Kolkata
+919029362692

'scale accumulation cement'

Items tagged with 'scale accumulation cement'

product image
U Type Inner Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precisely engineered components used to safeguard boiler tubes, superheaters, and heat exchanger coils from erosion, scaling, thermal stress, and high-temperature corrosion. Their half-round construction enables quick and secure installation over straight or curved tube surfaces, offering long-term protection and minimizing maintenance in industrial heating systems, power plants, and petrochemical facilities. 1Cr18Ni9Ti U Type Inner Half Round Tube Shield The 1Cr18Ni9Ti U Type Inner Half Round Tube Shield is manufactured from a titanium-stabilized austenitic stainless steel grade, offering superior resistance to intergranular corrosion and oxidation at elevated temperatures. This grade is particularly effective in welded applications and thermal systems subjected to cycling and corrosive media. The inner U-type configuration is designed to shield the inside curvature of U-bend tubes, where turbulent gas flow, slag, and thermal concentration often cause accelerated wear and scaling. • Inner U Type Half Round Tube Shield – Designed to protect the internal arc of U-bend tubes from high-temperature scaling, slag impact, and turbulent gas erosion. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of 1Cr18Ni9Ti U Type Inner Half Round Tube Shields, offering durable, high-performance shielding solutions for critical thermal systems. Chemical Composition of 1Cr18Ni9Ti – Titanium-Stabilized Austenitic Stainless Steel • Carbon (C): ≤ 0.12% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 17.0 – 19.0% • Nickel (Ni): 8.0 – 11.0% • Titanium (Ti): Stabilized as required • Iron (Fe): Balance Applications: Ideal for welded and high-temperature systems exposed to oxidation, intergranular corrosion, and chloride-bearing flue gases. Uses • Protects inner arcs of U-bend tubes in superheaters and reheaters of thermal power plants • Installed in return bends of waste heat recovery boilers (WHRBs) and HRSGs facing slag and scale accumulation • Applied in curved tube sections in chemical reactors and heat exchangers exposed to acidic or oxidizing gases • Suitable for marine and coastal heating systems where chlorides and moisture are present • Used in food processing, metallurgical furnaces, and process plants requiring stable, high-temperature performance Features • Excellent intergranular corrosion resistance – Stabilized with titanium to prevent carbide precipitation • Inner arc protection – Shields high-stress areas from gas turbulence and heat-induced damage • High-temperature performance – Reliable up to 870°C in oxidizing environments • Custom fit – Fabricated to match specific tube diameters and bend radii for precise installation • Easy to install – Suitable for clamp-on, weld-on, or banding methods • Long service life – Reduces frequency of tube replacement and supports consistent thermal performance Applications • thermal power generation – Inner arc protection in U-bend tubes exposed to combustion gases and temperature fluctuations • petrochemical and fertilizer plants – Shields tube bends in reactors and reformers exposed to acidic gases • waste heat recovery – Guards inner surfaces of tube coils in WHRBs and HRSGs from scaling and corrosion • marine heat exchangers – Suitable for use in systems exposed to saltwater vapors and high humidity • industrial furnaces and incinerators – Provides internal bend protection under severe thermal cycling Conclusion The 1Cr18Ni9Ti U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – delivers robust and reliable protection for U-bend tubes operating in corrosive and high-temperature environments. With titanium stabilization and a custom-engineered fit, this shield ensures extended tube life, reduced wear, and optimized performance in industrial heating systems. For technical assistance, custom specifications, 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 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 Outer Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precision-crafted protective components used to shield boiler and heat exchanger tubes from high-temperature oxidation, slag accumulation, erosion, and thermal fatigue. These shields are essential in industrial systems where tubes are exposed to flue gases, particulate flow, and repeated heating cycles. Their half-round design enables efficient and secure installation over straight or curved tube sections, significantly extending tube life and reducing maintenance frequency. 