Chennai
+919029362692

'thermal fatigue makes'

Items tagged with 'thermal fatigue makes'

product image
Half Round Straight Tube Shield

Half Round Tube Shield Ladhani Metal Corporation manufactures Cr25Ni20 Half Round Straight Tube Shields for use in high-temperature industrial environments where resistance to oxidation, carburization, and thermal fatigue is critical. Cr25Ni20 is a heat-resistant alloy with a high chromium (25%) and nickel (20%) content, offering excellent stability under prolonged exposure to high heat and corrosive flue gases. This alloy is widely used in boilers, reformers, waste heat recovery systems, and thermal process units. Cr25Ni20 Half Round Straight Tube Shield The Cr25Ni20 Half Round Straight Tube Shield is precisely shaped to fit the outer surface of straight heat exchanger or boiler tubes. It forms a durable, semi-cylindrical layer of protection against high-temperature scaling, tube thinning, and erosion caused by particulate-laden flue gas. The shield enhances tube longevity in radiation zones and areas prone to direct flame or high-velocity gas flow. Its excellent thermal shock resistance also makes it suitable for cyclic heating and cooling conditions. Ladhani Metal Corporation is a leading manufacturer, supplier, and exporter of Cr25Ni20 Half Round Straight Tube Shields, delivering robust thermal shielding solutions for critical tube protection. Material Grade Cr25Ni20 – High chromium-nickel heat-resistant alloy Chemical Composition of Cr25Ni20 • Carbon (C): ≤ 0.08% • Silicon (Si): ≤ 1.5% • Manganese (Mn): ≤ 2.0% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Uses • Protection of boiler tubes in radiant and convection zones • Straight tube shielding in reformers and furnace outlets • High-temperature air and gas heater shielding • Application in coal gasification and petrochemical furnaces • Tube erosion prevention in thermal incineration units Features • Excellent high-temperature performance – Operates reliably above 1000°C • Resistant to oxidation and scale – Maintains surface integrity in oxidizing environments • Superior creep strength – Suitable for long-term service under thermal stress • Effective in carburizing atmospheres – Ideal for furnaces and gas reactors • Thermal fatigue resistance – Withstands repeated heating and cooling cycles • Custom fabrication – Available in multiple lengths, thicknesses, and diameters Applications • power generation boilers – Radiant zone tube protection • thermal cracking units – Resistant to flame impingement and high gas velocity • waste heat recovery boilers – Prolongs tube life in high-ash flue gas areas • fertilizer plants – Used in ammonia reformer tube protection • metallurgical furnaces – Shields exposed tubes in extreme temperature cycles Conclusion Cr25Ni20 Half Round Straight Tube Shields from Ladhani Metal Corporation offer outstanding durability and heat resistance, making them ideal for straight tubes operating in the most demanding high-temperature applications. Their high chromium and nickel content ensures reliable service where oxidation, erosion, and thermal cycling are a concern. For custom sizes, specifications, or technical consultations, 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 #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 #halftubeshield #utypehalftubeshield

