What is a Half Round Tube Shield? A Half Round Tube Shield is a specially designed metal cover that fits over the external curvature of tubes or pipes. It is commonly used in boilers, heat exchangers, and various high-temperature piping systems to prevent damage caused by erosion, corrosion, high-velocity gas flow, and thermal fatigue. These shields serve as a first line of defense by absorbing mechanical and chemical wear, thereby significantly extending the life of the underlying tubes. Tube shields are essential in high-stress areas where exposure to combustion gases, ash particles, or high-velocity steam can quickly degrade unprotected surfaces. By preventing direct impact on the base metal, they help reduce operational downtime, lower maintenance costs, and prevent unexpected system failures. In boiler systems, tube shields are especially important to avoid tube thinning and ruptures, ensuring safer and more efficient operation. Product Overview At Ladhani Metal Corporation, we manufacture and supply premium-quality Half Round Tube Shields for a wide range of industrial applications. Our products are known for their dimensional accuracy, durability, and superior resistance to wear and corrosion. Designed for harsh operating environments, our tube shields can be customized in terms of thickness, radius, length, and grade to suit specific operating requirements. Whether you require protection for straight tubes, bends, or special boiler tube configurations, we have a solution tailored for you. Available Grades We manufacture Half Round Tube Shields using high-performance stainless steel and alloy steel grades that are selected based on their mechanical strength, temperature tolerance, and corrosion resistance. Stainless Steel Grades: • SS 304, SS 304L • SS 316, SS 316L • SS 310, SS 310S • SS 410, SS 420, SS 430 Heat-Resistant & Alloy Steel Grades: • 1Cr18Ni9Ti • Cr25Ni20 • 1Cr25Ni20Si2 • Cr23Ni13 • 1Cr20Ni14Si2 • 1Cr13 These materials ensure the shields can withstand aggressive media, thermal cycling, and high-velocity particulate flow without cracking or deforming over time. Types of Half Round Tube Shields We offer various forms of Half Round Tube Shields to match different tube geometries and boiler configurations: • U-Type Half Round Tube Shield Designed to cover both the top and sides of the tube, offering extended protection in U-bend areas where wear is most common. • U-Type Outer Half Round Tube Shield Specifically shaped to shield the outer curvature of U-bend tubes, ideal for areas exposed to direct flame or gas flow. • U-Type Inner Half Round Tube Shield Fits the inner curvature of U-bend tubes to protect against erosion caused by high-velocity media turning around the bend. • Half Round Tube Shield for LTSH Type Custom-made to fit tubes in Low Temperature Super Heater (LTSH) sections, providing protection from ash and flue gases. • Half Round Straight Tube Shield Standard half-round shields used for straight tube sections, offering easy installation and effective protection. • Half Round Tube Shield for R/H Tube Designed for Reheater (R/H) tubes, typically found in high-temperature zones; made from heat-resistant materials. • Half Round Shield for Tube A general-purpose shield suitable for various industrial tubes requiring surface protection. • Half Round Tube Shield for WW Screen Engineered to fit water wall screen tubes, protecting against slagging and high radiant heat. • Half Round Tube Shield for Boiler Tube Specifically designed for boiler applications, these shields reduce wear cau Each type is designed for easy integration into existing boiler or piping systems, whether for repair, reinforcement, or preventive maintenance. Key Features ✔ High Durability – Effectively resists erosion, mechanical abrasion, scaling, and chemical attack ✔ Accurate Half-Round Fit – Custom-formed to ensure close contact and full protection of tube surface ✔ Weld-On or Clip-On Installation – Offers flexibility based on site requirements and installation methods ✔ Custom Sizes Available – Tailored to meet specific pipe diameters, wall thicknesses, and operating conditions ✔ Corrosion & Heat Resistance – Performs reliably under prolonged exposure to high temperatures and corrosive flue gases Conclusion Half Round Tube Shields by Ladhani Metal Corporation provide robust protection for critical tubing in boilers, heat exchangers, and high-temperature piping systems. Manufactured with a focus on performance, longevity, and ease of installation, these shields are a dependable solution for industrial operators aiming to enhance system reliability and reduce unplanned maintenance. 📩 Get in touch with us today for customized solutions, bulk order pricing, or technical consultations tailored to your specific industry requirements.

