, and industrial boilers. Uses • Protection of U-bend tubes in superheaters and reheaters in thermal and captive power plants • Shielding tube bends in waste heat recovery boilers (WHRBs) and HRSGs subjected to slag and heat erosion • Guarding return bends in petrochemical steam reformers and cracking furnaces • Coverage for curved tubes in chemical reactors exposed to oxidizing and acidic gases • Ideal for industrial plants where prolonged exposure to thermal cycling and aggressive gas media is common Features • High-temperature strength – Maintains mechanical integrity and structural stability in service temperatures exceeding 1000°C. • Superior oxidation resistance – High chromium and silicon content offers excellent protection against scaling in air and oxidizing environments. • Carburization resistance – Resists carbon infiltration in environments rich in hydrocarbons and flue gases. • Full U-bend shielding – Available in both inner and outer U-type configurations for complete coverage of critical curved tube areas. • Custom fabrication – Precisely manufactured to match tube radius, bend angle, and diameter for a secure, vibration-resistant fit. • Easy to install – Mountable using clamps, bands, or tack welds without the need for system disassembly or extended shutdown. Applications • thermal power stations – Used on U-bend tubes in high-temperature sections of superheaters and reheaters to prevent scaling and heat-related fatigue. Increases equipment life and operational efficiency. • petrochemical refineries – Installed in steam reformers, cracking furnaces, and heaters exposed to oxidizing and carburizing gases. Delivers consistent protection under continuous heat stress. • waste heat recovery units – Shields return bends in WHRBs and HRSGs from slag abrasion and flue gas corrosion. Enhances resistance to thermal cycling. • chemical and metallurgical plants – Ideal for reactors, synthesis gas units, and process heat exchangers operating under severe thermal and chemical loads. • cement and glass industries – Applied in high-temperature gas flow lines and heater tubes where scale resistance and mechanical protection are essential. Conclusion The 1Cr25Ni20Si2 U Type Half Round Tube Shield by Ladhani Metal Corporation is a high-performance shielding solution engineered for extreme temperature and chemically aggressive environments. With its superior resistance to oxidation, carburization, and thermal fatigue, this alloy-based shield is ideal for power generation, petrochemical, and heavy industrial applications. Custom-fit for precision and ease of use, it offers long service life, reliability, and protection for the most demanding tube bend installations. For technical consultation, custom orders, or quotations, please contact Ladhani Metal Corporation.

Send Message
product image
U Type Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precision-engineered components used to protect boiler and heat exchanger tubes from erosion, scaling, and high-temperature corrosion. These shields are widely applied in industrial systems exposed to thermal cycling, aggressive gases, and particulate flow. Their half-round shape allows for simple and secure installation over straight or curved tube surfaces, extending tube life and reducing maintenance needs. SS 420 U Type Half Round Tube Shield The SS 420 U Type Half Round Tube Shield is manufactured from hardenable martensitic stainless steel, providing robust mechanical strength, surface hardness, and oxidation resistance in high-temperature service environments. Designed specifically for U-bend sections in heat exchangers, boilers, and superheaters, this shield offers dependable protection against scaling, thermal fatigue, and particulate erosion. The U-type configuration enables targeted shielding of both the inner and outer arcs of tube bends—critical areas where temperature gradients and gas velocity are highest. • Outer U Type Half Round Tube Shield – Protects the outer curve of U-bends from slag accumulation, flame impingement, and surface wear caused by high-velocity gas flow. • Inner U Type Half Round Tube Shield – Shields the inner arc against turbulence-induced erosion, scaling, and corrosion under thermal stress conditions. Ladhani Metal Corporation supplies SS 420 U Type Half Round Tube Shields tailored to meet the demands of thermal power, petrochemical, and process industries operating in elevated temperature ranges with limited corrosive exposure. Chemical Composition of SS 420 – Hardenable Martensitic Stainless Steel • Carbon (C): 0.15 – 0.40% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 12.0 – 14.0% • Nickel (Ni): ≤ 0.75% • Iron (Fe): Balance Applications: Ideal for systems requiring wear resistance, oxidation stability, and mechanical strength in dry, heat-intensive environments. Uses • Protection of U-bend tubes in thermal power plant superheaters and reheaters • Coverage for curved tube sections in WHRBs and HRSGs exposed to abrasive gas flow • Shielding tube bends in chemical reactors and reformers where thermal shock and particulate wear are common • Erosion prevention in return bends of condensers, evaporators, and economizers • Suitable for heat exchanger systems with low moisture and minimal chemical corrosion Features • Excellent surface hardness – SS 420 can be heat-treated for increased hardness and wear resistance, making it suitable for erosive and abrasive service. • Good oxidation resistance – Performs effectively in dry air at elevated temperatures, helping prevent surface scaling and material degradation. • Full bend protection – Offered in both inner and outer U-type forms to ensure total shielding of critical tube bend areas. • Tight and secure fit – Engineered to match tube radius and diameter, ensuring vibration-free performance and minimal exposure. • Simple installation – Can be easily mounted using banding, clamping, or light tack welding without requiring full system shutdown. • Cost-effective solution – Provides a balance of performance and affordability for moderately aggressive service conditions. Applications • thermal and captive power plants – Used on U-bends in reheaters and superheaters to combat flue gas erosion and temperature cycling. Ensures better tube life and heat retention. • refinery and process industries – Suitable for return bends in units with dry, high-temperature gas flow and minimal moisture-induced corrosion. • waste heat recovery systems – Shields U-shaped tubes in WHRBs from slag, particulate impact, and scale buildup. • cement and glass industries – Installed on high-temperature tubes exposed to solid-laden gas streams for wear resistance and surface stability. • chemical plants – Applied in select heat exchanger areas where scaling and erosion are more critical than chemical corrosion. Conclusion The SS 420 U Type Half Round Tube Shield by Ladhani Metal Corporation offers a rugged and efficient solution for protecting U-bend tubes exposed to heat, slag, and abrasive gas flow. With its ability to resist scaling, erosion, and surface fatigue, SS 420 is ideal for industries operating in dry, high-temperature environments. Precision fit, dual-arc protection, and easy installation make these shields a valuable addition to any boiler or heat exchanger system. For technical consultation, custom orders, or quotations, please contact Ladhani Metal Corporation.

