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Items tagged with 'thermal scale buildup'

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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.

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Half Round Straight Tube Shield

Half Round Tube Shield Ladhani Metal Corporation manufactures SS 430 Half Round Straight Tube Shields to provide cost-effective protection for straight boiler and heat exchanger tubes in mildly corrosive and oxidizing environments. SS 430 is a ferritic stainless steel known for its good resistance to oxidation, thermal fatigue, and moderate corrosion in non-aggressive media. These shields are ideal for shielding tubes exposed to dry flue gases, ash, and scale buildup. SS 430 Half Round Straight Tube Shield The SS 430 Half Round Straight Tube Shield is designed to fit snugly over the exterior surface of straight tubes, forming a physical barrier that resists thermal cycling, soot-blowing erosion, and mechanical wear. With its high chromium content, SS 430 provides enhanced resistance to scaling at elevated temperatures. It is commonly used in power plants, economizers, WHRBs, and industrial boilers where consistent performance and affordability are important. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of SS 430 Half Round Straight Tube Shields, offering practical shielding solutions to extend the life of tubes in thermal and process equipment. Material Grade SS 430 – Ferritic stainless steel with good oxidation resistance and moderate corrosion protection in non-chloride environments. Chemical Composition of SS 430 • 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% • Iron (Fe): Balance Applications: Suitable for dry, clean flue gas zones and mildly corrosive environments with minimal exposure to chlorides or strong acids. Uses • Straight tube shielding in boiler flue gas paths • Protection in economizers and preheater sections • Used in WHRBs for dry particulate erosion prevention • Ideal for food, paper, and textile industries with clean gas flow • Applied in low-to-moderate temperature furnace and duct systems Features • Good oxidation resistance – Performs well in clean, dry heat environments • Cost-efficient – Affordable solution for basic erosion protection • Magnetic ferritic grade – Offers dimensional stability under temperature cycling • Resistant to scaling – Up to ~815°C in intermittent service • Customizable – Lengths, radius, and thickness tailored to project needs • Easy attachment – Suitable for weld-on, clamp-on, or banded installation Applications • thermal boilers – Low-cost shielding for tubes in flue passages • process heat exchangers – Protects tubes in moderately aggressive environments • industrial dryers and ovens – Used in clean-air heating systems • WHRBs – Economical shield in clean-burning furnaces • general steam systems – Prevents tube wear and extends service life Conclusion SS 430 Half Round Straight Tube Shields by Ladhani Metal Corporation are a durable and economical choice for protecting straight tubes from heat, scale, and dry flue gas abrasion. With its balance of thermal resistance and cost-effectiveness, it serves reliably across a wide range of industrial systems. For custom configurations and bulk orders, contact Ladhani Metal Corporation.

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Half Round Straight Tube Shield

Half Round Tube Shield Ladhani Metal Corporation manufactures precision-engineered Half Round Tube Shields designed to protect straight sections of boiler and heat exchanger tubes from wear, erosion, scaling, and thermal degradation. These shields are essential in areas where tubes are exposed to high-velocity gas flow, ash impact, or corrosive atmospheres. Their half-round, semi-cylindrical structure allows secure and quick installation on straight tube surfaces without the need for disassembly or major downtime. Half Round Straight Tube Shield The Half Round Straight Tube Shield is designed specifically to protect straight runs of boiler or exchanger tubes in high-temperature, corrosive, and abrasive service environments. These shields act as a barrier between the process medium and the tube surface, reducing the risk of tube thinning, cracking, and premature failure. Fabricated from a variety of stainless steels and heat-resistant alloys, the shields are available in multiple grades to suit varying application demands . Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of Half Round Straight Tube Shields, offering customizable shielding solutions for a wide range of thermal process equipment and conditions. Available Material Grades • Stainless Steels: SS 304, 304L, 310, 310S, 316, 316L, 410, 420, 430 • Heat-Resistant Alloys: 1Cr13, 1Cr18Ni9Ti, Cr25Ni20, 1Cr25Ni20Si2, Cr23Ni13, 1Cr20Ni14Si2, Inconel 600, and others Typical Chemical Composition (example – SS 304) • Carbon (C): ≤ 0.08% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 18.0 – 20.0% • Nickel (Ni): 8.0 – 10.5% • Iron (Fe): Balance Applications: Designed for use in systems where straight tube lengths are exposed to hot, corrosive gases, ash particles, or scaling environments. Uses • Protection of straight boiler tubes in high-temperature zones • Shielding of exchanger tubes in oil refineries and chemical plants • Surface protection in economizers, superheaters, and reheaters • Applied in Waste Heat Recovery Boilers (WHRBs) and HRSGs • Suitable for utility boilers in thermal and captive power plants Features • Corrosion-resistant – Manufactured from stainless steels and alloys suited for chemical and high-heat environments • Thermal stability – Capable of withstanding prolonged exposure to high temperatures without deformation • Wear protection – Prevents tube erosion from fly ash, flue gas, and thermal cycling • Precise fitment – Custom-bent and sized to match tube diameter and length requirements • Easy installation – Can be clamped, welded, or banded with minimal downtime • Custom options – Available in various lengths, wall thicknesses, and alloy choices Applications • thermal power plants – Protects straight tubes from scale buildup and gas impingement • petrochemical refineries – Used in process heaters and tube exchangers to combat high-temperature corrosion • WHRB systems – Applied in exhaust zones to preserve tube integrity • chemical processing units – Offers reliable protection in corrosive steam and flue environments • pulp and paper industry – Shields recovery boiler tubes from ash erosion and chemical attack Conclusion The Half Round Straight Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – provides robust protection for straight tube sections in boilers, heat exchangers, and process heaters. With a range of alloy options and custom-fit configurations, these shields enhance the durability and efficiency of heat transfer systems operating in corrosive, abrasive, or high-thermal-stress environments. For technical guidance, size customization, or pricing, contact Ladhani Metal Corporation.