The DIN 2558 Inconel Flange PN 6 is a precision-engineered flange designed to perform under extreme conditions involving high temperatures, corrosive media, and mechanical stress. Manufactured according to DIN (Deutsches Institut für Normung) standards, these flanges are made from advanced Inconel alloys, known for their superior resistance to oxidation, corrosion, and thermal degradation. Types: Weld Neck Flange – Ideal for high-pressure and high-temperature systems; offers maximum strength and stability. Slip-On Flange – Easily fits over the pipe and is welded on both sides for secure, easy installation. Blind Flange – Closes off pipelines or pressure vessels with a leak-proof seal. Threaded Flange – Connects to pipes using threads, eliminating the need for welding. Socket Weld Flange – Best suited for small-bore, high-pressure systems with smooth fluid flow. Grades & Chemical Composition: Inconel 600 (UNS N06600): Nickel (Ni): ≥ 72.0% Chromium (Cr): 14.0 – 17.0% Iron (Fe): 6.0 – 10.0% Carbon (C): ≤ 0.15% Manganese (Mn): ≤ 1.0% Silicon (Si): ≤ 0.5% Key Features: Resistant to oxidation, carburization, and chloride-ion stress-corrosion cracking; ideal for heat exchangers and furnace components. Inconel 625 (UNS N06625): Nickel (Ni): ≥ 58.0% Chromium (Cr): 20.0 – 23.0% Molybdenum (Mo): 8.0 – 10.0% Niobium (Nb): 3.15 – 4.15% Iron (Fe): ≤ 5.0% Carbon (C): ≤ 0.10% Key Features: Excellent resistance to pitting, crevice corrosion, and chemical attacks; widely used in chemical processing and marine environments. Inconel 718 (UNS N07718): Nickel (Ni): 50.0 – 55.0% Chromium (Cr): 17.0 – 21.0% Iron (Fe): Balance Niobium + Tantalum (Nb + Ta): 4.75 – 5.50% Molybdenum (Mo): 2.80 – 3.30% Titanium (Ti): 0.65 – 1.15% Aluminum (Al): 0.20 – 0.80% Carbon (C): ≤ 0.08% Key Features: High strength, creep resistance, and corrosion resistance at elevated temperatures; excellent fatigue and stress rupture performance; commonly used in aerospace, turbines, and high-stress industrial components. PN 6 Rating: The PN 6 designation indicates a nominal pressure class of 6 bar (approximately 87 psi). These flanges are suited for medium-pressure systems where both corrosion resistance and mechanical integrity are critical. Features: High-Temperature Strength: Maintains mechanical integrity and structural stability even under extreme heat. Exceptional Corrosion Resistance: Resistant to acids, seawater, oxidation, and stress-corrosion cracking. Long-Term Durability: Engineered for long service life in harsh environments, minimizing maintenance and replacement needs. High Strength: Withstands high mechanical loads and thermal cycling without deformation or failure. • Industry Versatility: Ideal for use in offshore drilling, nuclear plants, aerospace systems, petrochemical equipment, and high-performance industrial piping. • Precision Manufacturing: Tight dimensional tolerances ensure secure, leak-proof connections and system efficiency. Ladhani Metal Corporation ensures every DIN 2558 Inconel Flange is produced using advanced techniques and thoroughly inspected for quality and compliance. Whether used in extreme heat, corrosive environments, or high-stress systems, these flanges deliver the reliability and performance needed to maintain operational excellence. #din2558 #din2558flanges #din2558inconelflanges #flanges #flangessupplier

DIN 2545 carbon steel flanges supplied by Ladhani Metal Corporation are designed for use in a variety of industrial applications requiring strength, durability, and resistance to corrosion under moderate temperatures and pressures. These flanges are made from high-quality carbon steel, offering excellent mechanical properties and weldability, making them suitable for both low- and high-pressure systems. With a pressure rating of PN 40, these flanges are built to withstand pressures up to 40 bar, ensuring secure and leak-free connections in demanding applications across different industries, including chemical processing, power generation, and construction. Types of DIN 2545 Carbon Steel Flanges: Flat Face Flanges (FF) – These flanges have a flat sealing surface and are primarily used in low-pressure applications where uniform distribution of sealing force is required. Raised Face Flanges (RF) – These flanges feature a raised surface around the bolt holes, providing enhanced sealing pressure, making them ideal for high-pressure applications. Ring-Type Joint (RTJ) Flanges – These flanges are designed with a groove to accommodate a metal sealing ring, providing a more secure seal for high-pressure systems or environments involving high temperatures. Grades and Chemical Composition: Carbon Steel A105 Chemical Composition: C: 0.35%, Mn: 0.60-0.90%, P: 0.035% max, S: 0.035% max, Si: 0.10-0.35%, Fe: balance A105 is the most commonly used grade of carbon steel for flanges, offering good strength and impact resistance. It