1Cr25Ni20Si2 U Type Outer Half Round Tube Shield The 1Cr25Ni20Si2 U Type Outer Half Round Tube Shield is manufactured from a high-temperature resistant austenitic alloy containing 25% chromium, 20% nickel, and 2% silicon. This combination offers excellent oxidation resistance, strong thermal stability, and enhanced anti-scaling performance at elevated temperatures. Designed specifically to cover the outer arc of U-bend tubes, this shield protects surfaces most exposed to hot gases, flame impingement, and corrosive particles in demanding thermal environments. • Outer U Type Half Round Tube Shield – Protects the external arc of U-bend tubes from direct exposure to slag, high-velocity flue gas, and oxidizing atmospheres. Ladhani Metal Corporation is a reputed manufacturer, supplier, and exporter of 1Cr25Ni20Si2 U Type Outer Half Round Tube Shields, offering durable and heat-resistant solutions for thermal, petrochemical, and metallurgical applications. Chemical Composition of 1Cr25Ni20Si2 – Austenitic Heat-Resistant Alloy • Carbon (C): ≤ 0.10% • Manganese (Mn): ≤ 1.50% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): 1.50 – 2.50% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Best suited for environments requiring resistance to oxidation, thermal cycling, and high-temperature corrosion, especially in furnaces and exhaust systems. Uses • Outer arc protection of U-bend tubes in reheaters and superheaters exposed to slag, flame, and flue gas in power plants • Shielding external curves of return bends in waste heat recovery units (WHRBs) and HRSGs • Applied in radiant coils and heat exchanger bends operating in high-temperature industrial furnaces • Suitable for petrochemical processing units, steam reformers, and chemical heaters handling oxidizing or carburizing gases • Ideal for high-heat metallurgical and cement kiln systems requiring thermal fatigue and scale resistance Features • Excellent high-temperature oxidation resistance – High chromium and silicon content forms a stable protective scale layer • Enhanced anti-scaling performance – Withstands prolonged exposure to oxidizing environments up to 1150°C • Outer bend protection – Shields the most exposed section of U-bend tubes from erosion, slag, and thermal impact • Precision fitment – Custom-made to match tube radius and diameter for secure, rattle-free installation • Easy to install – Secured by clamps, stainless steel bands, or tack welding without disassembling the system • Long operational lifespan – Reduces tube wear and replacement frequency in aggressive thermal service conditions Applications • power generation – Used on U-bend outer arcs in superheaters and reheaters for oxidation and slag protection • petrochemical plants – Shields tube bends in reformers and high-temperature heaters exposed to process gas erosion • waste heat recovery boilers – Installed in WHRBs and HRSGs operating under fluctuating temperatures and gas flow • cement and metallurgy industries – Protects curved tubes and heat exchanger bends exposed to high-temperature dust and gas streams • furnace and incineration systems – Applied to outer arcs in radiant coils subjected to direct flame and extreme heat Conclusion The 1Cr25Ni20Si2 U Type Outer Half Round Tube Shield by Ladhani Metal Corporation—manufacturer, supplier, and exporter—is a high-performance shielding component designed for the most demanding high-temperature industrial environments. With its superior oxidation resistance, scale protection, and thermal fatigue strength, it provides lasting protection to U-bend tubes in boilers, furnaces, and heat exchangers across the power, petrochemical, and metallurgical sectors. 