Send Message
product image
Half Round Straight Tube Shield

SS 310S Half Round Straight Tube Shield Half Round Tube Shield Ladhani Metal Corporation manufactures SS 310S Half Round Straight Tube Shields designed to protect straight boiler and heat exchanger tubes from high-temperature oxidation, corrosion, and mechanical erosion. SS 310S is a low-carbon version of SS 310, offering enhanced weldability and resistance to sensitization during thermal exposure. These shields are especially suited for harsh environments involving continuous or cyclic high heat, making them ideal for industrial boilers, fired heaters, and heat recovery systems. SS 310S Half Round Straight Tube Shield The SS 310S Half Round Straight Tube Shield is fabricated to tightly fit over straight tube surfaces, offering durable protection in thermal processing units. Its resistance to scaling at temperatures up to 1100°C and excellent mechanical strength under elevated temperatures makes it reliable for shielding heat-affected tubes. With easy installation methods such as tack welding, clamping, or banding, these shields minimize downtime and maintenance in critical operations. Ladhani Metal Corporation is a leading manufacturer, supplier, and exporter of SS 310S Half Round Straight Tube Shields, offering custom solutions to meet the demanding conditions of thermal power plants, petrochemical facilities, and steam reformers. Material Grade SS 310S – Austenitic stainless steel with low carbon content and superior heat and oxidation resistance. Chemical Composition of SS 310S • Carbon (C): ≤ 0.08% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.50% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Recommended for continuous high-temperature service in aggressive gas environments, especially where welding and corrosion resistance are key. Uses • Shielding straight tubes in superheaters, reheaters, and steam coil systems • Protection against flue gas erosion in waste heat boilers • Heat shielding in fired process heaters and refinery furnaces • Lining straight tube segments in chemical and fertilizer heat exchangers • Defending against scaling and surface degradation in steam reformers Features • Low carbon for better weldability – Prevents sensitization and intergranular corrosion • High resistance to scaling – Maintains integrity under continuous exposure to extreme heat • Durable and long-lasting – Withstands mechanical and thermal fatigue • Available in custom sizes – Fabricated to match exact tube diameters and operating conditions • Quick installation – Compatible with standard weld-on, clamp-on, or banded attachment methods • High service life – Reduces tube wear and lowers maintenance frequency Applications • power generation – Installed on straight boiler tubes in areas with high thermal load and flue gas flow • refineries – Protects tubes in process heaters from oxidation and heat-related damage • petrochemical plants – Used in straight sections of heat exchangers and reformer coils • WHRB systems – Improves durability of tubes in gas turbine exhaust recovery units • fertilizer industry – Extends lifespan of tube sections exposed to acidic and high-temperature gas streams Conclusion The SS 310S Half Round Straight Tube Shield from Ladhani Metal Corporation provides superior protection in high-temperature environments, offering excellent oxidation resistance, long-term structural performance, and easy adaptability. Its low carbon content makes it suitable for welded applications where corrosion resistance must be preserved. Engineered for precision and performance, this shield is a reliable choice for heavy-duty thermal systems. For technical assistance, custom orders, or quotes, contact Ladhani Metal Corporation.

Send Message
product image
Half Round Straight Tube Shield

Half Round Tube Shield Ladhani Metal Corporation manufactures SS 304L Half Round Straight Tube Shields designed to protect straight sections of boiler and heat exchanger tubes from erosion, thermal fatigue, and corrosion caused by high-temperature gases and particulate matter. These shields are shaped to conform tightly to the outer tube surface, providing a protective barrier in high-wear zones. The SS 304L material offers excellent weldability and enhanced resistance to intergranular corrosion, making it ideal for shielding tubes in critical thermal environments. SS 304L Half Round Straight Tube Shield The SS 304L Half Round Straight Tube Shield is made from low-carbon austenitic stainless steel (304L), which minimizes carbide precipitation during welding and resists intergranular attack. This makes it especially useful for applications where welding is required during installation. The shield is installed over straight tube sections in boilers, superheaters, economizers, and steam processing equipment to extend tube life and reduce maintenance needs. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of SS 304L Half Round Straight Tube Shields, offering reliable tube protection solutions for industrial heating and energy systems. Material Grade SS 304L – Low-carbon variant of austenitic stainless steel with enhanced corrosion resistance and weldability. Chemical Composition of SS 304L • Carbon (C): ≤ 0.03% • 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 – 12.0% • Iron (Fe): Balance Applications: Ideal for systems involving welding, elevated temperatures, and corrosive steam or gas exposure. Uses • Shielding straight tubes in boilers and superheaters • Protection of economizer tubes and reheaters • Used in heat recovery steam generators (HRSGs) • Applied in steam reformers and chemical processing units • Effective in pulp and paper recovery boilers and refinery heaters Features • Intergranular corrosion resistance – Low carbon content prevents sensitization and weld decay • High-temperature strength – Maintains integrity under prolonged heat and gas exposure • Extended tube life – Minimizes erosion, slag buildup, and surface damage • Custom sizing – Available in various diameters, thicknesses, and lengths to match tube dimensions • Simple installation – Mounts securely using clamps, welding, or metal banding • Reduced maintenance – Lowers the need for frequent inspection and tube replacement Applications • power generation – Shields straight tube segments in LTSH and superheater zones from flue gas erosion • petrochemical plants – Protects tubes in high-humidity, chloride, and acidic processing environments • industrial boilers – Enhances tube longevity in zones prone to fly ash and slag contact • waste heat recovery systems – Extends operational life under thermal cycling and gas turbulence • marine boilers – Ideal for use in steam systems aboard ships exposed to saline and humid conditions Conclusion The SS 304L Half Round Straight Tube Shield by Ladhani Metal Corporation provides a robust and corrosion-resistant solution for protecting straight tube sections in thermal processing units. With its low carbon content, superior weldability, and durable performance in high-temperature environments, it is an optimal choice for industries focused on efficiency, reliability, and long service life. For custom fabrication, project-specific designs, or technical support, please contact Ladhani Metal Corporation.