is suitable for low to medium-pressure applications and is widely used in the manufacturing of flanges for piping systems, valves, and fittings. This grade is known for its versatility and ease of welding. Carbon Steel A350 LF2 Chemical Composition: C: 0.30%, Mn: 1.00-1.50%, P: 0.035% max, S: 0.035% max, Si: 0.10-0.35%, Fe: balance A350 LF2 is a low-temperature carbon steel grade designed for use in cryogenic and low-temperature applications. It offers good toughness and is resistant to brittle fracture in environments where temperatures are lower than standard carbon steel materials can withstand. A350 LF2 is commonly used in the oil, gas, and power generation industries. PN 40 Pressure Rating: The "PN" rating defines the flange's pressure capacity. PN 40 indicates that the flange is capable of handling pressures up to 40 bar, making it suitable for high-pressure systems in various industrial applications that require secure and durable connections. Applications: 1. Oil and Gas Industry: Pipelines and Transport Systems: Carbon steel flanges are commonly used in oil and gas pipelines to connect sections of pipe, valves, and other components. They provide a reliable seal and are capable of handling high pressures and extreme temperatures. Refineries and Petrochemical Plants: Carbon steel flanges are used in refining processes and in the transportation of crude oil and natural gas. They withstand the mechanical stresses and corrosion from various chemicals. Offshore Platforms: These flanges are used in offshore oil platforms where they handle high-pressure conditions in subsea pipelines and other critical infrastructure. 2. Chemical and Petrochemical Industry: Chemical Processing Equipment: Carbon steel flanges are used in reactors, heat exchangers, and distillation columns where the materials are exposed to high-pressure chemicals. They are preferred in systems that handle neutral or moderately corrosive chemicals. Pipelines for Chemical Transport: Used in chemical plants to transport fluids that are not highly corrosive, carbon steel flanges are durable and reliable in these settings. 3. Power Generation: Steam and Gas Turbines: Carbon steel flanges are widely used in power plants, especially in steam and gas turbines, where high pressure and temperatures are present. Cooling Systems: These flanges are found in cooling water systems, heat exchangers, and other systems where water or air is circulated to cool equipment. 4. Water Treatment Plants: Water Distribution Systems: Carbon steel flanges are commonly used to connect pipes in water distribution systems, especially in municipal water treatment and sewage treatment plants. Desalination Plants: These flanges are also employed in desalination plants, where seawater is converted into fresh water, due to their strength and ability to handle high-pressure environment. Conclusion: Ladhani Metal Corporation ensures the production of these carbon steel flanges meets the highest standards of quality and precision, ensuring long-term durability and reliable performance in even the most demanding applications. Each flange is manufactured according to strict specifications and undergoes thorough testing to guarantee safe and reliable operation in high-pressure environments. #din2545 #din2545flanges #din2545carbonsteelflanges #flanges #flangessupplier

DIN 2544 Monel flanges are flanges manufactured according to the DIN 2544 standard, specifically designed for use with Monel alloys. Monel is a high-performance nickel-copper alloy known for its outstanding corrosion resistance, particularly in seawater, acids, and alkaline environments. These flanges are widely used in industries such as marine, chemical processing, petrochemical, and other applications that require resistance to aggressive media and high temperatures. Key Features: Material: Monel alloys (typically Monel 400 and Monel K-500). Pressure Rating (PN 25): These flanges are rated for pressure class PN 25, meaning they can handle pressures up to 25 bar (2500 kPa). Corrosion Resistance: Monel alloys offer excellent resistance to corrosion in harsh environments such as seawater and acidic solutions, making them ideal for marine and chemical applications. Strength: Monel alloys exhibit high strength and toughness, retaining their mechanical properties even in elevated temperature environments. Temperature Resistance: Monel alloys maintain integrity and strength even in high-temperature conditions, making them suitable for demanding applications. Types of DIN 2544 Monel Flanges: Weld Neck Flange (WN): These flanges are ideal for high-pressure applications where a reliable, leak-proof connection is required. The neck is welded to the pipe to create a strong joint. Slip-On Flange (SO): These flanges are easy to install by slipping over the pipe, then welding both inside and outside for a secure