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. Cr23Ni13 U Type Half Round Tube Shield The Cr23Ni13 U Type Half Round Tube Shield is designed to provide high-temperature and corrosion protection for U-bend tube sections in critical thermal and process equipment. Made from Cr23Ni13, an austenitic stainless steel alloy containing approximately 23% chromium and 13% nickel, this shield offers excellent resistance to oxidation, scaling, and carburization. It is particularly effective in applications involving fluctuating temperatures, aggressive gas streams, and surface wear. The U-type design ensures complete protection of both the inner and outer arcs of curved tubes, where damage due to thermal and flow-induced stress is most likely to occur. • Outer U Type Half Round Tube Shield – Protects the outer bend radius from slag accumulation, flame impingement, and flue gas erosion. • Inner U Type Half Round Tube Shield – Shields the inner arc against turbulent flow wear, scale formation, and heat-induced deformation. Ladhani Metal Corporation supplies Cr23Ni13 U Type Half Round Tube Shields for use in high-performance industrial systems requiring reliable operation under thermal and chemical stress. Chemical Composition of Cr23Ni13 – Austenitic Heat-Resistant Stainless Steel • Carbon (C): ≤ 0.15% • Manganese (Mn): ≤ 1.50% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.50% • Chromium (Cr): 22.0 – 24.0% • Nickel (Ni): 12.0 – 14.0% • Iron (Fe): Balance Applications: Best suited for high-temperature applications requiring good resistance to oxidation, thermal fatigue, and moderate carburizing or corrosive environments. Uses • Protection of U-bend tubes in superheaters, reheaters, and boiler coils in thermal power plants • Shielding of tube bends in chemical reformers, preheaters, and gas-fired furnaces • Guarding return bends in WHRBs and HRSGs exposed to particulate-laden flue gases and cyclic heating • Coverage for high-temperature tube curves in petrochemical and refining units • Ideal for heavy industrial systems operating under oxidizing and moderately corrosive gas flow Features • Excellent heat resistance – Withstands continuous operation in high-temperature conditions while resisting scaling and oxidation. • Good corrosion resistance – Chromium and nickel content provide stability in oxidizing and mildly corrosive environments. • U-bend coverage – Available in inner and outer U-type designs for complete tube bend protection. • Precision fitment – Custom-engineered to match the tube's radius and diameter for a secure, stable installation. • Fast installation – Can be attached using clamps, tack welding, or stainless banding without interrupting system operation. • Long-lasting durability – Designed to endure thermal cycling and mechanical wear, reducing the need for frequent replacements. Applications • thermal and industrial boilers – Used in U-bends of superheaters and reheaters to prevent scaling, wear, and fatigue cracking. Enhances heat transfer and reliability. • petrochemical industries – Installed in high-temperature processing units such as reformers and gas converters to guard against carburizing gas streams. • waste heat recovery systems – Protects U-bend tubes in WHRBs and HRSGs from slag erosion and high-temperature oxidation. • chemical processing plants – Suitable for heat exchanger tube bends handling oxidizing gases and acidic vapors at elevated temperatures. • metallurgy and furnace systems – Shields return bends and elbows in air preheaters, combustion chambers, and radiant heating tubes. Conclusion The Cr23Ni13 U Type Half Round Tube Shield by Ladhani Metal Corporation offers durable and effective protection for U-bend tube sections in high-temperature and moderate corrosion service. With its balanced chromium-nickel composition, this shield ensures reliable resistance to oxidation, scaling, and erosion in demanding thermal environments. Designed for precision fit, quick installation, and long-term performance, it supports the safe and efficient operation of power plants, chemical processing systems, and heavy industrial boilers. 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