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Half Round Tube Shield for LTSH Tube

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are designed to protect boiler tubes, heat exchanger coils, and superheaters from erosion, scaling, slag accumulation, and corrosive flue gases. These shields are widely used in thermal systems such as power plants, chemical processing units, and waste heat recovery boilers to improve tube longevity and reduce maintenance frequency. Their semi-cylindrical form allows easy installation on straight or curved tube surfaces in high-wear zones. SS 316 Half Round Tube Shield for LTSH Tube The SS 316 Half Round Tube Shield is manufactured from molybdenum-bearing austenitic stainless steel grade 316. Known for its excellent resistance to pitting, crevice corrosion, and chemical attack, SS 316 is ideal for environments where flue gas contains chlorides, moisture, or mildly acidic compounds. Designed specifically for Low Temperature Superheater (LTSH) applications, this shield provides critical surface protection in zones where steam is moderately superheated and tubes are exposed to ash, soot, and thermal cycling. The Low Temperature Superheater (LTSH) is a section in a boiler where saturated steam from the steam drum is superheated to a moderately higher temperature before entering the high-temperature superheater stages. Positioned in areas with relatively lower flue gas temperatures, the LTSH helps improve thermal efficiency and reduces moisture content in steam. Due to constant exposure to abrasive flue gases and ash, LTSH tubes are prone to wear and require protective shielding, such as half round tube shields, to extend service life. Ladhani Metal Corporation is a leading manufacturer, supplier, and exporter of SS 316 Half Round Tube Shields for LTSH applications, offering reliable and corrosion-resistant shielding solutions for extended tube performance. Chemical Composition of SS 316 – Austenitic Stainless Steel with Molybdenum • Carbon (C): ≤ 0.08% • 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: Suitable for low-temperature superheater zones exposed to corrosive ash, flue gas condensation, and thermal cycling, especially in coastal or chloride-rich environments. Uses • Installed on LTSH tubes in utility boilers to protect against acidic flue gas corrosion and soot erosion • Shields exposed tube sections in convection zones, economizers, and HRSG units • Applied in boilers using high-sulfur coal or biomass, where corrosion risks are elevated • Suitable for industrial steam systems and chemical processing units handling corrosive exhaust • Used in power plants operating in marine or high-humidity conditions Features • Superior corrosion resistance – Withstands chloride attack, acidic deposits, and moisture exposure • Thermal durability – Maintains mechanical strength and oxidation resistance under moderate heat • Custom fabrication – Manufactured to match the diameter and length of LTSH tubes for accurate fit • Easy to install – Compatible with welding, banding, or clamping methods • Reduces wear – Protects against pitting, scale buildup, and erosion in flue gas flow paths • Available in multiple thicknesses, lengths, and radii based on system design Applications • thermal power plants – Shields LTSH tubes to improve service life and efficiency • chemical plants – Applied in low-temperature zones of process boilers exposed to aggressive gases • waste heat recovery – Protects return coil sections from corrosion and erosion in WHRBs and HRSGs • industrial boilers – Guards tube surfaces in preheaters and economizers under corrosive flue conditions • steam generation systems – Used in moisture-laden or coastal plant environments requiring enhanced protection Conclusion The SS 316 Half Round Tube Shield for LTSH Tube by Ladhani Metal Corporation – manufacturer, supplier, and exporter – delivers high-performance protection for boiler and superheater tubes in corrosive, low-temperature environments. With its excellent corrosion resistance and reliable thermal performance, it ensures extended operational life and reduced maintenance in critical heat exchange systems. For technical support, customization, or pricing inquiries, please contact Ladhani Metal Corporation.