Send Message
product image
Half Round Tube Shield for LTSH Tube

Half Round Tube Shield Ladhani Metal Corporation manufactures high-quality Half Round Tube Shields designed to protect boiler and heat exchanger tubes from erosion, scaling, and thermal fatigue. These shields are especially suited for systems where tubes are exposed to turbulent gas flow, particulate-laden environments, and fluctuating thermal cycles. The semi-cylindrical shape of the shield allows easy installation and reliable surface protection, extending the operational life of the tubes. 1Cr13 Half Round Tube Shield for LTSH Tube The 1Cr13 Half Round Tube Shield is fabricated from martensitic stainless steel containing approximately 13% chromium. Known for its good corrosion resistance, moderate heat resistance, and excellent wear strength, 1Cr13 is suitable for medium-temperature applications, especially in mildly corrosive or oxidizing environments. This makes it an ideal material for shielding LTSH (Low Temperature Superheater) tubes from flue gas erosion and ash abrasion. 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 reliable manufacturer, supplier, and exporter of 1Cr13 Half Round Tube Shields, delivering durable and cost-effective solutions for various thermal power and heat exchanger applications. Chemical Composition of 1Cr13 – Martensitic Stainless Steel • Carbon (C): 0.15 – 0.20% • 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: Suitable for moderately corrosive and abrasive environments, especially in boiler systems, where mechanical strength and oxidation resistance are required at elevated but controlled temperatures. Uses • Protection of LTSH tubes in thermal power plant boilers • Surface shielding in steam generators and utility boilers • Coverage of superheater coils in flue gas-exposed zones • Suitable for coal-fired and biomass-fired boiler applications • Used in refinery and petrochemical boilers with moderate gas exposure Features • Good corrosion and oxidation resistance – Provides reliable performance in mildly corrosive environments • Wear and erosion resistance – Withstands mechanical wear from ash and soot-laden gas streams • Precise custom fitting – Fabricated to match specific tube diameters and bend radii • Enhanced tube protection – Minimizes wear on LTSH tubes, increasing overall system lifespan • Easy installation – Supports clamp-on, weld-on, and banding installation options • Wide availability – Offered in various lengths, thicknesses, and profiles Applications • power generation – Used in LTSH zones to protect from flue gas erosion and slagging • WHRBs – Shields exposed surfaces of tube bends in waste heat recovery systems • chemical and fertilizer plants – Applied in steam systems requiring moderate temperature durability • cement industry – Suitable for boilers dealing with particulate exhaust gas environments • industrial utility boilers – Enhances tube life in fluctuating thermal load zones Conclusion The 1Cr13 Half Round Tube Shield for LTSH Tube by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a dependable solution for protecting tube surfaces in moderately corrosive, abrasive, and thermally active environments. Its martensitic stainless composition and mechanical durability make it ideal for power plants and process boilers requiring extended service life with lower maintenance needs. For customized dimensions, technical support, or quotation, contact Ladhani Metal Corporation.