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 316L U Type Half Round Tube Shield The SS 316L U Type Half Round Tube Shield is specifically designed to offer enhanced protection to U-bend sections in heat exchangers, superheaters, and steam reformers. Fabricated from SS 316L, a low-carbon austenitic stainless steel alloyed with molybdenum, it delivers superior resistance to pitting, crevice corrosion, and intergranular attack in chloride-rich and high-temperature environments. The U-type design allows for seamless coverage of both the inner and outer arcs of tube bends, where thermal and mechanical stresses are most concentrated. • Outer U Type Half Round Tube Shield – Protects the outer bend of the tube against high-velocity gas impact, slag accumulation, and surface oxidation. • Inner U Type Half Round Tube Shield – Shields the inner curve from localized erosion, turbulence-related wear, and thermal fatigue cracking. Ladhani Metal Corporation manufactures and supplies SS 316L U Type Half Round Tube Shields for industries operating in corrosive, welded, or high-heat service conditions where enhanced durability and metallurgical stability are critical. Chemical Composition of SS 316L – Low Carbon Austenitic Stainless Steel • Carbon (C): ≤ 0.03% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 16.0 – 18.0% • Nickel (Ni): 10.0 – 14.0% • Molybdenum (Mo): 2.0 – 3.0% • Iron (Fe): Balance Applications: Specifically suited for high-chloride, welded, and high-temperature systems where corrosion resistance and thermal stability are essential. Uses • Protection of U-bend tube sections in superheaters and reheaters in thermal power plants • Coverage for return bends in chemical heat exchangers and ammonia reformers • Shielding curved tube segments in WHRBs and HRSGs exposed to thermal cycling • Corrosion and wear protection in condensers and evaporators operating with chlorides or acidic gases • Ideal for coastal, offshore, and marine installations involving saline or humid environments Features • Corrosion-resistant low carbon grade – SS 316L’s reduced carbon content ensures resistance to sensitization and intergranular corrosion after welding. • High-performance under heat – Maintains structural integrity and corrosion resistance in elevated temperature applications. • Dual-bend protection – Available in inner and outer U-type configurations to safeguard the entire arc of the U-bend. • Custom-formed profiles – Engineered to precisely fit tube diameter and bend radius for secure and stable installation. • Quick installation – Designed for easy mounting via tack welds, banding, or clamping without requiring tube disassembly. • Tailored dimensions – Manufactured in a range of thicknesses, lengths, and profiles to meet exact project needs. Applications • thermal power plants – Installed on U-bend tubes in superheaters and reheaters to mitigate scale formation and corrosion due to flue gases. Enhances heat exchanger reliability and life span. • petrochemical refineries – Used in steam reformers and exchangers handling chlorides, acids, and hydrocarbons. Ensures long-term corrosion resistance in aggressive environments. • waste heat recovery units – Protects U-shaped tubes from erosion and cracking caused by fluctuating gas velocities and slag deposits. • fertilizer and chemical plants – Shields critical tube bends from acidic or chloride-containing media in reformers and process heaters. • marine and coastal systems – Provides anti-corrosion protection in salt-laden and humid atmospheres for extended tube life. Conclusion The SS 316L U Type Half Round Tube Shield by Ladhani Metal Corporation is a robust and corrosion-resistant solution for protecting U-bend tube sections in heat-intensive and chemically aggressive systems. With its low carbon content and molybdenum enhancement, it ensures excellent resistance to pitting, scaling, and intergranular corrosion. Available in inner and outer U-bend configurations and tailored to match system specifications, these shields offer reliable, long-lasting tube protection in power, chemical, marine, and industrial sectors. 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 precision-engineered components used to protect tubes in boilers, heat exchangers, and high-temperature process systems. Designed to reduce tube erosion, oxidation, and thermal fatigue, these shields play a critical role in maintaining the longevity and reliability of industrial equipment in thermally aggressive and corrosive environments. Cr23Ni13 Half Round Tube Shield The Cr23Ni13 Half Round Tube Shield is a semi-cylindrical protective sleeve manufactured from high-alloy stainless steel containing approximately 23% chromium and 13% nickel. This alloy provides excellent resistance to high-temperature oxidation, scaling, and corrosion, particularly in systems operating up to 1000°C. With an austenitic microstructure, Cr23Ni13 exhibits good strength, ductility, and resistance to thermal shock, making