DIN 2627 Duplex Steel flanges PN 400 are high-integrity blind flanges engineered for ultra-high-pressure systems where enhanced corrosion resistance, mechanical strength, and stress corrosion cracking resistance are crucial. These flanges are manufactured in compliance with the DIN 2627 standard and are used to seal the ends of piping systems operating under extreme conditions involving high pressure, temperature fluctuations, and aggressive media such as chlorides or acidic compounds. The PN 400 rating (400 bar / 5800 psi) ensures these flanges are suitable for the most demanding environments. Made from Duplex and Super Duplex stainless steels—such as Duplex 2205 (UNS S31803/S32205) and Super Duplex 2507 (UNS S32750)—they offer a unique combination of austenitic and ferritic microstructures, providing exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Pressure Rating: • PN 400 (400 bar / 5800 psi): Designed for use in high-pressure systems where superior strength and corrosion resistance are required. Flange Type: • Blind Flanges Flat, solid flanges without a bore, used to seal off pipeline ends or nozzles for isolation, pressure testing, or future expansion. • Flat Face (FF) Flanges Feature a flat sealing surface suitable for use with full-face gaskets and flat-faced mating components to ensure uniform sealing under high-pressure conditions. Duplex Steel Grades and Composition: Duplex 2205 (UNS S31803 / S32205) • Chromium (Cr): 21 – 23% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.08 – 0.2% • Iron (Fe): Balance Applications: High strength and excellent resistance to chloride-induced stress corrosion and pitting. Commonly used in chemical tanks, pipelines, and pressure vessels. Applications of DIN 2627 Duplex Steel Flanges PN 400: • Offshore and Subsea Oil & Gas Installations Withstand high pressure, chloride-rich environments, and dynamic loading in risers, manifolds, and subsea pipelines. • Desalination Plants and Seawater Systems Exceptional resistance to chloride-induced corrosion makes them ideal for seawater intake and brine discharge lines. • Chemical and Petrochemical Plants Used in corrosive process lines involving acids, solvents, and high-temperature hydrocarbons. • Pulp and Paper Industry Ideal for chemical recovery systems and chlorine dioxide bleaching where both corrosion and strength are essential. • Heat Exchangers and Pressure Vessels High strength and thermal fatigue resistance under cyclic temperature and pressure changes. • Power Generation and Nuclear Systems Effective in high-pressure steam and cooling systems where corrosion resistance and mechanical integrity are mandatory. Key Features: • Compliant with DIN 2627 specifications • PN 400 pressure rating for ultra-high-pressure applications • Blind flange configuration ensures secure system isolation • Flat face design supports full-face gasket usage for optimal sealing • Available in Duplex 2205 and Super Duplex 2507 • Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking • High mechanical strength with good weldability and fatigue resistance • Used across offshore, petrochemical, desalination, and energy sectors • Custom dimensions, materials, and finishes available upon request Conclusion: DIN 2627 Duplex Steel Flanges PN 400 from Ladhani Metal Corporation deliver unmatched reliability and performance in the harshest operating conditions. Whether used in high-pressure offshore pipelines or corrosive chemical systems, these flanges offer long-term sealing, structural integrity, and corrosion resistance. Reach out to Ladhani Metal Corporation for technical assistance, material selection, or customized Duplex flange solutions tailored to your operational demands.