connection. Blind Flange (BL): Used to seal the ends of pipes, vessels, or other openings, providing a leak-tight closure. Threaded Flange (TH): These flanges are screwed onto the pipe without welding, making them easier to install and remove when needed. Socket Weld Flange (SW): Designed for smaller pipe sizes, where the pipe is inserted into the socket and welded into place for a strong, secure joint. Grades of Monel: Monel 400: A nickel-copper alloy containing 63% nickel and 29% copper, Monel 400 offers excellent resistance to seawater and other corrosive environments. It is commonly used in marine and chemical processing applications. Monel K-500: This alloy is similar to Monel 400 but with added titanium and aluminum for improved strength and hardness. It is used in high-stress environments such as aerospace and marine applications. Pressure Rating (PN 25): PN 25 means the flange is rated to withstand pressures of up to 25 bar (2500 kPa), making it ideal for moderate to high-pressure applications. Summary: DIN 2544 Monel flanges are corrosion-resistant components made from Monel alloys, ideal for use in industries like marine, chemical processing, and petrochemical. Ladhani Metal Corporation offers a variety of Monel flanges, including weld neck, slip-on, blind, threaded, and socket weld types, rated for pressures up to PN 25. With a strong focus on quality and customer service, Ladhani Metal Corporation provides high-performance solutions for industries worldwide.

DIN 2544 Inconel flanges are flanges manufactured according to the DIN 2544 standard, specifically designed for use with Inconel alloys. Inconel is a family of high-performance nickel-chromium-based superalloys that are known for their exceptional strength and resistance to high temperatures and corrosion. These flanges are primarily used in industries that involve extreme conditions such as aerospace, chemical processing, and high-temperature applications. Ladhani Metal Corporation is a prominent supplier and distributor of high-quality industrial products, including DIN 2544 Inconel flanges. The company specializes in offering a wide range of flanges, fittings, and pipes made from high-performance materials such as Inconel, duplex stainless steel, and other super alloys. Key Features: Material: Inconel alloys (typically Inconel 600, 625, or 718). Pressure Rating (PN 25): These flanges are rated for pressure class PN 25, meaning they can handle pressures up to 25 bar (2500 kPa). High Temperature Resistance: Inconel alloys are well-suited for high-temperature environments, maintaining strength and stability even at temperatures above 1000°C (1832°F). Corrosion Resistance: Inconel offers superior resistance to oxidation, corrosion, and carburization, particularly in high-temperature environments, making them ideal for harsh industrial conditions. Strength: Known for excellent mechanical properties, Inconel alloys retain high tensile and creep-rupture strength even under extreme temperatures. Types of DIN 2544 Inconel Flanges: Weld Neck Flange (WN): Used for high-pressure and high-temperature applications, where a strong, leak-proof joint is essential. Slip-On Flange (SO): Easy to install, these flanges slide over the pipe and are welded both inside and outside. Blind Flange (BL): Used to seal the ends of pipes, vessels, or openings. Threaded Flange (TH): These are screwed onto the pipe without welding, making them easier to remove. Socket Weld Flange (SW): Designed for smaller pipe sizes, where the pipe is inserted into the socket and welded in place. Grades of Inconel: Inconel 600: Contains 72% nickel, 14-17% chromium, and 6-10% iron. It offers excellent resistance to oxidation and carburization at high temperatures, making it ideal for applications in furnace components, heat exchangers, and chemical processing. Inconel 625: A nickel-chromium alloy with added molybdenum and niobium for increased strength and corrosion resistance in marine and chemical environments. It is highly resistant to both oxidation and carburization. Inconel 718: A precipitation-hardenable superalloy with high yield, tensile, and creep-rupture properties at temperatures up to 700°C (1292°F). It is widely used in aerospace, gas turbines, and high-performance engines. Pressure Rating (PN 25): PN 25 means the flange is rated for pressure up to 25 bar (2500 kPa), making it suitable for moderate to high-pressure applications. Summary: DIN 2544 Inconel flanges are robust, high-performance components made from Inconel alloys, designed for use in extremely high-temperature and corrosive environments. They come in various types, These flanges offer excellent resistance to oxidation, corrosion, and high temperatures, making them ideal for demanding applications in aerospace, chemical processing, and high-temperature industries. PN 25 flanges are rated for pressures up to 25 bar.