it ideal for use in heat-intensive industrial processes. The half-round shape allows for easy installation over existing tubes, creating a strong and secure shield against gas flow, flame impingement, and particulate erosion. Chemical Composition of Cr23Ni13 – Austenitic Heat-Resistant Stainless Steel • Carbon (C): ≤ 0.12% • Silicon (Si): ≤ 1.50% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Chromium (Cr): 22.0 – 24.0% • Nickel (Ni): 12.0 – 14.0% • Iron (Fe): Balance Uses • Superheater and Reheater Tube Protection – Prevents scaling and oxidation on boiler tubes exposed to high flue gas temperatures in thermal power stations. • Furnace Tube Shielding – Shields radiant and convection tubes from flame impingement, heat distortion, and thermal fatigue in process furnaces. • Heat Exchanger Tubes – Offers external protection against erosion and scaling in petrochemical and refining systems operating with hot gases. • Power and Steam Generation Systems – Used to protect steam tubing from oxidation and surface wear in continuous service at elevated temperatures. • Industrial Kilns and Incinerators – Guards exposed piping in rotary kilns and combustion chambers against corrosive deposits and heat damage. Features • High-Temperature Resistance – Performs reliably in continuous service up to 1000°C, maintaining strength and dimensional stability. • Oxidation and Scaling Protection – Chromium-rich composition creates a protective oxide layer that resists corrosion in oxidizing environments. • Austenitic Microstructure – Provides good mechanical strength, thermal expansion resistance, and excellent ductility under heat cycling. • Precision Half-Round Form – Designed for fast, secure installation over round tubes using welding or clamping techniques. • Durable Construction – Withstands vibration, thermal shock, and erosive gas flow common in industrial boilers and furnaces. • Custom Manufacturing – Offered in various diameters, wall thicknesses, and lengths to match specific application demands. • Optional Finishes – Available in pickled, passivated, or bright annealed surface finishes based on environmental and operational needs. Applications • Thermal and Utility Boilers – Shields superheater and economizer tubes from high-temperature corrosion and ash erosion. • Petrochemical Plants – Used in process heaters and reactors where external tube surfaces are exposed to oxidizing or carburizing atmospheres. • Refineries – Protects tubes in fired heaters and reformers against oxidation and mechanical degradation. • Waste-to-Energy Facilities – Guards boiler tubes from hot flue gas erosion and acidic gas corrosion in incineration systems. • Metallurgical Furnaces – Applied in steel and non-ferrous heat treatment plants to prevent oxidation and scale accumulation. • Cement and Lime Plants – Protects gas ducting and tube banks in preheaters, coolers, and flue recovery systems from abrasive dust and heat exposure. Conclusion The Cr23Ni13 Half Round Tube Shield by Ladhani Metal Corporation offers a reliable and efficient solution for tube protection in high-temperature and oxidizing environments. Its austenitic stainless steel composition ensures superior oxidation resistance, structural integrity, and longevity under continuous thermal stress. Whether used in boilers, furnaces, or reformers, these shields effectively reduce downtime, maintenance costs, and the risk of unexpected tube failures. With flexible customization, quality-controlled fabrication, and proven material performance, Ladhani Metal Corporation remains a trusted supplier of advanced shielding solutions for critical industrial applications. For detailed specifications, customization requests, or to obtain a quote, 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 precision-engineered components designed to protect the outer surfaces of boiler tubes, heat exchangers, and industrial piping systems from erosion, scale formation, and thermal fatigue. These shields play a crucial role in minimizing tube failure and improving overall equipment reliability in high-temperature and particulate-laden environments. SS 430 Half Round Tube Shield The SS 430 Half Round Tube Shield is a semi-cylindrical cladding made from ferritic stainless steel grade 430. With good corrosion resistance, excellent oxidation resistance, and superior thermal conductivity, SS 