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U Type Inner Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are designed to protect boiler coils, heat exchanger tubes, and superheaters from erosion, scaling, slag deposition, and high-temperature damage. These shields are used extensively in thermal power plants, waste heat recovery systems, and process industries to extend tube life, reduce maintenance costs, and maintain thermal efficiency. Their semi-cylindrical design allows for easy and secure installation over straight or curved tube surfaces. 1Cr13 U Type Inner Half Round Tube Shield The 1Cr13 U Type Inner Half Round Tube Shield is fabricated from martensitic stainless steel 1Cr13, offering good mechanical strength, moderate corrosion resistance, and excellent wear resistance. This grade performs well in thermal systems subject to moderate chemical exposure and mechanical erosion. The inner U-type configuration is engineered to shield the inner arc of U-bend tubes, where turbulent flow, thermal cycling, and slag buildup are most intense and damaging. • Inner U Type Half Round Tube Shield – Covers the internal curvature of U-bend tubes, protecting against erosion, slag impact, and thermal degradation in high-flow areas. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of 1Cr13 U Type Inner Half Round Tube Shields, offering durable and cost-effective solutions for general-purpose heat protection in industrial systems. 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 moderately corrosive and abrasive environments with thermal exposure, where strength and erosion resistance are required. Uses • Installed on the inner arc of U-bend tubes in boilers and reheaters to resist erosion from flue gas flow • Shields inner bends in WHRBs and HRSGs subjected to scale buildup and thermal fatigue • Applied in curved tube sections of heat exchangers and evaporators operating under fluctuating temperatures • Used in process industries for protection against moderate corrosion and mechanical wear • Ideal for thermal units in power, petrochemical, and refining applications Features • Good wear and erosion resistance – Suitable for high-velocity gas flow zones • Inner arc protection – Shields critical U-bend areas where slag, turbulence, and thermal load are most severe • Moderate corrosion resistance – Performs well in mildly aggressive gas environments • Tailored fit – Custom-fabricated to match tube size and bend radius for precise protection • Easy installation – Compatible with clamp-on, weld-on, or banding methods • Cost-effective – An economical solution for routine protection of thermal system tube bends Applications • power generation – Inner U-bend protection in superheaters and economizers facing gas flow and scaling • waste heat recovery – Used in WHRBs to protect return bends from erosion and thermal damage • petrochemical processing – Applied in internal bends of steam reformers and exchangers • chemical industry – Suitable for use in reactors and thermal units operating under moderate heat and chemical exposure • industrial furnaces – Protects tube bends from slag deposits and temperature fluctuations Conclusion The 1Cr13 U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – offers reliable protection for U-bend tubes exposed to moderate thermal and erosive conditions. With its martensitic strength, wear resistance, and affordable performance, it is well-suited for a wide range of thermal and industrial process applications. For custom sizes, technical guidance, or quotations, please contact Ladhani Metal Corporation.

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U Type Inner Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are essential components used to protect heat exchanger tubes, boiler coils, and superheater assemblies from erosion, scaling, slag buildup, and high-temperature corrosion. Designed with a semi-cylindrical profile, they offer easy installation over straight or curved tube surfaces. These shields play a vital role in increasing service life, reducing tube maintenance, and ensuring the efficient operation of thermal systems across power generation, chemical processing, and petrochemical industries. 1Cr25Ni20Si2 U Type Inner Half Round Tube Shield The 1Cr25Ni20Si2 U Type Inner Half Round Tube Shield is fabricated from a high-temperature resistant chromium-nickel-silicon alloy steel. This grade offers excellent resistance to oxidation, sulfur corrosion, and thermal fatigue, even under prolonged exposure to temperatures above 1000°C. The inner U-type configuration is specifically designed to shield the internal curvature of U-bend tubes, a zone vulnerable to accelerated wear caused by flue gas turbulence, slag impact, and thermal cycling. • Inner U Type Half Round Tube Shield – Designed to cover the inside arc of U-bend tubes, offering protection from erosion, scale formation, and heat stress. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of 1Cr25Ni20Si2 U Type Inner Half Round Tube Shields, providing high-performance protective solutions for extreme temperature and chemically aggressive environments. Chemical Composition of 1Cr25Ni20Si2 – High Temperature Alloy Steel • Carbon (C): ≤ 0.20% • Manganese (Mn): ≤ 1.50% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): 1.80 – 2.50% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Suited for high-temperature environments with oxidizing, sulfurizing, or carburizing gases. Especially effective in boiler, furnace, and WHRB systems operating under cyclic thermal conditions. Uses • Installed on the inner arc of U-bend tubes in power plant boilers and superheaters exposed to slag and thermal stress • Protects curved tube bends in WHRBs, HRSGs, and reformers subjected to flue gas erosion and oxidation • Applied in heat exchangers and reactors operating in high-temperature and chemically active atmospheres • Used in furnace coils, metallurgical plants, and incinerators for protection from sulfur-laden and high-heat gas streams • Suitable for curved tube coils in petrochemical and process industries where scaling and corrosion are common Features • Excellent oxidation resistance – Performs effectively at continuous service temperatures up to 1100°C • Superior inner arc protection – Covers high-wear zones exposed to heat, slag, and turbulent gas flow • Enhanced thermal fatigue resistance – Designed for use in cyclic heating environments without distortion • Corrosion resistance – Withstands acid gases and sulfur-rich flue gases common in industrial combustion systems • Precision fitment – Fabricated to match specific tube sizes and bend radii for optimal protection and stability • Easy installation – Can be fixed using clamping, tack welding, or banding methods depending on system design Applications • power generation – Shields inner U-bend tubes in superheaters and reheaters from high-temperature erosion • waste heat recovery – Used in WHRBs and HRSGs to protect internal arcs against scaling and oxidation • petrochemical processing – Protects U-bend tubes in reformers and exchangers exposed to acidic gas streams • chemical industry – Ensures long-lasting performance in reactors and thermal processing equipment • metallurgical and furnace systems – Applied where high heat and slag exposure are routine Conclusion The 1Cr25Ni20Si2 U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – provides high-strength, heat-resistant shielding for the internal arcs of U-bend tubes operating in severe industrial environments. Its resistance to oxidation, corrosion, and thermal fatigue makes it a dependable solution for extending equipment life and performance under extreme conditions. For custom sizes, technical support, or pricing inquiries, please contact Ladhani Metal Corporation.