DIN 2627 stainless steel flanges PN 400 are precision-engineered blind flanges manufactured according to the DIN 2627 standard. Designed to withstand ultra-high-pressure conditions up to 400 bar (5800 psi), these flanges are used to terminate or isolate piping systems safely and effectively. Fabricated from high-grade stainless steels, including 304, 316, and 321, these blind flanges provide superior mechanical strength, corrosion resistance, and long service life in aggressive industrial environments. Ladhani Metal Corporation is a globally recognized manufacturer and exporter of stainless steel flanges. Our DIN 2627 PN 400 blind flanges are widely trusted in sectors such as oil and gas, chemical processing, marine, energy, and high-pressure utility systems for their durability, quality, and performance under extreme conditions. Pressure Rating: • PN 400 (400 bar / 5800 psi): Suitable for high-pressure pipelines and critical systems where absolute sealing and structural integrity are required. Flange Type: • Blind Flanges Solid, non-bored flanges used to block pipeline ends or vessel nozzles. These flanges are essential for system isolation during maintenance, testing, or future expansions. • Flat Face (FF) Flanges Flat face flanges are designed to mate with flat gaskets and flat-faced components. They provide even gasket compression and are ideal when used with cast iron or brittle materials to avoid flange distortion. Stainless Steel Grades and Full Composition: Stainless Steel 304 • Chromium (Cr): 18.0 – 20.0% • Nickel (Ni): 8.0 – 10.5% • Carbon (C): ≤ 0.08% (304), ≤ 0.03% (304L) • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.03% • Iron (Fe): Balance Applications: Excellent general corrosion resistance. Commonly used in food processing, water systems, and chemical equipment. Stainless Steel 316 • Chromium (Cr): 16.0 – 18.0% • Nickel (Ni): 10.0 – 14.0% • Molybdenum (Mo): 2.0 – 3.0% • Carbon (C): ≤ 0.08% (316), ≤ 0.03% (316L) • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.03% • Iron (Fe): Balance Applications: Enhanced resistance to chlorides and acidic environments. Ideal for marine, pharmaceutical, and chemical processing. Stainless Steel 321 • Chromium (Cr): 17.0 – 19.0% • Nickel (Ni): 9.0 – 12.0% • Titanium (Ti): ≥ 5 × C (typically 0.20 – 0.70%) • Carbon (C): ≤ 0.08% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.03% • Iron (Fe): Balance Applications: 321 stainless steel is stabilized with titanium, providing excellent resistance to intergranular corrosion after welding and high-temperature exposure. Commonly used in thermal processing, aerospace, and exhaust systems. Applications of DIN 2627 Stainless Steel Flanges PN 400: • Oil and Gas Industry Used in upstream and downstream systems, where high pressure and harsh chemicals are common. • Chemical and Petrochemical Plants Ideal for isolating high-pressure lines carrying corrosive or reactive chemicals. • Marine and Offshore Engineering Suitable for saltwater-exposed piping, ballast systems, and underwater applications requiring corrosion resistance. • Power Generation Applied in steam, nuclear, and thermal plants for sealing pressurized piping and vessel systems. • Aerospace and High-Temperature Systems 321-grade blind flanges are used in systems exposed to elevated temperatures and thermal cycling. • Water Treatment and Desalination Withstands chloride-induced corrosion in high-pressure brine and filtration lines. Key Features: • Manufactured to DIN 2627 specifications • PN 400 pressure rating for extreme pressure performance • Blind flange design ideal for system isolation and termination • Available in stainless steel grades 304, 304L, 316, 316L, and 321 • Flat face type for even gasket compression and sealing integrity • Superior corrosion resistance and mechanical strength • Suitable for aggressive chemical, marine, and high-temperature environments • Custom sizes, surface finishes, and pressure classes available upon request Conclusion: DIN 2627 Stainless Steel Flanges PN 400 by Ladhani Metal Corporation are designed for maximum performance in high-pressure, corrosive, and high-temperature environments. With material options including 304, 316, and titanium-stabilized 321 stainless steel, these blind flanges offer flexibility, reliability, and long-term service life across critical industries. Contact Ladhani Metal Corporation today for technical assistance, specifications, or custom flange solutions.