Send Message
product image
Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are purpose-built components designed to extend the life of boiler, heat exchanger, and process tubes by offering robust protection from erosion, scaling, and thermal impact. These shields are essential for maintaining system performance and reducing unscheduled downtime in industries that operate under demanding thermal and mechanical conditions. SS 420 Half Round Tube Shield The SS 420 Half Round Tube Shield is a semi-cylindrical protector fabricated from martensitic stainless steel grade 420. Known for its high hardness, wear resistance, and moderate corrosion resistance, SS 420 is ideally suited for applications where abrasion and mechanical stress are predominant concerns. The half-round configuration ensures a secure fit over existing tubes, creating a physical barrier against direct exposure to high-velocity gases, fly ash, and thermal shocks. Its ability to retain strength at elevated temperatures makes it suitable for use in utility boilers, air preheaters, and other high-wear process systems. Chemical Composition of SS 420 – Martensitic Stainless Steel • Carbon (C): 0.15 – 0.40% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 12.0 – 14.0% • Nickel (Ni): ≤ 0.75% • Iron (Fe): Balance Uses • Boiler Tube Protection – Provides abrasion resistance in flue gas paths, soot blower zones, and areas exposed to particulate erosion in industrial boilers. • Heat Exchanger Shielding – Minimizes mechanical damage caused by turbulent flow and particulate-laden fluids, preserving heat transfer efficiency. • Furnace Tube Guarding – Protects furnace and kiln tubes from thermal scale buildup and flame impingement in harsh operating zones. • Steam and Condensate Systems – Shields tubes from vibration, pressure cycling, and moderate steam-induced corrosion. • Ash and Gas Flow Zones – Ideal for protecting tubes in areas of fly ash impact or high-speed combustion gas flow in WTE and biomass plants. Features • High Surface Hardness – Excellent resistance to surface wear, impact, and mechanical abrasion due to its high carbon and martensitic structure. • Moderate Corrosion Resistance – Withstands oxidizing and mildly corrosive conditions up to 650°C, suitable for moderate industrial atmospheres. • Structural Integrity – Maintains strength under pressure and temperature cycling, offering long service life in mechanical protection roles. • Easy Installation – The half-round design enables fast application in the field with minimal disruption to tube layout or operation. • Finishing Options – Available in bright annealed, pickled, or passivated surfaces depending on operational requirements. • Custom Built – Offered in varied lengths, diameters, thicknesses, and attachment styles (clamp-on or weld-on) to match specific installations. Applications • Thermal and Biomass Power Stations – Used to protect boiler tubes from ash erosion and gas turbulence in high-velocity flue paths. • Cement and Steel Industries – Shields kiln and heat recovery tubes from particulate impact, slag, and high-temperature dust environments. • Waste-to-Energy Plants – Guards tubes in combustion chambers and economizers where gas stream erosion and soot buildup are persistent issues. • Oil Refineries – Applied in heat exchangers and preheater tubes exposed to abrasive flow or moderate corrosion risk. • Pulp and Paper Mills – Used in black liquor recovery boilers and steam generators handling fibrous or corrosive waste products. • Air Preheaters – Ideal for tubes located in dust-laden environments requiring protection against wear and gas abrasion. Conclusion The SS 420 Half Round Tube Shield from Ladhani Metal Corporation offers a high-performance, wear-resistant solution for tube protection in mechanically aggressive and thermally intensive environments. Its martensitic structure provides outstanding surface hardness, making it especially effective in soot blower zones, high-velocity ducts, and areas subject to abrasive particle flow. While not intended for severe chemical environments, SS 420 delivers exceptional value where mechanical durability is the top priority. With full customization options and precision manufacturing, Ladhani Metal Corporation ensures durable, reliable shielding products tailored to your plant’s exact operational needs. For technical consultations, order customization, or to request a quotation, please contact Ladhani Metal Corporation.