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U Type Inner Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are designed to protect heat exchanger tubes, boiler coils, and superheater assemblies from erosion, scaling, and surface degradation in high-temperature and corrosive environments. These shields are used extensively in power plants, chemical processing units, and industrial heating systems. Their half-round construction enables fast and secure installation over both straight and curved tube surfaces, providing an effective barrier against damage from flue gas, slag, and particulate impact. SS 430 U Type Inner Half Round Tube Shield The SS 430 U Type Inner Half Round Tube Shield is manufactured from ferritic stainless steel grade 430, known for its good corrosion resistance, excellent thermal conductivity, and oxidation resistance. It performs reliably in moderate-temperature applications and provides dependable protection against scaling and surface deterioration. The inner U-type configuration is specifically engineered to cover the inside arc of U-bend tubes, which are particularly vulnerable to high-velocity gas flow and localized heat concentration. • Inner U Type Half Round Tube Shield – Covers the internal curvature of U-bend tubes to guard against turbulence-driven erosion, slag buildup, and scaling in thermal systems. Ladhani Metal Corporation is a leading manufacturer, supplier, and exporter of SS 430 U Type Inner Half Round Tube Shields, offering reliable protection components for heat-exposed industrial systems. 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 Applications: Suitable for moderately corrosive and oxidizing environments where high thermal conductivity and scaling resistance are required, especially in non-welded systems. Uses • Installed on inner arc of U-bend tubes in boiler and superheater coils subject to flue gas turbulence • Protects return bends in WHRBs and HRSGs from surface degradation and slag impact • Used in heat exchangers and process heaters with moderate corrosion and temperature exposure • Applied in thermal processing plants, food-grade heating systems, and chemical units • Effective for curved coil protection in dryers, economizers, and incinerator heat recovery sections Features • Good corrosion and oxidation resistance – Performs well in moderately aggressive environments • Inner arc coverage – Specifically shields areas affected by heat, scale, and turbulent flow • Cost-effective – Offers a balance between performance and affordability for general-purpose applications • Thermal stability – Maintains structural integrity at service temperatures up to 815°C • Custom-fabricated – Tailored to match specific tube bend radius and outer diameter for secure fit • Easy installation – Compatible with clamp-on, banding, or weld-on mounting for fast and efficient assembly Applications • power generation – Used in superheater and economizer return bends to prevent scale and erosion • chemical and food industry – Applied in heat recovery systems requiring corrosion-resistant inner arc protection • waste heat recovery – Installed in WHRB and HRSG curved tubes to reduce slag and flue gas impact • dryers and kilns – Shields inner U-bend tubes in rotating or stationary heating equipment • process heating units – Provides mechanical and thermal protection for tubes exposed to oxidizing gas streams Conclusion The SS 430 U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a reliable and economical solution for protecting the inner arcs of U-bend tubes in moderately corrosive and thermal environments. With its ferritic composition, good thermal performance, and ease of installation, it is ideal for general-purpose heat system applications. For technical assistance, customized dimensions, or quotations, please contact Ladhani Metal Corporation

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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.

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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.

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