Send Message
product image
Half Round Tube Shield for LTSH Tube

Half Round Tube Shield Half Round Tube Shields from Ladhani Metal Corporation are durable, precisely fabricated components used to protect boiler tubes from erosion, scaling, and corrosion caused by flue gas flow and particulate impact. Their half-round, semi-cylindrical structure is designed to conform closely to tube surfaces, especially in areas subjected to repeated thermal cycling or mechanical wear. These shields are extensively applied in boilers, heat exchangers, and waste heat recovery systems. 1Cr25Ni20Si2 Half Round Tube Shield for LTSH Tube The 1Cr25Ni20Si2 Half Round Tube Shield is manufactured from a high-performance chromium-nickel-silicon alloy designed for elevated-temperature service. With approximately 25% chromium, 20% nickel, and added silicon content, this alloy exhibits superior resistance to oxidation, thermal fatigue, and carburization. Its mechanical stability under high-temperature operation makes it a preferred material for protective applications in Low Temperature Superheater (LTSH) zones. 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 trusted manufacturer, supplier, and exporter of 1Cr25Ni20Si2 Half Round Tube Shields, offering high-performance shielding solutions tailored for harsh, heat-intensive industrial environments. Chemical Composition of 1Cr25Ni20Si2 – Chromium-Nickel-Silicon Heat-Resistant Steel • Carbon (C): ≤ 0.10% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): 1.5 – 2.5% • Chromium (Cr): 24.0 – 27.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Suitable for high-temperature steam systems, where resistance to flue gas corrosion, thermal oxidation, and mechanical fatigue is essential. Uses • Protects LTSH tubes in thermal power plants from scaling and soot-induced wear • Shields heat exchanger tubes from low-temperature corrosive gases and ash deposition • Used in boilers and HRSGs exposed to fluctuating temperature and combustion by-products • Suitable for high-wear areas in biomass boilers and incineration systems • Enhances operational life of reheater and superheater coil sections Features • High thermal stability – Withstands temperature fluctuations without structural deformation • Excellent oxidation and carburization resistance – Ideal for extended high-temperature exposure • Custom fit – Designed according to specific tube radii and coil geometries for accurate alignment • Reduced maintenance – Shields tubes from damage, minimizing downtime and repair costs • Versatile installation – Compatible with weld-on, clamp-on, and banding installation techniques • Long service life – Resistant to scaling and degradation in heat-intensive environments Applications • power generation boilers – Provides long-term protection for LTSH coils in flue gas zones • WHRBs and HRSGs – Used in low-temperature convection sections to counteract erosive gas flow • chemical and refining industries – Prevents corrosion in heat exchangers handling acidic media • marine steam systems – Protects low-temperature sections exposed to salt-laden air and gases • waste-to-energy plants – Shields boiler tubing from high-volume particulate streams Conclusion The 1Cr25Ni20Si2 Half Round Tube Shield for LTSH Tube by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a high-performance component designed for superior protection of boiler tubes in corrosive and thermally aggressive environments. It ensures durability, thermal resistance, and long-term reliability in LTSH and similar service applications. For specifications, custom fabrication, or bulk orders, 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 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.