DIN 2544 is a German standard for flanges used in piping systems, detailing dimensions, design, and testing methods. Titanium flanges conforming to this standard are designed for use in high-performance environments that demand excellent strength, corrosion resistance, and low weight. Titanium is known for its excellent corrosion resistance, particularly in environments like seawater, chemical processing, and heat exchangers. DIN 2544 titanium flanges are specifically built to withstand aggressive conditions, including high temperatures and corrosive environments, while offering a lightweight alternative to other materials like stainless steel. Key Features of DIN 2544 Titanium Flanges: Material: Titanium flanges are made from titanium alloys, which are highly resistant to corrosion, oxidation, and erosion. Titanium is also known for its strength-to-weight ratio, being strong yet much lighter than many other metals, including stainless steel. Corrosion Resistance: Titanium flanges are ideal for systems exposed to harsh environments, such as saltwater, acids, and chlorides. They are widely used in marine, chemical, and offshore oil and gas applications. Temperature Resistance: Titanium flanges can operate in high-temperature environments, often up to 600°C (1,112°F) without degrading, depending on the specific titanium alloy used. Pressure Rating (PN 25): These flanges are typically rated for PN 25, meaning they can withstand pressures of up to 25 bar (approximately 362 psi) in a variety of applications. Types of DIN 2544 Titanium Flanges: Weld Neck Flanges: These flanges have a long neck that is welded to the pipe. They are ideal for high-pressure systems and applications requiring a strong, reliable connection. Slip-On Flanges: These flanges slide over the pipe and are then welded in place. They are generally used in systems where welding is easier, and the pressures are lower than those of weld neck flanges. Blind Flanges: Used to seal the ends of piping systems, these flanges have no hole in the center. They are often used for isolation and maintenance purposes. Threaded Flanges: These flanges have internal threads that match threaded pipes. They are convenient when welding is not practical or possible. Socket Weld Flanges: These flanges feature a socket where the pipe is inserted and welded into place. These are often used in smaller-diameter piping systems. Titanium Grades for Flanges: Grade 2 Titanium (Commercially Pure Titanium): Properties: Most commonly used grade, offering excellent corrosion resistance and formability. It has moderate strength and is used in a variety of industries like aerospace, chemical processing, and marine applications. Advantages: Excellent corrosion resistance in both seawater and chemical environments. Grade 5 Titanium (Ti-6Al-4V): Properties: An alloy with 6% aluminum and 4% vanadium, offering higher strength than grade 2 titanium, while still maintaining good corrosion resistance. Common in high-stress, high-temperature environments. Advantages: Used in aerospace, medical devices, and high-performance applications due to its superior strength and durability. Pressure Rating (PN 25): PN 25 indicates that the titanium flanges are rated to handle pressures of up to 25 bar (approximately 362 psi). This pressure class is suitable for medium to high-pressure applications, ensuring the flange can endure significant stress in various piping systems. #din2544 #din2544flanges #din2544titaniumflanges

DIN 2527 SS 321 Blind Flanges are specialized components used in industrial piping systems to close off the ends of pipes or equipment where no further connection is necessary. A blind flange is a solid, flat disc without a central bore, specifically designed to seal the open end of a pipe or a vessel. The DIN 2527 standard, developed by the German Institute for Standardization, defines the specifications for these flanges, ensuring that they meet high standards for dimensional accuracy, pressure tolerance, and mechanical strength. The SS 321 material, used for the production of these blind flanges, is an austenitic stainless steel known for its excellent resistance to high-temperature oxidation, corrosion, and scaling. The addition of titanium to this steel stabilizes its structure, making it suitable for environments where temperatures fluctuate or are consistently high. As a result, SS 321 blind flanges are frequently used in industries where both strength and resistance to harsh environmental conditions are paramount, including the chemical, petrochemical, aerospace, and power generation industries. By utilizing DIN 2527 SS 321 Blind Flanges, companies can ensure secure, long-lasting, and efficient closures for piping systems under challenging operational conditions. These flanges are essential in maintaining the integrity of systems exposed to elevated pressures and corrosive substances, ensuring the safe containment of fluids and gases. key Features of DIN 2527 SS 321 Blind Flanges: Material Composition of SS 321: Carbon (C): ≤ 0.08% Chromium (Cr): 17.0 - 19.0% Nickel (Ni): 9.0 - 12.0% Titanium (Ti): 5 times the carbon content, generally around 0.60% minimum, to prevent carbide precipitation. Manganese (Mn): 2.00% max Silicon (Si): 1.00% max Phosphorus (P): 0.045% max Sulfur (S): 0.030% max Pressure and Temperature Resistance: Operating Temperature: SS 321 can perform well in high-temperature environments, up to 900°C (1650°F) intermittently and up to around 700°C (1292°F) for continuous service. Design and Dimensions of DIN 2527 Blind Flanges: Pressure Ratings: The design of a DIN 2527 blind flange is primarily based on pressure class ratings (such as PN6, PN10, PN16, etc.), which denote the maximum pressure the flange can safely withstand. Bolt Holes: The number and size of bolt holes for DIN 2527 blind flanges are specified according to the flange's pressure class and size. The bolt pattern is designed to ensure a tight seal and accommodate appropriate bolt sizes for a given pressure class. Thickness: The thickness of a blind flange can vary depending on the pressure rating and size, with thicker flanges being required for higher pressure applications. Nominal Diameter: Blind flanges are available in various nominal pipe diameters (DN) ranging from DN10 (1/2 inch) up to DN600 (24 inches) or more. Types of DIN 2527 SS 321 Blind Flanges: Standard Blind Flange (Type A): A solid, circular flange used to seal the end of a pipe or vessel. Common for general applications. Flat-Faced Blind Flange: Has a flat sealing surface, ideal for low-pressure systems and tight sealing. Raised Face Blind Flange: Features a raised surface around the center for better sealing in higher pressure systems. Ring-Type Joint (RTJ) Blind Flange: Has a groove for an RTJ gasket, designed for high-pressure applications, often used in the oil and gas industry. Long Weld Neck Blind Flange: Has an extended neck for welding, providing additional strength and used in high-pressure or stressed systems.