430 is well suited for non-pressurized or moderately corrosive environments. It is particularly effective in flue gas paths and air preheaters where thermal stress and ash erosion can degrade exposed tubes. The half-round geometry ensures easy, secure installation and a consistent protective barrier around the tube's surface, enhancing durability without interfering with system function. Chemical Composition of SS 430 – Ferritic Stainless Steel • Carbon (C): ≤ 0.12% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 16.0 – 18.0% • Nickel (Ni): ≤ 0.75% • Iron (Fe): Balance Uses • Boiler Tube Surface Protection – Shields tubes in low to moderate temperature zones from flue gas corrosion, ash abrasion, and thermal scaling. • Air Preheater Tubing – Guards against dust erosion in regenerative air preheaters and gas-to-air heat transfer zones. • Economizer Tube Protection – Used in downstream sections of boilers where lower temperatures allow for effective use of ferritic steels. • Steam Line Shields – Protects low-pressure steam tubing and condensate lines in systems not requiring austenitic stainless steel grades. • Heat Exchanger Outer Shells – Provides an extra layer of protection in air-cooled or shell-side applications exposed to mechanical wear. Features • Good Oxidation Resistance – Performs reliably in oxidizing conditions up to 815°C, ideal for flue gas exposure and dry ash environments. • Ferritic Structure – Offers better thermal conductivity and resistance to thermal expansion than austenitic grades, reducing distortion risk. • Corrosion Resistance – Resists corrosion from atmospheric moisture, flue gas condensates, and other mildly aggressive compounds. • Cost-Effective – Offers an economical alternative to higher alloy stainless steels in appropriate thermal zones. • Precision Fit – Half-round design enables quick installation and conforms closely to tube diameters for optimal protection. • Surface Finish Options – Supplied in bright annealed, pickled, or passivated finishes based on operational requirements. • Custom Fabrication – Available in a range of wall thicknesses, diameters, and lengths to meet plant-specific installation demands. Applications • Thermal Power Stations – Shields economizer and air preheater tubes from dust-laden exhaust gas erosion and moderate thermal stress. • Cement and Lime Kilns – Used to protect heat recovery and cooler tubes from dry ash abrasion in hot air ducts. • Food Processing Boilers – Applied in steam systems requiring corrosion resistance and thermal control under hygienic conditions. • HVAC and Utility Boilers – Installed in auxiliary boilers where conditions do not require high-alloy materials but demand durability. • Pulp and Paper Mills – Protects lower furnace zone tubes and stack-side economizers from condensate corrosion and soot accumulation. • Sugar and Distillery Plants – Guards process steam and heat recovery tubes from ash and scale in biomass and bagasse-fired units. Conclusion The SS 430 Half Round Tube Shield by Ladhani Metal Corporation is a durable, cost-efficient solution for protecting tubing systems in environments where moderate corrosion resistance, good oxidation behavior, and thermal stability are essential. It is best suited for dry, low to mid-temperature gas flow areas where the mechanical and thermal loads are not extreme. The ferritic stainless steel structure provides a favorable balance of performance and economy, particularly in large-scale power and process plants. With precision manufacturing, tailored dimensions, and reliable service, Ladhani Metal Corporation delivers proven tube protection technology trusted across multiple industries. For custom orders, sizing assistance, or to request a technical quote, please contact Ladhani Metal Corporation.

Send Message
product image
Boiler Half Round Tube Shield