Send Message
product image
U Type Inner Half Round Tube Shield

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are high-performance protective components engineered to safeguard boiler tubes, heat exchanger coils, and superheaters from erosion, thermal fatigue, scaling, and corrosion. Widely used in thermal power plants, petrochemical units, and process heating systems, these shields offer reliable surface protection in extreme environments. Their half-round design allows quick installation over both curved and straight tube sections, extending tube life and minimizing maintenance requirements. Cr25Ni20 U Type Inner Half Round Tube Shield The Cr25Ni20 U Type Inner Half Round Tube Shield is made from a high-alloy chromium-nickel austenitic stainless steel that offers outstanding resistance to oxidation, carburization, and high-temperature corrosion. This alloy is well suited for environments involving thermal cycling and chemically aggressive gases. The inner U-type configuration is specifically designed to protect the inside curvature of U-bend tubes—where gas turbulence, thermal stress, and slag accumulation can lead to premature wear and damage. • Inner U Type Half Round Tube Shield – Designed to guard the inner arc of U-bend tubes against erosion, scaling, and oxidation under high thermal loads and gas flow impact. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of Cr25Ni20 U Type Inner Half Round Tube Shields, delivering precision-engineered solutions for demanding heat and corrosion environments. Chemical Composition of Cr25Ni20 – High Chromium-Nickel Austenitic Alloy • Carbon (C): ≤ 0.20% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.50% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Ideal for high-temperature applications involving oxidizing, carburizing, or sulfidizing gases, where mechanical and chemical durability is critical. Uses • Shields inner arcs of U-bend tubes in boilers and superheaters exposed to oxidizing combustion gases • Protects return bends in waste heat recovery boilers (WHRBs) and heat recovery steam generators (HRSGs) • Applied in curved tubes in reformers, incinerators, and heat exchangers operating above 900°C • Used in chemical and petrochemical systems with chloride- or sulfur-laden atmospheres • Suitable for tube protection in high-temperature furnaces and metallurgical processes Features • Excellent high-temperature oxidation resistance – Performs reliably at sustained service temperatures up to 1150°C • Inner arc protection – Focused shielding of the bend area most affected by thermal cycling and gas turbulence • Corrosion and scaling resistance – Maintains integrity in aggressive chemical and flue gas environments • Precision engineering – Custom-manufactured to match specific tube diameter and bend geometry • Easy to install – Compatible with clamp-on, tack welding, or stainless steel banding • Durable and long-lasting – Reduces frequency of tube failures and downtime in critical systems Applications • power generation – Used in superheater U-bends where inner arcs are exposed to extreme thermal loads • petrochemical and fertilizer plants – Shields inner return bends in steam reformers and reactors • waste heat recovery – Installed in WHRBs and HRSGs to prevent scaling and oxidation on inner bend surfaces • chemical process industry – Protects U-bend tubes from acid vapors, hot gases, and corrosion • metallurgical industry – Ideal for inner arc protection in high-temperature treatment furnaces Conclusion The Cr25Ni20 U Type Inner Half Round Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – offers robust protection for U-bend tubes operating in high-temperature and corrosive environments. Its exceptional resistance to oxidation and thermal damage makes it ideal for critical industrial systems requiring long-lasting performance and reliability. For detailed specifications, custom fabrication, 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 316 U Type Half Round Tube Shield The SS 316 U Type Half Round Tube Shield is specifically designed to protect U-bend sections in superheaters, reheaters, and heat exchanger coils. Manufactured from SS 316, a molybdenum-bearing austenitic stainless steel, it offers enhanced resistance to pitting, crevice corrosion, and chloride-induced attack. The U-type design ensures precise coverage over tube bends, where erosion and heat damage are most intense. Both inner and outer U configurations are available for comprehensive protection. • Outer U Type Half Round Tube Shield – Protects the outer curvature of the U-bend from flame impingement, slag buildup, and high-velocity gas erosion. • Inner U Type Half Round Tube Shield – Shields the inner arc of the bend against turbulence-induced wear, localized corrosion, and scaling. Ladhani Metal Corporation is a trusted manufacturer and exporter of SS 316 U Type Half Round Tube Shields, delivering high-performance solutions for industries requiring superior corrosion resistance and heat tolerance. 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: Best suited for environments with exposure to chlorides, steam, and acidic gases, where resistance to corrosion and heat is critical. Uses • Protection of U-bend tubes in high-temperature boiler coil sections • Shielding tube bends in chemical heat exchangers and steam reformers • Coverage for WHRB tube bends exposed to abrasive flue gas streams • Safeguarding curved tubes in condensers, superheaters, and evaporators • Ideal for corrosive and chloride-laden environments in marine or coastal installations Features • Excellent corrosion resistance – Made from SS 316 with molybdenum, offering superior protection against pitting, crevice corrosion, and acidic gas exposure. • High-temperature performance – Performs reliably in high-heat environments, withstanding oxidation and thermal stress during prolonged operation. • Dual-side coverage – Available in both inner and outer U-type configurations for full protection of return bends in heat exchanger and boiler systems. • Precision fitment – Custom-fabricated to match tube radius and diameter for a tight, secure fit that prevents movement and surface exposure. • Easy to install – Designed for quick and secure mounting using clamps, tack welds, or banding without requiring system