A DIN 2527 AISI 4140 blind flange is a specialized type of blind flange made from AISI 4140 alloy steel, adhering to the DIN 2527 German standard. Blind flanges are crucial components in piping systems, used to seal the end of a pipe, vessel, or valve to isolate it or stop the flow of fluids. The AISI 4140 material used for this specific flange is a high-strength alloy steel known for its robustness and excellent mechanical properties, making it ideal for high-stress applications. AISI 4140, a chromium-molybdenum alloy steel, is renowned for its excellent mechanical properties, including high tensile strength, hardness, and resistance to wear. It is often used in heavy-duty applications such as in the automotive, aerospace, and oil & gas industries, where the need for robust materials is crucial. The use of AISI 4140 steel in a DIN 2527 blind flange ensures that the flange can handle high pressures, temperatures, and mechanical stresses without compromising on performance or safety. Material: AISI 4140 Alloy Steel Composition: AISI 4140 is a medium-carbon steel alloy that contains chromium (Cr) and molybdenum (Mo) as its primary alloying elements. These elements improve the steel's hardness, strength, and wear resistance. Key Properties: Strength: High tensile strength and yield strength, making it capable of withstanding high loads and stress in high-pressure applications. Toughness: Offers excellent toughness and impact resistance, making it suitable for challenging environments where forces are dynamic. Hardness: Can be heat-treated to achieve high hardness levels, providing resistance to wear and abrasion. Corrosion Resistance: While AISI 4140 is not as corrosion-resistant as stainless steel, it can still perform well in less corrosive environments with proper surface treatment (e.g., coatings or galvanizing). Design and Dimensions (DIN 2527) Shape: The blind flange is a flat, circular plate with no central hole. Its purpose is to seal the end of a pipe or vessel, effectively "closing" the pipeline or system. Bolt Holes: The flange has evenly spaced bolt holes around the perimeter, allowing it to be bolted securely to the corresponding flange or fitting in the system. These holes align with the bolt pattern of other components. Thickness: The flange thickness varies depending on the size, pressure class, and specific application requirements. It is designed to withstand internal pressure while providing a reliable seal. Pressure Rating: Flanges are typically rated according to pressure classes such as PN 6, PN 10, PN 16, PN 25, etc., indicating the maximum pressure the flange can safely handle without failure. Applications Pipeline Sealing: The primary function of a blind flange is to seal the open end of a pipeline, preventing the passage of fluids, gases, or other materials through the system. System Isolation: Blind flanges are used to isolate a section of the system for maintenance or repairs, allowing for safe disconnection of parts while maintaining system integrity. Pressure Containment: AISI 4140 blind flanges are also used in applications where maintaining pressure within a system is critical. The high strength and durability of AISI 4140 make it suitable for use in high-pressure environments. Types of Blind Flanges in DIN 2527 Raised Face (RF): The flange surface has a small raised area around the bolt circle to improve sealing when mated with a gasket. Flat Face (FF): The flange surface is level with the flange body, typically used with softer gaskets to create a seal. Ring Type Joint (RTJ): The flange may feature a groove to accommodate a metal ring gasket for high-pressure applications, providing a secure, reliable seal.