Ladhani Metal Corporation offers 1Cr25Ni20Si2 Boiler Half Round Tube Shields engineered for superior protection of boiler tubes in extremely high-temperature and abrasive service environments. Manufactured from a heat-resistant austenitic stainless steel alloy with high chromium, nickel, and silicon content, 1Cr25Ni20Si2 delivers exceptional resistance to oxidation, carburization, and high-temperature scaling. The added silicon improves anti-oxidation properties and enhances structural stability during prolonged thermal exposure. These shields are precision-formed into a half-round profile to ensure accurate coverage of straight boiler tube sections. They provide a durable physical barrier against flue gas erosion, soot blower impact, and particle-laden gas flow, significantly extending the operational life of boiler tubes. Ladhani Metal Corporation manufactures, supplies, and exports 1Cr25Ni20Si2 Boiler Half Round Tube Shields in a wide range of sizes, thicknesses, and lengths, catering to both domestic and international markets. 1Cr25Ni20Si2 Grade Chemical Composition – Heat Resistant Austenitic Stainless Steel • Carbon (C): ≤ 0.12% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): 1.50 – 2.50% • Chromium (Cr): 24.00 – 26.00% • Nickel (Ni): 19.00 – 22.00% • Iron (Fe): Balance Uses • Shields straight boiler tubes in superheaters, reheaters, and economizers • Protects against oxidation, scaling, and particulate erosion • Suitable for carburizing and high-silicon demanding environments • Extends tube life in power generation and process heating units Features • Enhanced oxidation resistance – Silicon addition boosts scale resistance at extreme temperatures • Superior thermal stability – Maintains mechanical integrity during prolonged heat exposure • Precision-engineered profile – Ensures a secure and accurate fit over boiler tubes • Flexible installation – Can be welded, clamped, or banded based on site requirements • Export-ready – Compliant with international quality and dimensional standards Applications • Thermal power stations – Protects superheater and reheater tubes from oxidation and erosion • Waste heat boilers – Guards tubes in severe heat recovery operations • Petrochemical and refinery heaters – Resists carburization in furnace conditions • Metallurgy and cement industries – Provides reliable tube protection under abrasive, high-heat gas flows Conclusion The 1Cr25Ni20Si2 Boiler Half Round Tube Shield from Ladhani Metal Corporation is designed for extreme service conditions where oxidation, scaling, and high-temperature wear are major concerns. With its silicon-enhanced heat-resistant alloy composition and precise manufacturing, it ensures prolonged boiler tube life and reduced downtime. Available in customized sizes for both domestic and export orders, these shields offer dependable performance in the world’s toughest boiler and furnace environments. For specifications and order inquiries, contact Ladhani Metal Corporation. #Mumbai #Pune #Ahmedabad #Vadodara #Surat #Rajkot #Jamnagar #Bharuch #Ankleshwar #Vapi #Delhi #Faridabad #Ghaziabad #Noida #Gurugram #Chennai #Coimbatore #Tiruchirappalli #Hyderabad #Visakhapatnam #Vijayawada #Bangalore #Mangalore #Mysore #Kolkata #Durgapur #Asansol #Bhubaneswar #Rourkela #Raipur #Bhilai #Bilaspur #Nagpur #Nashik #Aurangabad #Indore #Bhopal #Jabalpur #Kanpur #Lucknow #Varanasi #Jaipur #Kota #Udaipur #Jodhpur #Chandigarh #Ludhiana #Jalandhar #Haridwar #Dehradun #Agra #Meerut #Aligarh #Moradabad #Bareilly #Mathura #Gwalior #Rewa #Satna #Sagar #Ujjain #Ratlam #Solapur #Kolhapur #Amravati #Akola #Jalgaon #Latur #Sangli #Nanded #Gandhinagar #Bhavnagar #Mehsana #Surendranagar #Junagadh #Nadiad #Nizamabad #Karimnagar #Warangal #Kurnool #Nellore #Tirupati #Salem #Erode #Madurai #Tirunelveli #Thoothukudi #Belgaum #Hubli #Tumkur #Hassan #Cuttack #Sambalpur #Jamshedpur #Ranchi #Dhanbad #Patna #Gaya #Muzaffarpur#halftubeshield #utypehalftubeshield #tubeshieldexporter #TubeShield #HalfTubeShield #SSHalfRoundShield #BoilerTubeShield #BoilerShield #TubeProtection #Tubeshieldmanufacturer #BoilerTubeProtection #SSTubeShield #MetalIndustry #SteelFabrication #IndustrialShielding #SS304Shield #SS316Shield #StainlessSteelShield #WeldOnShield #WeldedTubeShield #TubeCladding #BoilerTubeSleeve #TubeSleeve #MetalFabrication #PowerPlantSupplies #RefineryEquipment #ProcessIndustry #MetalComponent #TubeShieldForBoilers #BoilerParts #SteelSolutions #TubeShieldManufacturer #TubeShieldSupplier #SSShielding #IndustrialTubeShield #BoilerTubeGuard #CustomMetalParts #SteelIndustryIndia #MetalEngineering #HeavyIndustrySupply #StainlessSteelIndia #SteelExporters #MetalComponentExport #FabricatedProducts #SteelDealer #IndustrialSupplyIndia #BoilerTubeFittings #TubeShieldingSolutions #HalfTubeCover #HeatExchangerShield

Send Message

Still searching for
scale accumulation cement?