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 2544 is a standard used in Germany for the design, dimensions, and testing of stainless steel flanges. These flanges are used to connect pipes, valves, pumps, and other equipment to form a piping system. The DIN 2544 standard applies to welded flanges, specifically for high-pressure and temperature applications. Key Features of DIN 2544 Stainless Steel Flanges: Material: The flanges are primarily made from stainless steel, known for its high corrosion resistance, durability, and resistance to high temperatures. This makes them ideal for use in chemical, petrochemical, power generation, and food industries. Function: These flanges provide strong mechanical connections for piping systems. They allow easy disconnection for maintenance and cleaning. Pressure Rating: The pressure class of DIN 2544 flanges is typically PN 25 (pressure nominal 25 bar), meaning they are rated for a maximum working pressure of 25 bar (about 362 psi) at specific temperature conditions. Design: The flanges are designed to withstand high pressure, typically with a thicker body and reinforced sections. They feature a bolt circle diameter that fits the corresponding flange, allowing secure bolted connections. Face Type: Most DIN 2544 flanges come with a flat face, though raised face designs may also be available. Types of DIN 2544 Stainless Steel Flanges: Weld Neck Flanges: These are the most common type, where the flange is welded to the pipe. The neck is long, which makes the connection strong and able to handle high pressure. Slip-On Flanges: These flanges slide over the pipe and are then welded in place. They are commonly used in systems with lower pressure ratings. Blind Flanges: Used to seal the ends of piping systems, they do not have a hole in the center. They are typically used for maintenance and isolation purposes. Threaded Flanges: These flanges have threads on the inner surface, allowing them to be screwed directly onto a threaded pipe. They are used where welding is not possible. Socket Weld Flanges: These flanges have a socket in which the pipe is inserted and then welded in place. They are used in small-diameter piping systems. DIN 2544 Stainless Steel Flanges grades : Grade 304 (1.4301): Composition: 18% Cr, 8% Ni. Properties: Excellent corrosion resistance, good strength, easy to weld, and temperature resistance up to 870°C. Grade 316 (1.4401): Composition: 16-18% Cr, 10-14% Ni, 2-3% Mo. Properties: Superior corrosion resistance, especially against chlorides, and temperature resistance up to 870°C. Grade 321 (1.4541): Composition: 17-19% Cr, 9-12% Ni, Ti (Titanium stabilizer). Properties: Excellent resistance to high temperatures (up to 870°C) and intergranular corrosion, especially in welds. Pressure Rating (PN 25): PN 25 refers to the nominal pressure rating of the flange, which indicates that the flange can handle a maximum pressure of 25 bar (362 psi) at ambient temperature conditions. This pressure class is ideal for medium to high-pressure applications, typically used in systems such as: Steam pipelines Water treatment facilities Petrochemical industries Summary: DIN 2544 stainless steel flanges are reliable components in high-pressure systems.They are essential in industries requiring secure and durable piping systems. #din2544 #din2544ssflanges #ssflanges #stainlesssteelflanges

DIN 2543 Super Duplex Flanges refer to flanges made from Super Duplex Stainless Steel, which combines both austenitic and ferritic microstructures. Super duplex stainless steel grades, such as Grade 2507, offer superior strength and exceptional corrosion resistance compared to standard duplex or austenitic stainless steels. These flanges are used in environments where high strength and resistance to aggressive corrosion are required. Key Features of DIN 2543 Super Duplex Flanges: Corrosion Resistance: Super Duplex Stainless Steel (Grade 2507) offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Strength: Super duplex steels have higher strength than both standard duplex and austenitic steels. This makes them suitable for high-pressure systems where both strength and resistance to corrosion are critical. Durability: These flanges are designed to withstand harsh environments and extreme conditions, ensuring long-term durability and reliability. Weldability: While super duplex materials are highly weldable, the welding process must be carefully controlled to avoid issues like sensitization and the formation of brittle phases. Types of Super Duplex Flanges (DIN 2543): Weld Neck Flanges (WN): These have a tapered neck and are welded to the pipe. They provide strength and are ideal for high-pressure applications. Slip-On Flanges (SO): These flanges slip over the pipe and are welded both inside and outside. They are easy to install and are