When considering Duplex Stainless Steel for DIN 2527 Blind Flanges, the material offers unique advantages over traditional stainless steels, combining the benefits of both austenitic and ferritic microstructures. Duplex Stainless Steel typically contains a higher percentage of chromium, molybdenum, and nitrogen, which significantly enhances its properties, especially for highly demanding and corrosive environments. Material: Duplex Stainless Steel Superior Corrosion Resistance: Duplex stainless steels (e.g., 2205 or 2507) offer outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, which makes them highly suitable for industries exposed to aggressive environments, such as offshore oil and gas, chemical processing, and marine industries. Strength: Duplex stainless steels have higher tensile strength than standard austenitic steels (such as 304 or 316), allowing the flange to perform under higher mechanical stress and pressure. The material is typically twice as strong as conventional 304 and 316 stainless steels. Temperature Resistance: Duplex materials offer good performance in high-temperature environments, although not as high as some alloys specifically designed for extreme heat (e.g., Inconel). They perform well in moderate to high-temperature applications. Resistance to Chloride Stress Corrosion Cracking (SCC): Duplex steels are particularly resistant to chloride-induced stress corrosion cracking, which is one of the key benefits in applications exposed to chloride-rich environments, such as seawater. Common types of duplex stainless steel blind flanges include: 1.4462 (F51): Standard duplex steel, offering good corrosion resistance and strength, used in chemical, oil & gas, and marine industries. 1.4410 (F53): Super duplex steel, with higher strength and better corrosion resistance, used in offshore and high-pressure applications. 1.4539 (Alloy 20): Highly resistant to acid and chloride environments, used in chemical processing and power generation. Design and Dimensions Shape: Blind flanges in DIN 2527, regardless of the material (Stainless Steel 316 or Duplex), are flat, round plates without a central hole, used to close off the ends of pipes or pressure vessels. Bolt Holes: Like other blind flanges, duplex flanges come with bolt holes for bolting the flange to a mating flanged component. The bolt holes' number and size depend on the flange's diameter and the pressure class. Thickness: The thickness varies according to the pressure rating (e.g., PN 6, PN 10, PN 16, PN 25). Thicker flanges are designed for higher-pressure applications to maintain a secure and tight seal. Pressure Rating: Duplex stainless steel blind flanges are often used in high-pressure environments due to their strength. The specific pressure ratings depend on the material grade (e.g., Duplex 2205, Super Duplex 2507), but they generally exhibit higher pressure resistance than austenitic stainless steels like 316. Types of Blind Flanges in DIN 2527 (Duplex) Raised Face (RF): A raised face provides a contact area for the gasket, enhancing the sealing performance when paired with a gasket. Flat Face (FF): The face of the flange is level with the surface, which is suitable for softer gaskets that offer a tight seal without excessive pressure. Ring Type Joint (RTJ): For high-pressure applications, Duplex stainless steel blind flanges can feature a groove for a metallic gasket. This design ensures a tight seal under extreme conditions, often used in offshore and chemical plant environments. Benefits of Duplex Stainless Steel Blind Flanges Cost-Efficiency: While Duplex steels can be more expensive than austenitic grades, they offer a better cost-to-performance ratio due to their enhanced durability and strength, leading to longer service life and reduced maintenance costs. Improved Mechanical Properties: Duplex steels' unique composition offers a blend of high tensile strength and excellent corrosion resistance, making them perfect for demanding environments where other materials might not perform as well.

The Outer Half Round 90 Degree Bend Tube Shield is fabricated to precisely match the outer arc of 90° tube bends. Its semi-cylindrical form conforms tightly to the external curve, forming a protective barrier that resists abrasive flow and corrosive attack. These shields are typically used in superheaters, reheaters, waste heat recovery boilers (WHRBs), and HRSGs where return bends are most vulnerable. The shields are manufactured from corrosion-resistant stainless steels and heat-resistant alloys, selected based on temperature ratings and media conditions. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of Outer Half Round 90 Degree Bend Tube Shields, offering standard and custom-engineered designs for a wide variety of boiler and heat recovery applications. 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 more Typical Chemical Composition (example – SS 316) • 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: Used in curved tube regions where the external surface is subjected to thermal wear, ash abrasion, and corrosive gases. Uses • Protection of 90-degree U-bends in boiler and superheater tube banks • Return bend shielding in heat exchangers and WHRBs • Safeguarding curved tubes in process heaters, HRSGs, and refinery systems • Applied in thermal, petrochemical, and chemical plant steam systems • Suitable for power generation and heavy industrial boilers Features • Form-fitting design – Precisely matches outer curvature of U-bends for tight, secure installation • Heat and corrosion resistance – Manufactured from materials designed to withstand extreme thermal and chemical environments • Durable protection – Shields critical bend zones from