Send Message
product image
half round tube shields

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are high-precision protective elements designed to safeguard boiler and heat exchanger tubes against mechanical wear, erosion, and high-temperature gas attack. These shields are essential in industrial systems where exposure to thermal cycling, high-velocity gases, and abrasive particles can rapidly degrade unprotected tubing. SS 410 Half Round Tube Shield The SS 410 Half Round Tube Shield is a semi-cylindrical tube protector manufactured using stainless steel grade 410. As a martensitic stainless steel, SS 410 offers a unique combination of good corrosion resistance, high mechanical strength, and excellent wear resistance. It is particularly suitable for environments with moderate corrosion exposure and significant mechanical stress. The half-round shape is precisely formed to ensure a tight fit over exposed tubes, providing a durable and reliable barrier that extends tube service life in industrial boilers, heat exchangers, and process equipment. Chemical Composition of SS 410 – Martensitic Stainless Steel • Carbon (C): 0.08 – 0.15% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 11.5 – 13.5% • Nickel (Ni): ≤ 0.75% • Iron (Fe): Balance Uses • Boiler Tube Protection – Provides abrasion and erosion resistance in utility and industrial boilers where tubes face harsh combustion environments. • Heat Exchanger Shielding – Reduces mechanical wear caused by high flow velocities and particulate impact in condensers and evaporators. • Furnace Tube Safeguarding – Protects radiant and convection tubes from scale buildup and flame impingement in high-temperature furnace applications. • Steam and Process Line Protection – Extends the life of piping systems in moderately corrosive environments with mechanical stress. • Air Preheater and Economizer Units – Shields tubes from dust-laden gas erosion in flue gas recovery systems. Features • Excellent Wear Resistance – High hardness and toughness of SS 410 make it ideal for shielding tubes exposed to abrasive flows or soot-blowing operations. • Good Oxidation Resistance – Performs reliably in mildly corrosive and oxidizing environments up to 650°C (1200°F). • High Strength – Provides superior mechanical durability under vibration, pressure, and impact loading conditions. • Easy to Fabricate and Install – Half-round design allows for quick field installation and secure clamping or welding without altering system layout. • Economical Option – Offers a cost-effective tube protection solution where severe corrosion resistance is not critical. • Customization – Available in different thicknesses, diameters, lengths, and surface finishes (pickled or bright annealed). Applications • Thermal Power Plants – Used in boiler and superheater tubes to resist wear from flue gas erosion and thermal fluctuations. • Cement and Steel Industries – Protects tubes in high-wear areas exposed to dust, ash, and scale in kilns, coolers, and furnaces. • Oil Refineries – Applied in areas where high strength is required along with moderate corrosion resistance, such as preheaters or tube bundles. • Chemical Plants – Suitable for process tubes in mildly corrosive environments with strong flow dynamics or steam load cycling. • Pulp and Paper Industry – Shields tubes in recovery and power boilers exposed to high-pressure steam and abrasive residues. • Biomass and Waste-to-Energy Plants – Guards against erosion from fly ash and combustion residues in environmentally demanding systems. Conclusion The SS 410 Half Round Tube Shield from Ladhani Metal Corporation is a robust and reliable solution for protecting critical tube systems subjected to mechanical wear and thermal stress. Its excellent hardness and strength make it especially effective in applications involving high-velocity gas flow, abrasive particles, and fluctuating temperatures. While not suited for highly corrosive environments, SS 410 excels in systems where durability, cost-efficiency, and resistance to erosion are key priorities. With customizable sizing and expert engineering support, Ladhani Metal Corporation ensures dependable, application-specific shielding solutions for a wide range of industries. For technical specifications, fabrication assistance, or pricing inquiries, please contact Ladhani Metal Corporation.

Send Message

Still searching for
scale buildup cement?