used for general-purpose applications. Blind Flanges (BL): Used to close off the end of a pipeline or system, preventing fluid flow. They do not have a central hole. Socket Weld Flanges (SW): These flanges feature a socket into which the pipe is inserted and then welded. Used for smaller bore systems where high pressure is involved. Lap Joint Flanges (LJ): These flanges are used with a lap joint stub end. They allow for easy alignment and disassembly, often used in systems that need frequent maintenance. Common Super Duplex Stainless Steel Grades for DIN 2543 Flanges: Grade 2507 (Super Duplex Stainless Steel): Composition: Contains 25% chromium, 7% nickel, and 4% molybdenum. Properties: Superior corrosion resistance, particularly in highly aggressive environments like seawater, sulfuric acid, and other chloride-rich conditions. Also offers high strength and excellent resistance to pitting and stress corrosion cracking. Grade 2906 (Super Duplex Stainless Steel): Composition: Contains 29% chromium, 6% nickel, and 3% molybdenum. Properties: Offers even higher resistance to corrosion and better strength compared to Grade 2507, making it suitable for more extreme environments. Pressure Rating (PN16): PN16 refers to the flange's pressure rating of 16 bar (approximately 232 psi) at 20°C (68°F). Applications: Super duplex flanges rated PN16 are suitable for medium-pressure systems in environments like offshore oil rigs, chemical refineries, seawater systems, and other industries that require both high strength and exceptional corrosion resistance. Conclusion: DIN 2543 Super Duplex flanges are designed for high-performance applications where both corrosion resistance and strength are essential. #flanges #din2543

DIN 2543 flanges are designed to meet the DIN (Deutsches Institut für Normung) standard, and duplex flanges refer to flanges made from duplex stainless steel alloys. Duplex stainless steel is a hybrid material, combining both austenitic and ferritic microstructures. This gives duplex steels a unique combination of strength and corrosion resistance that is superior to regular stainless steel. Material: Typically made from Duplex Stainless Steel grades such as 2205 or 2507. Pressure Rating (PN16): Rated for 16 bar (approx. 232 psi) at 20°C (68°F), making them suitable for medium-pressure applications. Key Features of DIN 2543 Duplex Flanges: Corrosion Resistance: Duplex stainless steel offers superior resistance to corrosion in aggressive environments, such as in chloride, sulfuric acid, and seawater. This makes it ideal for marine, chemical, and industrial environments. Strength: Duplex steels combine the strength of ferritic steel with the corrosion resistance of austenitic steel, offering higher strength than regular stainless steel while maintaining good toughness. Durability: Excellent resistance to pitting and crevice corrosion, ensuring long-term durability in harsh conditions. Weldability: While duplex flanges are weldable, the welding process must be carefully controlled to prevent issues like sensitization or intermetallic phases. Types of Duplex Flanges (DIN 2543): Weld Neck Flanges (WN): These flanges have a tapered neck for welding directly to pipes, providing extra strength and durability in high-pressure applications. Slip-On Flanges (SO): These are easy to install and are placed over the pipe, then welded inside and outside. Blind Flanges (BL): Used to close the end of a pipe or system, preventing fluid flow. Socket Weld Flanges (SW): These flanges have a socket into which the pipe is inserted and then welded, commonly used for small-bore systems. Lap Joint Flanges (LJ): These are paired with a lap joint stub end and allow for easy alignment and disassembly. Common Duplex Stainless Steel Grades for Flanges: Grade 2205: Composition: Contains approximately 22% chromium, 5% nickel, and 3% molybdenum. Properties: Excellent corrosion resistance, especially to pitting and crevice corrosion. High strength and good weldability. Applications: Used in chemical, petrochemical, and marine applications. Grade 2507 (Super Duplex): Composition: Contains 25% chromium, 7% nickel, and 4% molybdenum. Properties: Superior corrosion resistance and strength compared to 2205. Ideal for extremely aggressive environments. Applications: Used in seawater, desalination plants, and high-pressure industrial applications. Pressure Rating (PN16): PN16 refers to the pressure rating of 16 bar (or approximately 232 psi) at 20°C (68°F). Applications: Duplex flanges with a PN16 rating are suitable for medium-pressure systems in industries such as chemical processing, oil & gas, water treatment, and marine environments. Conclusion: DIN 2543 Duplex flanges are a reliable solution for medium-pressure applications (PN16) requiring high strength and exceptional resistance to corrosion.