fly ash erosion, soot-blowing wear, and gas impingement • Reduced maintenance – Prolongs tube life and minimizes unplanned outages due to bend failure • Custom-engineered – Fabricated based on user drawings, coil geometry, and tube specifications • Flexible installation – Can be clamped, welded, or banded with minimal disassembly Applications • steam power boilers – Protects outer bend regions from accelerated erosion and high-velocity flue gases • oil and gas refineries – Used in convection section return bends to enhance tube longevity • WHRB and HRSG installations – Shields bend areas exposed to intense ash loading • fertilizer and chemical processing – Ideal for curved coils in high-temperature, corrosive environments • industrial heaters – Ensures safety and long-term performance of curved tube bundles Conclusion The Outer Half Round 90 Degree Bend Tube Shield by Ladhani Metal Corporation – manufacturer, supplier, and exporter – delivers critical protection to return bends in thermal process systems. Designed for curved tube geometry, these shields reduce erosion risk, extend tube service life, and support the reliability of high-performance boilers, reformers, and heat recovery units. For custom sizing, material selection, or technical specifications, 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 #MetalComponent

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precision-formed protective sleeves designed to guard heat exchanger and boiler tubes from high-temperature corrosion, erosion, and mechanical wear. These shields are used extensively across thermal power, petrochemical, and process industries to improve tube longevity and reduce maintenance costs. Their half-round design allows easy installation without dismantling the tube system. SS 304L U Type Half Round Tube Shield The SS 304L U Type Half Round Tube Shield is designed to protect both straight and curved (U-bend) tube sections in heat exchangers, superheaters, and boilers. Made from low-carbon stainless steel 304L, this shield provides excellent corrosion resistance and is particularly suitable for applications where post-weld heat treatment is not feasible. Its U-shaped profile ensures secure coverage of return bends, which are often the most vulnerable to thermal stress and flue gas attack. This shield is available in both inner and outer configurations to ensure full tube coverage. This shield is available in two key configurations to provide complete protection around the bend radius: • Outer U Type Half Round Tube Shield – Covers the external curvature of U-bend tubes exposed to radiant heat, slag, and gas flow. • Inner U Type Half Round Tube Shield – Protects the internal arc of bends from turbulence, scaling, and localized heat buildup. Ladhani Metal Corporation is a trusted manufacturer and exporter of SS 304L U Type Half Round Tube Shields, delivering durable and customized protection solutions for global industrial applications. Chemical Composition of SS 304L – Austenitic Stainless Steel • Carbon (C): ≤ 0.035% • 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 high-temperature and corrosive environments where low carbon content is preferred to minimize carbide precipitation during welding. Uses • U-bend tube shielding in superheaters and heat exchangers • Return bend protection in boilers and WHRBs • Shielding of curved coils in steam reforming and process plants • Corrosion prevention in waste-to-energy and flue gas-exposed systems • Surface protection in ammonia plants, HRSGs, and incinerators Features • corrosion resistant – SS 304L offers excellent resistance to oxidation, scaling, and chemical attack in high-temperature environments • low carbon content – minimizes risk of carbide precipitation during welding, improving post-weld corrosion resistance • precise fit – custom-formed to match U-bend radius for secure installation and effective shielding • high durability – retains mechanical strength under thermal cycling and flue gas exposure • easy installation – designed for quick on-site mounting via clamping, welding, or banding • versatile finish – available in pickled, passivated, or bright annealed surface treatments • customizable – produced in various lengths, thicknesses, and diameters as per customer requirements Applications • Thermal power plants – Protects U-bend tubes in superheaters, reheaters, and economizers. Prevents oxidation, scaling, and thermal damage from flue gases. • Petrochemical refineries – Shields curved furnace and exchanger tubes. Resists heat, carburizing gases, and corrosive media. • Waste heat recovery systems (WHRBs) – Guards return bends from ash erosion and gas turbulence. Enhances tube life in incinerators, engines, and kilns. • Chemical and fertilizer plants – Used on U-bends in reactors and reformers. Prevents stress corrosion and thermal fatigue. • HRSGs and boilers – Installed on return coils exposed to high-temperature flue gases. Ensures reliable operation under cyclic heating conditions. Conclusion The SS 304L U Type Half Round Tube Shield by Ladhani Metal Corporation provides comprehensive and long-lasting protection for U-bend tube sections operating in aggressive thermal and corrosive environments. Manufactured with high-precision forming and superior materials, these shields offer reliable coverage, excellent weldability, and extended service life. As a leading manufacturer and exporter, Ladhani Metal Corporation offers customized shielding solutions that match your project’s specifications and environmental demands. For detailed specifications, technical support, or to request a quotation, please contact Ladhani Metal Corporation.

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.