disassembly. • Custom dimensions – Available in a wide range of lengths, thicknesses, and tube radii to meet exact design and performance requirements. Applications • thermal power plants – Used on U-bend tubes in superheaters and reheaters to resist flue gas corrosion and scaling. Enhances service life and reduces downtime in high-temperature zones. • petrochemical plants – Shields tube bends in steam reformers and exchangers exposed to chlorides and process gases. Provides robust corrosion protection in aggressive chemical environments. • waste heat recovery systems (WHRBs) – Protects curved tubes in exhaust gas streams from slag erosion and thermal shock. Improves long-term durability under fluctuating temperatures and gas flow. • chemical and fertilizer industries – Installed on tube bends in reactors and ammonia reformers for corrosion and erosion resistance. Helps prevent pitting and degradation from acidic and chloride-containing media. • HRSGs and industrial boilers – Used in return bends to prevent surface scaling and heat-induced fatigue. Maintains structural integrity and energy efficiency in cyclic operating conditions. Conclusion The SS 316 U Type Half Round Tube Shield by Ladhani Metal Corporation offers a dependable solution for protecting U-bend tubes in corrosive and high-temperature environments. Its superior resistance to chlorides, acids, and oxidizing gases makes it ideal for petrochemical, power, and chemical industries. Designed for durability, precision fit, and ease of installation, these shields are fully customizable to your specific system requirements. 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 protective components designed to safeguard boiler and heat exchanger tubes from thermal fatigue, oxidation, and mechanical erosion. These shields improve system reliability and extend tube service life in harsh industrial environments. The half-round form enables simple installation and effective protection of exposed tube surfaces. SS 310 U Type Half Round Tube Shield The SS 310 U Type Half Round Tube Shield is a high-temperature protective sleeve designed to cover U-bend and straight sections of tubes in boilers, superheaters, and heat exchangers. Made from stainless steel grade 310, it offers outstanding resistance to oxidation, carburization, and thermal stress at elevated temperatures. The U-type design ensures complete protection of return bends, where tube degradation is most common. Available in both inner and outer U configurations, these shields are custom-bent to match tube radius and diameter. • Outer U Type Half Round Tube Shield – Protects the external arc of the U-bend from radiant heat, slag buildup, and erosion. • Inner U Type Half Round Tube Shield – Shields the internal curve of the bend from gas turbulence, scaling, and corrosion. Ladhani Metal Corporation is a leading manufacturer and exporter of SS 310 U Type Half Round Tube Shields, offering durable and tailored solutions for global heat transfer systems. Chemical Composition of SS 310 – High Temperature Austenitic Stainless Steel • Carbon (C): ≤ 0.25% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.50% • Chromium (Cr): 24.0 – 26.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Preferred in high-temperature operations where oxidation resistance, heat stability, and carburization resistance are essential. Uses • U-bend protection in superheater and reheater coils • Shielding curved tubes in furnace coils and process heat exchangers • Prevention of high-temperature erosion in WHRB and HRSG systems • Surface protection in reformers and chemical reactors • Safeguarding heat transfer tubes in incinerators and kilns Features • Made from high-quality SS 310, the shield offers superior resistance to oxidation, scaling, and high-temperature corrosion, making it suitable for continuous exposure up to 1100°C. • The inner and outer U-type configurations provide complete protection for both sides of curved tube bends, ensuring uniform shielding in the most erosion-prone areas. • Precision-formed to match the tube’s bend radius and diameter, ensuring a tight, vibration-free fit that enhances durability and minimizes tube wall exposure. • Retains mechanical strength and dimensional stability under cyclic thermal loading, preventing deformation, cracking, or failure in high-heat environments. • Offered in various finishes such as pickled, passivated, or bright annealed to suit different service conditions and enhance surface corrosion resistance. • Easily installed using welding, clamping, or banding methods without requiring tube removal, enabling quick field installation and minimal system downtime. • Fully customizable in terms of thickness, length, and radius, allowing seamless integration with existing boiler, furnace, or heat exchanger systems. Applications • thermal power plants – Protects U-bend coils in superheaters and reheaters. Resists scale formation and creep at high flue gas temperatures. • petrochemical refineries – Shields curved exchanger tubes in reformers and heaters. Maintains integrity under carburizing and oxidizing atmospheres. • waste heat recovery systems (WHRBs) – Guards return bends against ash and slag attack. Enhances tube durability in high-flow, abrasive environments. • chemical and fertilizer plants – Used in U-tube reactors and ammonia converters. Prevents corrosion and surface damage under cyclic thermal loads. • HRSGs and boilers – Applied to curved tube sections in heat recovery units. Ensures stability under rapid heating and cooling cycles. Conclusion The SS 310 U Type Half Round Tube Shield by Ladhani Metal Corporation offers superior protection for curved tube sections operating in high-temperature and corrosive service conditions. Its exceptional resistance to oxidation and carburization makes it ideal for thermal, chemical, and energy-intensive industries. Manufactured with precision, these shields are available in custom sizes and finishes, ensuring a tight fit and long-term durability. For reliable and cost-effective tube protection, Ladhani Metal Corporation provides trusted solutions tailored to your operational demands. For design assistance, material selection, or quotation inquiries, please contact Ladhani Metal Corporation.

Send Message

Still searching for
thermal fatigue makes?